List of arboretum trees, shrubs and vines for 2019

Plant List 2019
Location Year Planted Scientific Name Common Name Nativity Family
1-0 2008 Cephalanthus occidentalis buttonbush E N Am Rubiaceae
1-1 1974 Parthenocissus inserta thicket creeper C & E N Am Vitaceae
1-2 2017 Aristolochia macrophylla Dutchman's pipe E N Am Aristolochiaceae
1-3 2017 Lonicera ciliosa orange honeysuckle W N Am Caprifoliaceae
1-4 2013 Clematis virginiana virgin's bower E N Am Ranunculaceae
1-5 1966 Lonicera x brownii 'Dropmore Scarlet Trumpet' Dropmore scarlet trumpet honeysuckle cultivated origin Caprifoliaceae
1-6 1970 Clematis 'Prairie Traveler's Joy' Prairie Traveler's Joy clematis cultivated origin Ranunculaceae
1-7 1966 Vitis riparia riverbank grape C & E N Am Vitaceae
1-8 1970 Clematis 'Rosy O'Grady' Rosy O'Grady clematis cultivated origin Ranunculaceae
1-9 2008 Clematis alpina alpine clematis Eu Ranunculaceae
1-10  
1-11  
1-12 1966 Parthenocissus quinquefolia Virginia creeper E N Am Vitaceae
1-13 1979 Vitis riparia 'Oak Lake' Oak Lake frost grape cultivated origin Vitaceae
1-14 1972 Clematis serratifolia hermit gold clematis Korea Ranunculaceae
1-15 2017 Betula cordifolia mountain paper birch NE N Am Betulaceae
1-16 1988 Celtis occidentalis 'Vahe' Vahe hackberry cultivated origin Cannabaceae
1-17 2007 Salix discolor pussy willow N N Am Salicaceae
1-18 2018 Salix pelita satiny willow C & E N Am Salicaceae
1-19 2014 Salix pyrifolia balsam willow C & E N Am Salicaceae
1-20 2015 Sallix amygdaloides peachleaf willow N Am Salicaceae
1-21 2009 Salix purpurea, probably 'Nana' purple willow cultivated origin Salicaceae
1-22 1973 Viburnum trilobum 'Manito' Manito cranberry bush cultivated origin Adoxaceae
1-23 1988 Lonicera 'Freedom' Freedom honeysuckle cultivated origin Caprifoliaceae
1-24 2015 Betula occidentalis water birch W N Am Betulaceae
1-25 1968 Acer ginnala Amur maple E Asia Sapindaceae
1-26 1971 Lonicera involucrata twinberry honeysuckle N Am Caprifoliaceae
1-27 2010 Acer tataricum subsp. semenovii Turkestan maple C Asia Sapindaceae
1-28 2007 Acer tataricum subsp. semenovii Turkestan maple C Asia Sapindaceae
1-29 1971 Lonicera coerulea edulis 'Julia Bugnet' Julia Bugnet honeysuckle cultivated origin Caprifoliaceae
1-30 2015 Salix fragilis 'Bullata' Bullata crack willow cultivated origin Salicaceae
1-31 1971 Lonicera coerulea var. edulis 'George Bugnet' Georges Bugnet honeysuckle cultivated origin Caprifoliaceae
1-32 1968 Viburnum opulus 'Notcutts' Notcutts cranberry bush cultivated origin Adoxaceae
1-33 1970 Viburnum orientale oriental cranberry W Asia Adoxaceae
1-34 2007 Acer tataricum Tatarian maple Eu - W Asia Sapindaceae
1-35 2010 Salix discolor pussy willow C N Am Salicaceae
1-36 2014 Salix lutea yellow willow C & W N Am Salicaceae
1-37 2008 Fraxinus chinensis subsp. rhynchophylla bai la shu NE Asia Oleaceae
1-38 1971 Lonicera xylosteum 'Nana' dwarf European fly honeysuckle cultivated origin Caprifoliaceae
1-39 2017 Cornus sp. dogwood Cornaceae
1-40 2015 Sambucus racemosa European red elder Eu, N Am Adoxaceae
1-41 2008 Salix candida sageleaf willow C N Am Salicaceae
2-1 2016 Salix alba 'Sericea' silver willow cultivated origin Salicaceae
2-1.1 2018 Rubus strigosus American red raspberry N Am Rosaceae
2-2 1978 Fraxinus nigra 'Fallgold' Fallgold black ash cultivated origin Oleaceae
2-2.1 2017 Alnus serrulata hazel alder E N Am Betulaceae
2-3 2016 Ulmus parviflora Chinese elm or lacebark elm E Asia Ulmaceae
2-3.1 2019 Ulmus parviflora Chinese elm or lacebark elm E Asia Ulmaceae
2-3.1 2019 Malus sargentii Sargent crabapple Japan Rosaceae
2-4 1968 Fraxinus mandschurica Manchurian ash NE Asia Oleaceae
2-4.1 2018 Prunus serotina black cherry N Am, South Am Rosaceae
2-4.1 2019 Prunus serotina black cherry N Am, South Am Rosaceae
2-5 1966 Fraxinus pennsylvanica var. subintegerrima green ash E N Am Oleaceae
2-5.1 2018 Pterocarya stenoptera Chinese wingnut E Asia Juglandaceae
2-6 1967 Fraxinus pennsylvanica red ash E N Am Oleaceae
2-7 2019 Ulmus rubra slippery elm E N Am Ulmaceae
2-8 1968 Acer negundo (short internode) Manitoba maple C and E N Am Sapindaceae
2-8.1 2016 Carya cordiformis bitternut hickory E N Am Juglandaceae
2-9 2012 Tilia platyphyllos large-leaved linden Eu Malvaceae
2-9.1 2016 Acer nigrum black maple E N Am Sapindaceae
2-10 2012 Acer x freemanii Freeman maple cultivated origin Sapindaceae
2-10.1 2019 Picea rubens red spruce E N Am Pinaceae
2-11 1989 Fraxinus pennsylvanica 'Marshall's Seedless' Marshall's seedless green ash cultivated origin Oleaceae
2-11.1 2016 Picea mariana black spruce N N Am Pinaceae
2-12 1968 Ulmus americana 'Augustine' Augustine American elm cultivated origin Ulmaceae
2-12.1 2016 Gleditsia triacanthos honey locust E N Am Fabaceae
2-13 2008 Tilia americana basswood C & E N Am Malvaceae
2-14 1968 Ulmus americana #6010 American elm cultivated origin Ulmaceae
3-1 2012 Ilex verticillata winterberry E N Am Aqufoliaceae
3-2 1966 Amorpha fruticosa false indigo E N Am Fabaceae
3-3  
3-4 2006 Genista tinctoria dyer's greenweed Eu - Turkey Fabaceae
3-5 2011 Salix bebbiana Bebb willow N N Am Salicaceae
3-6 2014 Salix triandra 'Black Maul' Black Maul almond-leaved willow cultivated origin Salicaceae
3-7 2019 Viburnum edule low-bush cranberry N N Am Adoxaceae
3-8 2019 Prunus japonica Korean cherry China, Korea Rosaceae
3-9 2006 Euonymus nanus dwarf euonymus (small leaves) Eu – C Asia Celastraceae
3-10 1966 Euonymus nanus var. turkestanica dwarf Turkestan euonymus Eu – C Asia Celastraceae
3-11 1966 Euonymus nanus dwarf spindle tree Eu – C Asia Celastraceae
3-12  
3-13 1983 Cornus alba 'Aurea' golden dogwood cultivated origin Cornaceae
3-14 1966 Euonymus maackii Maack's euonymus E Asia Celastraceae
3-15 2008 Euonymus alatus winged euonymus E Asia Celastraceae
3-16 2008 Euonymus europaeus European euonymus Eu - W Asia Celastraceae
3-17 1972 Euonymus europaeus 'Aldenhamensis' spindletree cultivated origin Celastraceae
3-18 1973 Euonymus verrucosus wartybark euonymus C & E Asia Celastraceae
3-19 1966 Euonymus obovata running strawberry bush E N Am Celastraceae
3-20 2006 Corylus cornuta beaked hazel N N Am Betulaceae
3-21 2019 Acer ukurunduense Ukurundu maple NE Asia Sapindaceae
3-22 1966 Paxistima canbyi canby pachistima E USA Celastraceae
3-23 2007 Hydrangea paniculata panicled hydrangea NE Asia Hydrangeaceae
3-23 2019 Hydrangea paniculata panicled hydrangea NE Asia Hydrangeaceae
3-24 1990 Cornus alba 'Coral Beauty' Coral Beauty dogwood cultivated origin Cornaceae
3-25 1983 Cornus sericea 'Johnson' Johnson dogwood cultivated origin Cornaceae
3-26 1983 Cornus amomum subsp. obliqua pale dogwood E N Am Cornaceae
3-27 1983 Cornus sericea #7039 #7039 cultivated origin Cornaceae
3-28 1983 Cornus sericea #4046-81 #4046-81 cultivated origin Cornaceae
3-29 1983 Cornus amomum subsp. obliqua pale dogwood E N Am Cornaceae
3-30 1988 Cornus sericea 'Cardinal' Cardinal dogwood cultivated origin Cornaceae
3-31 2019 Sambucus cerulea blue elderberry W N Am Adoxaceae
3-32 2011 Alnus incana speckled alder N N Am Betulaceae
3-33 2011 Salix viminalis 'Alpha' common osier Eu - W Asia Salicaceae
3-34 1990 Cornus alba 'Aurea' Aurea dogwood cultivated origin Cornaceae
3-35 2019 Rosa sp. (canina?) rose Europe Rosaceae
3-36 1991 Cornus sericea 'Ruby' Ruby dogwood cultivated origin Cornaceae
3-37  
3-38 1999 Cornus #9019 cultivated origin Cornaceae
3-40 2015 Rhamnus cathartica common buckthorn (male) Eu - W Asia, N Afr Rhamnaceae
3-41 2009 Cornus amomum silky dogwood E N Am Cornaceae
3-42 2009 Cornus racemosa gray dogwood E N Am Cornaceae
3-43 2018 Viburnum cassinoides witherod viburnum E N Am Adoxaceae
3-44 2019 Amelanchier stolonifera (spicata) running serviceberry, low juneberry E N Am Rosaceae
3-45 2006 Euonymus bungeanus winterberry euonymus E Asia Celastraceae
3-46 2013 Cornus rugosa round-leaved dogwood E N Am Cornaceae
3-47 1972 Euonymus europaeus var. intermedius European spindle tree Eu - W Asia Celastraceae
3-48  
3-49 1972 Forsythia ovata 'Robusta' Robusta forsythia cultivated origin Oleaceae
3-50 1975 Lonicera korolkowii blue leafed honeysuckle C Asia Caprifoliaceae
3-51 1975 Lonicera vesicaria Korean honeysuckle Korea Caprifoliaceae
3-52 1979 Lonicera vesicaria Korean honeysuckle NE Asia Caprifoliaceae
3-53  
3-54 2015 Rhamnus davurica Dahurian buckthorn (male) NE Asia Rhamnaceae
3-55 2012 Lonicera oblongifolia swamp fly honeysuckle E N Am Caprifoliaceae
3-56 2012 Lonicera sp. (canadensis?) honeysuckle Caprifoliaceae
3-57 2014 Lonicera spinosa var. albertii thorn honeysuckle C Asia Caprifoliaceae
3-58 2007 Exochorda korolkowii Turkestan pearlbush C Asia Rosaceae
3-59 2006 Amelanchier sanguinea roundleaf serviceberry E N Am Rosaceae
3-60 2011 Lonicera caerulea var. villosa mountain fly honeysuckle N Am Caprifoliaceae
3-60 2013 Lonicera caerulea var. villosa mountain fly honeysuckle N Am Caprifoliaceae
3-61 2013 Ligustrum amurense Amur privet N China Oleaceae
3-62 2006 Amelanchier alnifolia Saskatoon serviceberry W N Am Rosaceae
3-63 2015 Amelanchier intermedia intermediate serviceberry E N Am Rosaceae
3-64  
3-65  
3-65.1  
3-66 1967 Viburnum burejaeticum Manchurian viburnum NE Asia Adoxaceae
3-67  
3-68 1968 Prinsepia sinensis cherry prinsepia NE Asia Rosaceae
4-1 1969 Tilia x flavescens 'Dropmore' Dropmore linden cultivated origin Malvaceae
4-1.1 2017 Euonymus atropurpureus eastern wahoo E N Am Celastraceae
4-1.1 2017 Euonymus atropurpureus eastern wahoo E N Am Celastraceae
4-2 1966 Tilia cordata small-leaved linden Eu Malvaceae
4-2.1 2018 Quercus glandulifera (serrata) Konara oak China, Taiwan, Korea, Japan Fagaceae
4-3 2009 Tilia amurensis Amur linden NE Asia Malvaceae
4-3.1 2018 Betula alleghaniensis yellow birch NE N Am Betulaceae
4-3.1 2019 Betula alleghaniensis yellow birch NE N Am Betulaceae
4-4 1968 Tilia mongolica Mongolian linden China Malvaceae
4-4.1 2017 Picea koyamae Koyama's spruce Japan Pinaceae
4-5 2015 Ulmus pumila Siberian elm C - NE Asia Ulmaceae
4-5.1 2017 Picea jezoensis Yezo spruce NE Asia Pinaceae
4-6 1991 Malus #8192 flowering crabapple cultivated origin Rosaceae
4-6.1 2017 Sambucus canadensis American elderberry E N Am Adoxaceae
4-7 2008 Quercus bicolor swamp white oak E N Am Fagaceae
4-8 1980 Ulmus davidiana var. japonica 'Thomson' Thomson Japanese elm cultivated origin Ulmaceae
4-8.1 2017 Euonymus sachalinensis Asian spindle tree NE Asia Celastraceae
4-9 1966 Ulmus americana American elm C & E N Am Ulmaceae
4-9.1 2017 Amelanchier laevis Allegheny servieberry E N Am Rosaceae
4-10 1966 Ulmus americana 'Exhibition Boulevard' Exhibition Boulevard American elm cultivated origin Ulmaceae
4-10.1 2017 Acer tegmentosum Manchurian striped maple NE Asia Sapindaceae
4-11 1967 Ulmus americana 'Morden' Morden American elm cultivated origin Ulmaceae
4-11.1 2017 Amelanchier canadensis Canadian or shadblow serviceberry E N Am Rosaceae
4-12 2009 Juglans nigra black walnut E N Am Juglandaceae
4-12.1 2017 Picea meyeri Meyer's spruce China Pinaceae
4-13 1967 Ulmus americana 'Skinner's Upright' Skinner's Upright American elm cultivated origin Ulmaceae
4-13.1 2016 Picea obovata Siberian spruce Russia, Mongolia Pinaceae
4-14 1974 Fraxinus americana white ash E N Am Oleaceae
5-1 2018 Clematis alpina subsp. siberica Siberian alpine clematis China, Mongolia, Japan, Russia, Europe Ranunculaceae
5-2 1967 Lonicera korolkowii var. zabellii Zabeli honeysuckle cultivated origin Caprifoliaceae
5-3 2014 Symphoricarpos albus snowberry N Am Caprifoliaceae
5-4 1966 Lonicera maximowiczii var. sachalinensis Sakhalin honeysuckle NE Asia Caprifoliaceae
5-5 2019 Malus fusca Pacific crabapple W N Am Rosaceae
5-6 1966 Lonicera tatarica 'Arnold Red' Arnold Red honeysuckle cultivated origin Caprifoliaceae
5-7 2008 Symphoricarpos occidentalis buckbrush N Am Caprifoliaceae
5-8 1966 Lonicera tatarica 'Beavermor' Beavermor honeysuckle cultivated origin Caprifoliaceae
5-9 2006 Lonicera maackii Amur honeysuckle NE Asia Caprifoliaceae
5-10 1981 Lonicera stenantha honeysuckle C Asia Caprifoliaceae
5-11 1966 Lonicera xylosteoides 'Clavey's Dwarf' Clavey's Dwarf honeysuckle cultivated origin Caprifoliaceae
5-12 2006 Diervilla lonicera northern bush-honeysuckle C & E N Am Diervillaceae
5-13 1966 Lonicera x bella 'Dropmore' bella Dropmore honeysuckle cultivated origin Caprifoliaceae
5-14 1966 Lonicera coerulea var. edulis sweetberry honeysuckle E Asia Caprifoliaceae
5-15 1966 Lonicera very dwarf honeysuckle cultivated origin Caprifoliaceae
5-16 1966 Lonicera tatarica Tatarian honeysuckle C Asia – E Asia Caprifoliaceae
5-17 1966 Lonicera xylosteum European fly honeysuckle Eu - W Asia Caprifoliaceae
5-18 1967 Lonicera ruprechtiana regal honeysuckle NE Asia Caprifoliaceae
5-19 1967 Lonicera ruprechtiana var. calvescens Manchurian honeysuckle China, Korea, Russia Caprifoliaceae
5-20 2015 Lonicera tatarica 'Frosty' Frosty Tatarian honeysuckle cultivated origin Caprifoliaceae
5-21 1966 Viburnum burejaeticum Manchurian viburnum NE Asia Adoxaceae
5-22 1966 Viburnum lentago nannyberry C & E N Am Adoxaceae
5-23 2009 Viburnum dentatum arrowood viburnum E N Am Adoxaceae
5-24 2017 Corylus sieboldiana var. mandshurica Manchurian hazel NE Asia Betulaceae
5-25 1966 Viburnum rafinesquianum downy-leaved arrowwood C & E N Am Adoxaceae
5-26 1966 Viburnum sargentii Sargent's cranberry NE Asia Adoxaceae
5-27 2014 Viburnum sargentii subsp. calvescens NE Asia Adoxaceae
5-28 2016 Viburnum trilobum high bush cranberry N Am Adoxaceae
5-29 1966 Viburnum opulus 'Nanum' dwarf cranberry cultivated origin Adoxaceae
5-30 2011 Viburnum edule low-bush cranberry N Am, NE Asia Adoxaceae
5-31 1967 Viburnum trilobum 'Garry Pink' Garry Pink high bush cranberry cultivated origin Adoxaceae
5-32 1967 Viburnum opulus SX65-37 European cranberry bush cultivated origin Adoxaceae
5-32 2015 Viburnum opulus SX65-37 European cranberry bush cultivated origin Adoxaceae
5-33 2015 Aralia elata Japanese angelica tree NE Asia Araliaceae
5-34 2015 Robinia pseudoacacia black locust SE USA Fabaceae
5-35 2012 Ptelea trifoliata hoptree E N Am Rutaceae
5-36 2008 Ostryopsis davidiana hu zhen zi, hazel-hornbeam N & W China Betulaceae
5-37 2012 Deutzia parviflora var. amurensis Amur deutzia N China Hydrangeaceae
5-38 1994 Aronia melanocarpa black chokecherry E N Am Rosaceae
5-39 2013 Forestiera neomexicana desert olive SW USA Oleaceae
5-40 2006 Symphoricarpos orbiculatus coralberry E USA Caprifoliaceae
5-41 2018 Ceanothus americanus New Jersey tea C – E N Am Rhamnaceae
5-42 2009 Hypericum prolificum shrubby St. Johnswort E USA Hypericaceae
5-43 2006 Aralia spinosa devil's walking stick E N Am Araliaceae
6-1 1969 Tilia mongolica #6804 #6804 Mongolian basswood cultivated origin Malvaceae
6-2 1967 Populus x berolinensis Berlin poplar cultivated origin Salicaceae
6-2.1 2018 Rubus parviflorus thimbleberry W N Am Rosaceae
6-3 1992 Populus x berolinensis Berlin poplar cultivated origin Salicaceae
6-3.1 2018 Rubus odoratus wild flowering raspberry E N Am Rosaceae
6-4 1966 Populus x jackii 'Northwest' northwest poplar cultivated origin Salicaceae
6-5 1992 Populus x robusta 66-693 poplar cultivated origin Salicaceae
6-6 1968 Populus deltoides var. occidentalis 'Dakotah' Dakotah poplar cultivated origin Salicaceae
6-7 2007 Populus angustifolia narrowleaf cottonwood W N Am Salicaceae
6-8 1966 Populus hybrid hybrid poplar cultivated origin Salicaceae
6-8.1 2018 Castanea dentata American chestnut E N Am Fagaceae
6-9 1991 Malus 7601 flowering crab cultivated origin Rosaceae
6-9.1 2019 Acer saccharum sugar maple E N Am Sapindaceae
6-10 1972 Populus x canadensis 'Serotina de Selys' Serotina de Selys poplar cultivated origin Salicaceae
6-10.1 2018 Quercus mongolica var. grosseserrata Mongolian oak NE Asia Fagaceae
6-11 2016 Juglans mandshurica Manchurian walnut NE Asia Juglandaceae
6-11.1 2017 Syringa komarowii nodding lilac China Oleaceae
6-12 2012 Populus x generosa Generosa poplar cultivated origin Salicaceae
6-12.1 2017 Syringa wolfii Wolf's lilac NE Asia Oleaceae
6-13 2006 Juglans mandshurica Manchurian walnut NE Asia Juglandaceae
6-13.1 2017 Quercus gambelii Gambel oak SW USA Fagaceae
6-14 2006 Juglans cinerea butternut E N Am Juglandaceae
6-14.1 2017 Rhus glabra smooth sumac N Am Anacardiaceae
7-1 1991 Potentilla fruticosa 'Mount Everest' Mount Everest potentilla cultivated origin Rosaceae
7-2 2008 Philadelphus pubescens hoary mockorange E USA Hydrangeaceae
7-3 1967 Spiraea x bumalda 'Froebeli' Froebel dwarf pink spirea cultivated origin Rosaceae
7-4 1991 Potentilla fruticosa 'Yellow Gem' Yellow Gem potentilla cultivated origin Rosaceae
7-5 1966 Spiraea chamaedryfolia var. ulmifolia elmleaf spirea E Asia Rosaceae
7-6 1966 Spiraea x media var. sericea oriental spirea cultivated origin Rosaceae
7-7 1966 Spiraea trilobata threelobe spirea E Asia Rosaceae
7-8 2009 Philadelphus tenuifolius slenderleaf mockorange NE Asia Hydrangeaceae
7-9 2000 Spiraea nipponica 96-7462 Japanese spirea cultivated origin Rosaceae
7-10 1966 Spiraea nipponica Nippon spirea Japan Rosaceae
7-11 1978 Spiraea 'Korman' Korman spirea cultivated origin Rosaceae
7-12 2014 Viburnum lantana wayfaring tree Eu - W Asia Adoxaceae
7-13 1966 Spiraea x multiflora 'Snow Garland' Snowgarland spirea cultivated origin Rosaceae
7-14 1966 Spiraea 'Summersnow' Summersnow spirea cultivated origin Rosaceae
7-15 2019 Acer barbinerve bearded maple Russia, Korea, N China Sapindaceae
7-16 1966 Spiraea trilobata threelobe spirea E Asia Rosaceae
7-17  
7-18 1966 Spiraea 'Fairy Queen' Fairy Queen spirea cultivated origin Rosaceae
7-19 2019 Lonicera chrysantha honeysuckle Europe – E Asia Caprifoliaceae
7-20 1967 Spiraea x media 'Snowdrift' Snowdrift spirea cultivated origin Rosaceae
7-21 1966 Spiraea trichocarpa 'Density' Density spirea cultivated origin Rosaceae
7-22 1966 Spiraea henryi Henry spirea China Rosaceae
7-23 2007 Morus rubra red mulberry E N Am Moraceae
7-24 2013 Corylus americana American hazel E N Am Betulaceae
7-25 1995 Spiraea alba 'Neywoods Gold' Neywoods gold spirea cultivated origin Rosaceae
7-26 1967 Spiraea x arguta Garland spirea cultivated origin Rosaceae
7-27 1980 Spiraea x bumalda 'Goldflame' Goldflame spirea cultivated origin Rosaceae
7-28 2019 Syringa yunnanensis subsp. sweginzowii lilac Sichuan, China Oleaceae
7-29 1967 Spiraea chamaedryfolia germander spirea Eu – E Asia Rosaceae
7-30 1974 Potentilla fruticosa 'Goldfried' Goldfried potentilla cultivated origin Rosaceae
7-31 1990 Potentilla fruticosa 'Snowbird' Snowbird potentilla cultivated origin Rosaceae
7-32 2012 Rhamnus saxatilis rock buckthorn Eu Rhamnaceae
7-33 1967 Potentilla fruticosa var. dahurica Dahurian potentilla NE Asia Rosaceae
7-34 1993 Potentilla fruticosa var. tenuloba tangerine potentilla cultivated origin Rosaceae
7-35 1966 Potentilla fruticosa 'Primrose Beauty' Primrose Beauty potentilla cultivated origin Rosaceae
7-36 1966 Potentilla fruticosa 'Katherine Dykes' Katherine Dykes potentilla cultivated origin Rosaceae
7-37 1990 Potentilla fruticosa 'Yellowbird' Yellowbird potentilla cultivated origin Rosaceae
7-38 1966 Potentilla fruticosa 'Elizabeth' Elizabeth potentilla cultivated origin Rosaceae
7-39 1966 Potentilla fruticosa var. grandiflora 'Jackmans' Jackmans potentilla cultivated origin Rosaceae
7-40 1981 Potentilla fruticosa 'Goldfinger' Goldfinger potentilla cultivated origin Rosaceae
7-41 1966 Potentilla fruticosa shrubby cinquefoil or potentilla N A – Eurasia Rosaceae
7-42 1966 Potentilla fruticosa 'Friedrichsenii' Friedrichsen potentilla cultivated origin Rosaceae
7-43 2019 Viburnum acerifolium mapleleaf viburnum E N Am Adoxaceae
7-44  
7-45 1983 Potentilla fruticosa 'Goldfinger' Goldfinger potentilla cultivated origin Rosaceae
7-46 1967 Potentilla fruticosa 'Snowflake' Snowflake potentilla cultivated origin Rosaceae
7-47 1967 Potentilla fruticosa 'White Gold' White Gold potentilla cultivated origin Rosaceae
7-48 1967 Potentilla fruticosa 'Primrose Beauty' Primrose Beauty potentilla cultivated origin Rosaceae
7-49 1967 Potentilla fruticosa 'Maanley's' Maanley's potentilla cultivated origin Rosaceae
7-49.1 2016 Yucca filamentosa Adam's needle SE USA Asparagaceae
7-50 1993 Potentilla fruticosa 'Princess' Princess potentilla cultivated origin Rosaceae
7-50.1 2016 Yucca glauca Great Plains yucca C USA, Alberta Asparagaceae
8-1 2017 Gleditsia triacanthos honey locust C N Am Fabaceae
8-1.1 2012 Betula neoalaskana Alaska paper birch, resin birch NW N Am Betulaceae
8-2  
8-3 2017 Picea glehnii Sakhalin spruce Japan, Russia Pinaceae
8-3.1 2014 Betula davurica Dahurian birch NE Asia Betulaceae
8-4 1966 Betula papyrifera white or paper birch N Am Betulaceae
8-4.1 2017 Sorbus alnifolia Korean whitebeam China, Korea, Japan Rosaceae
8-5 1994 Betula platyphylla Asian white birch E Asia Betulaceae
8-5.1 2013 Quercus robur English oak, pendunculate oak Eu Fagaceae
8-6 2015 Sorbus amurensis (pouhashanensis) Amur mountain-ash NE Asia Rosaceae
8-6.1 2018 Acer pictum subsp, mayrii mono maple Japan, Sakhalin Is. Sapindaceae
8-7 2019 Sorbus americana American mountain-ash E N Am Rosaceae
8-8 1974 Betula lutea yellow birch E N Am Betulaceae
8-8.1 2019 Quercus dentata Japanese emperor oak NE Asia Fagaceae
8-9 2007 Phellodendron amurense Amur cork tree NE Asia Rutaceae
8-9.1 2012 Phellodendron sachalinense Sakhalin corktree NE Asia Rutaceae
8-10 1972 Aesculus glabra Ohio buckeye E N Am Sapindaceae
8-10.1 2018 Quercus velutina black oak E N Am Fagaceae
8-11 2006 Aesculus flava yellow buckeye E N Am Sapindaceae
8-11.1 2018 Quercus coccinea scarlet oak E USA Fagaceae
8-12 2016 Quercus mongolica Mongolian oak NE Asia Fagaceae
8-12.1 2018 Cercidiphyllum japonicum katsura tree Japan, China Cercidiphyllaceae
8-13 1966 Acer saccharinum silver maple E N Am Sapindaceae
8-14  
8-15 2017 Juglans nigra black walnut E N Am Juglandaceae
9-1 2015 Betula middendorffii (divaricata) birch NE Asia Betulaceae
9-2 2013 Salix petiolaris meadow willow C N Am Salicaceae
9-3 1966 Philadelphus schrenkii var. jackii Schrenk's mockorange China, Korea Hydrangeaceae
9-4 1987 Philadelphus 'Snowgoose' Snowgoose mockorange cultivated origin Hydrangeaceae
9-5 2006 Philadelphus caucasicus Caucasus mockorange Caucasus region Hydrangeaceae
9-6 1966 Philadelphus 'Marjorie' Marjorie mockorange cultivated origin Hydrangeaceae
9-7 1966 Philadelphus 'Audrey' Audrey mockorange cultivated origin Hydrangeaceae
9-8 2013 Aronia arbutifolia red chokeberry E N Am Rosaceae
9-9 1966 Philadelphus 'Galahad' Galahad mockorange cultivated origin Hydrangeaceae
9-10 1966 Philadelphus 'Mrs. Thompson' Mrs. Thompson mockorange cultivated origin Hydrangeaceae
9-11 1983 Syringa reticulata O.P. Japanese tree lilac cultivated origin Oleaceae
9-12 1975 Syringa vulgaris 'Mrs. W. E. Marshall' Mrs. W. E. Marshall lilac cultivated origin Oleaceae
9-13 1975 Syringa oblata var. dilatata Korean early lilac N China Oleaceae
9-13 2013 Ribes nigrum blackcurrant Eu - C Asia Grossulariaceae
9-14 2014 Rhus aromatica fragrant sumac N Am Anacardiaceae
9-15 2000 Syringa x hyacinthiflora Maidens Blush lilac cultivated origin Oleaceae
9-16 1991 Spiraea alba narrow-leaved meadowsweet C & E N Am Rosaceae
9-17 1975 Syringa vulgaris 'Priscilla' Priscilla lilac cultivated origin Oleaceae
9-18 2019 Xanthoceras sorbifolium yellowhorn N China Sapindaceae
9-19 1991 Syringa x prestoniae 'Dawn' Preston Dawn lilac cultivated origin Oleaceae
9-20 2007 Physocarpus monogynus mountain ninebark C & W USA Rosaceae
9-21 1991 Syringa x prestoniae 'Katherina' Katherina lilac cultivated origin Oleaceae
9-22 1966 Physocarpus amurensis Amur ninebark NE Asia Rosaceae
9-23 1966 Physocarpus opulifolius 'Luteus' golden ninebark cultivated origin Rosaceae
9-24 1997 Physocarpus capitatus ninebark W N Am Rosaceae
9-25 1966 Physocarpus opulifolius 'Nanus' dwarf ninebark cultivated origin Rosaceae
9-26 1969 Physocarpus opulifolius common ninebark E N Am Rosaceae
9-27 1968 Elutherococcus sessilflorus hardy aralia China, Korea Araliaceae
9-28 2008 Elutherococcus senticosus eluthero or Siberian ginseng NE Asia Araliaceae
9-29 1967 Philadelphus lewisii 'Waterton' Waterton mockorange cultivated origin Hydrangeaceae
9-30 2018 Cornus mas Cornelian cherry S Europe – SW Asia Cornaceae
9-31 1970 Philadelphus virginalis 'Bouquet Blanc' Bouquet Blanc mockorange cultivated origin Hydrangeaceae
9-32  
9-33 1993 Ribes golden currant Grossulariaceae
9-34 1979 Ribes 'Stanley Thornless' Stanley Thornless currant cultivated origin Grossulariaceae
9-35 2019 Syringa emodi Himalayan lilac Southern C Asia Oleaceae
9-36 2018 Forsythia ovata Korean forsythia Korean Peninsula Oleaceae
9-37 1969 Rhus trilobata skunkbush W N Am Anacardiaceae
9-38 1972 Ribes aureum golden currant W N Am Grossulariaceae
9-39 1970 Ribes triste (alpinum?) swamp red currant N N Am Grossulariaceae
9-40 2017 Prunus emarginata bitter cherry W N Am Rosaceae
9-41 1974 Ribes oxycanthoides Canada gooseberry N N Am Grossulariaceae
9-42  
9-43 1967 Ribes hirtellum hairystem gooseberry C & E N Am Grossulariaceae
9-45 1967 Ribes americanum American black currant C & E N Am Grossulariaceae
9-46 2010 Physocarpus malvaceus mallow ninebark W N Am Rosaceae
9-47 2006 Lycium barbarum wolfberry Eu - W Asia Solanaceae
9-48 1966 Ribes diacanthum Siberian currant C & E Asia Grossulariaceae
9-49 1966 Ribes odoratum buffalo or Missouri currant C N Am Grossulariaceae
9-50 1972 Ribes 'Dakota Dwarf' Dakota dwarf currant cultivated origin Grossulariaceae
10-1 1974 Betula pumila var. glandulifera bog birch N Am Betulaceae
10-1.1 2019 Lonicera dioica twining honeysuckle N & E N Am Caprifoliaceae
10-1.2 2017 Clematis macropetala downy clematis China, Mongolia, Russia Ranunculaceae
10-2 1966 Crataegus erythropoda chocolate hawthorn W USA Rosaceae
10-2.1 2012 Lonicera dioica (?) twining honeysuckle N & E N Am Caprifoliaceae
10-2.2 2019 Clematis fusca clematis NE Asia Ranunculaceae
10-3 1982 Gleditsia sinensis Chinese honey locust China Fabaceae
10-3.1 2007 Rosa maximowicziana climbing rose NE Asia Rosaceae
10-4 1966 Crataegus chrysocarpa round-leaved hawthorn N Am Rosaceae
10-4.1 2009 Rosa 'Polstjarnan' Polstjarnan or Polstar rose cultivated origin Rosaceae
10-4.2 2018 Actinidia arguta ‘Meader’ Meader hardy male kiwi cultivated origin Actinidiaceae
10-5 1966 Crataegus arnoldiana Arnold hawthorn E USA Rosaceae
10-5.1 2012 Clematis 'Joe Zary' Joe Zary clematis cultivated origin Ranunculaceae
10-5.2 2018 Schisandra chinensis wu wei zi (five flavour berry) NE Asia Schisandraceae
10-6 1968 Crataegus scabrida rough hawthorn E N Am Rosaceae
10-6.1 2015 Tripterygium regelii Redgel's threewingnut N. China, Korea, Japan Celastraceae
10-6.2 2012 Actinidia kolomikta kolomikta vine NE Asia Actinidiaceae
10-7 1966 Crataegus chlorosarca blackfruit hawthorn China Rosaceae
10-8 1975 Crataegus rivularis river hawthorn W USA Rosaceae
10-8.1 2014 Clematis occidentalis var. grosseserrata western blue clematis W N Am Ranunculaceae
10-8.2 2010 Lonicera hirsuta hairy honeysuckle E N Am Caprifoliaceae
10-9 2017 Pinus monticola western white pine W N Am Pinaceae
10-9.1 2008 Vitis amurensis Amur grape N China Vitaceae
10-9.2 2019 Clematis koreana Korean clematis Korea, N China Ranunculaceae
10-10 1967 Crataegus beata hawthorn E N Am Rosaceae
10-10.1 2014 Ampelopsis humulifolia hops ampelopsis E Asia Vitaceae
10-10.2 2007 Celastrus scandens American bittersweet C and E N Am Celastraceae
10-11 1983 Crataegus arnoliana O.P. hawthorn cultivated origin Rosaceae
10-11.1 2008 Vitis riparia riverbank grape C & E N Am Vitaceae
10-12 1972 Crataegus x mordenensis 'Snowbird' Snowbird hawthorn cultivated origin Rosaceae
10-12.1 2013 Clematis ligusticifolia western white clematis W N Am Ranunculaceae
10-13 1972 Crataegus pedicellata Ontario hawthorn E N Am Rosaceae
10-13.1 2010 Clematis intricata clematis NE Asia Ranunculaceae
10-13.2 2014 Actinidia kolomikta 'Arctic Beauty' Arctic Beauty kiwi cultivated origin Actinidiaceae
10-14 1968 Crataegus submollis Quebec hawthorn E N Am Rosaceae
11-1 1999 Prunus 'Carmine Jewel' SK Carmine Jewel sour cherry cultivated origin Rosaceae
11-2 2017 Alnus rubra red alder W N Am Betulaceae
11-2.1 2006 Juniperus chinensis var. sargentii Sargent juniper NE Asia Cupressaceae
11-2.2 2018 Staphylea trifolia American bladdernut E N Am Staphyleaceae
11-2.3 2017 Cornus racemosa gray dogwood NE N Am Cornaceae
11-2.4 2006 Juniperus scopulorum Rocky Mountain juniper cultivated origin Cupressaceae
11-2.5 2018 Nyssa sylvatica black tupelo E N Am Cornaceae
11-3 2019 Staphylea pinnata European bladdernut Europe, Turkey, Caucasus Staphyleaceae
11-4 1998 Juniperus horizontalis 'Emerson' Emerson creeping juniper cultivated origin Cupressaceae
11-5 1998 Juniperus horizontalis 'New Blue Tams' New Blue Tams creeping juniper cultivated origin Cupressaceae
11-6 1996 Juniperus horizontalis 'Grey Carpet' Grey Carpet creeping juniper cultivated origin Cupressaceae
11-7 1996 Juniperus horizontalis 'Humilis' Humilis creeping juniper cultivated origin Cupressaceae
11-8 1996 Juniperus x media 'Pfiteriana Compacta' Pfiteriana juniper cultivated origin Cupressaceae
11-9 1996 Juniperus horizontalis 9106 creeping juniper #9106 cultivated origin Cupressaceae
11-10 1996 Juniperus horizontalis 9107 creeping juniper #9107 cultivated origin Cupressaceae
11-11 1996 Juniperus horizontalis 'Nebraska' Nebraska creeping juniper cultivated origin Cupressaceae
11-12 1996 Juniperus horizontalis 'Blue Mat' Blue Mat creeping juniper cultivated origin Cupressaceae
11-13 1996 Juniperus horizontalis 'Bar Harbour' Bar Harbour creeping juniper cultivated origin Cupressaceae
11-14 1996 Juniperus sabina 'Buffalo' Buffalo Savin juniper cultivated origin Cupressaceae
11-15 2018 Tsuga diversifolia northern Japanese hemlock Japan Pinaceae
11-16 1996 Juniperus horizontalis 'Kleskun' Kleskun creeping juniper cultivated origin Cupressaceae
11-17 1996 Juniperus horizontalis 'Mini Arcade' Mini Arcade creeping juniper cultivated origin Cupressaceae
11-18 1995 Juniperus horizontalis 'Prostrata' Prostrata creeping juniper cultivated origin Cupressaceae
11-19 1995 Juniperus horizontalis 'Yukon Belle' Yukon Belle creeping juniper cultivated origin Cupressaceae
11-20 1994 Juniperus horizontalis 'Wapiti' Wapiti creeping juniper cultivated origin Cupressaceae
11-21 2015 Taxus cuspidata Japanese yew NE Asia Taxaceae
11-22 1974 Juniperus chinensis 'Pfitzeriana' Pfitzer Chinese juniper cultivated origin Cupressaceae
11-23 2015 Cupressus nootkatensis Nootka cypress #6 W N Am Cupressaceae
11-24 1968 Juniperus chinensis 'Maney' Maney Chinese juniper cultivated origin Cupressaceae
11-25 1968 Juniperus chinensis 'Ames' Ames Chinese juniper cultivated origin Cupressaceae
11-26 1970 Juniperus sabina 'Blue Danube' Blue Danube juniper cultivated origin Cupressaceae
11-27 1981 Thuja occidentalis 'Europe Gold' Europe Gold arborvitae cultivated origin Cupressaceae
11-28 2011 Taxus canadensis Canada yew E N Am Taxaceae
11-29 1971 Juniperus horizontalis 'Plumosa Compacta' Compact Andorra creeping juniper cultivated origin Cupressaceae
11-30 2013 Taxus x media yew cultivated origin Taxaceae
11-31 1972 Juniperus chinensis 'Mountbatten' Mountbatten Chinese juniper cultivated origin Cupressaceae
11-32 1973 Thuja occidentalis 'Brandon' Brandon white cedar cultivated origin Cupressaceae
11-33 1981 Juniperus 'Emerald Green' Emerald Green juniper cultivated origin Cupressaceae
11-34 1998 Thuja occidentalis 'Boothii' Boothii arborvitae cultivated origin Cupressaceae
11-35 1998 Thuja occidentalis 'Masonic' Masonic arborvitae cultivated origin Cupressaceae
11-36 1992 Thuja occidentalis 'Sherwood Moss' Sherwood Moss arborvitae cultivated origin Cupressaceae
11-37 2017 Cytisus sp. broom Eurasia Fabaceae
11-38 2016 Juniperus rigida temple juniper NE Asia Cupressaceae
11-39 2007 Arctostaphylos uva-ursi kinnikinnick or bearberry Eu – Asia – N Am Ericaceae
11-40 1992 Juniperus horizontalis 'Blue Acres' Blue Acres creeping juniper cultivated origin Cupressaceae
11-41 1992 Juniperus horizontalis 'Green Acres' Green Acres creeping juniper cultivated origin Cupressaceae
11-42 1992 Juniperus sabina 'Hicksii' Hicksii savin juniper cultivated origin Cupressaceae
11-43 1972 Thuja occidentalis 'Aureovariegata' white cedar cultivated origin Cupressaceae
11-44 1981 Juniperus horizontalis 'Wapiti' Wapiti creeping juniper cultivated origin Cupressaceae
11-45  
11-46 1981 Juniperus horizontalis 'Dunvegan Blue' Dunvegan Blue creeping juniper cultivated origin Cupressaceae
11-47 2015 Pyrus caucasica Caucasian pear SE Eu – W Asia Rosaceae
11-48 2006 Ribes cynosbati prickly gooseberry E N Am Grossulariaceae
11-49 1972 Ribes glandulosum (?) fetid or skunk currant coastal W N Am Grossulariaceae
11-50 2016 Prinsepia uniflora hedge prinsepia China Rosaceae
12-1 1972 Crataegus douglasii Douglas hawthorn N & W N Am Rosaceae
12-2 1975 Malus 'Red Splendor' Red Splendor flowering crab cultivated origin Rosaceae
12-2.1 2019 Schisandra chinensis Magnolia-vine NE Asia Schisandraceae
12-3 1967 Malus 'Arctic Dawn' Arctic Dawn flowering crab cultivated origin Rosaceae
12-3.1 2019 Menispermum canadense Canada moonseed E N Am Menispermaceae
12-4 1969 Malus 'Kelsey' Kelsey flowering crab cultivated origin Rosaceae
12-4.1 2019 Parthenocissus tricuspidata Boston ivy NE Asia Vitaceae
12-5 1978 Malus 'Radiant' Radiant flowering crab cultivated origin Rosaceae
12-5.1 2019 Menispermum dauricum Dahurian moonseed NE Asia Menispermaceae
12-6 1981 Crataegus macracatha (succulenta) fleshy hawthorn N Am Rosaceae
12-7 1970 Malus crabapple cultivated origin Rosaceae
12-8 2018 Cercis canadensis eastern redbud E N Am Fabaceae
12-9 1976 Malus 'Pink Cascade' Pink Cascade flowering crab cultivated origin Rosaceae
12-10 2018 Carya ovata shagbark hickory E N Am Juglandaceae
12-11 1995 Malus 'Redy' Redy crabapple cultivated origin Rosaceae
12-12 1991 Malus #8795 crabapple #8795 cultivated origin Rosaceae
12-12.1 2019 Clematis occidentalis var. grosseserrata western blue clematis W N Am Ranunculaceae
12-13 1976 Malus 'Red Jade' Red Jade flowering crab cultivated origin Rosaceae
12-14 2012 Aesculus hippocastanum horsechestnut Eu Sapindaceae
12-15 1979 Ulmus davidiana var. japonica #7617 Japanese elm #7617 cultivated origin Ulmaceae
12-16 1979 Ulmus davidiana var. japonica #7619 Japanese elm #7619 cultivated origin Ulmaceae
12-17 1979 Celtis occidentalis #7101 hackberry #7101 cultivated origin Cannabaceae
12-18 2006 Catalpa ovata Chinese catalpa China Bignoniaceae
12-19 2019 Quercus ellipsoidalis northern pin oak E N Am Fagaceae
12-20 1966 Malus 'Snowcap' Snowcap flowering crab cultivated origin Rosaceae
12-21 2008 Fraxinus bungeana dwarf flowering ash, Bunge's ash N China Oleaceae
12-22 2012 Catalpa speciosa northern catalpa E USA Bignoniaceae
12-23 2018 Pseudotsuga menziesii var. glauca Rocky Mountain Douglas-fir W N Am Pinaceae
12-24 1970 Malus 'Sundog' Sundog flowering crab cultivated origin Rosaceae
12-25 1979 Malus 'Rosthern Pyramidal' Rosthern Pyramidal flowering crab cultivated origin Rosaceae
12-26 1979 Malus 'Sutherland' Sutherland flowering crab cultivated origin Rosaceae
12-27 1979 Acer saccharinum silver maple #7722 E N Am Sapindaceae
13-1 2012 Myrica gale sweet gale N N Am – N Eurasia Myricaceae
13-2 2018 Rhododendron luteum yellow rhododendron SE Eu to SW Asia Ericaceae
13-3 2019 Rhododendron smirnowii Smirnow’s rhododendron Caucasus Mountains Ericaceae
13-4 2018 Rhododendron sichotense rhododendron Sikhote Alin mountains, Russia Ericaceae
13-5 1991 Juniperus sabina 'Buffalo' Buffalo Savin juniper cultivated origin Cupressaceae
13-6 2013 Lonicera utahensis red twinberry W N Am Caprifoliaceae
13-7 2018 Rhododendron schlippenbachii Royal azelea Korean Peninsula, Japan, N. China, E. Russia Ericaceae
13-8 2017 Rhododendron dauricum Dahurian rhododendron E Asia Ericaceae
13-9 1966 Juniperus sabina Savin juniper Eu - W Asia Cupressaceae
13-10 2019 Rhododendron maximum great laurel Appalachian region, USA Ericaceae
13-11 2017 Rhododendron ledebourii rhododendron Altai Mountains, C Asia Ericaceae
13-13 2019 Cupressus nootkatensis Nootka cypress #7 W N Am Cupressaceae
13-14 1971 Thuja occidentalis 'Golden' Golden arborvitae cultivated origin Cupressaceae
13-15 1983 Juniperus 'Winter Blue' Winter Blue juniper cultivated origin Cupressaceae
13-16 2017 Tsuga mertensiana mountain hemlock W N Am Pinaceae
13-17 2009 Tsuga canadensis Canada hemlock E N Am Pinaceae
13-17 2018 Abies mariesii Maries fir Japan Pinaceae
13-18 1967 Thuja occidentalis (Lake St. John #1) Lake St. John #1 arborvitae E N Am Cupressaceae
13-19 1967 Thuja occidentalis (Lake St. John #2) Lake St. John #2 arborvitae E N Am Cupressaceae
13-20 1967 Thuja occidentalis (Lake St. John #3) Lake St. John #3 arborvitae E N Am Cupressaceae
13-21 1972 Thuja occidentalis 'Globosa' Globe arborvitae cultivated origin Cupressaceae
13-22 2019 Rubus flagellaris dewberry E N Am Rosaceae
13-23 2016 Daphne mezereum February daphne Eu - W Asia Thymelaeaceae
13-24 2017 Spiraea chamaedryfolia Elm-leaved spirea Se Eu, Asia Rosaceae
13-25 1970 Thuja occidentalis 'Winona' Winona arborvitae cultivated origin Cupressaceae
13-26 1968 Thuja occidentalis 'Hetz Midget' Hetz Midget arborvitae cultivated origin Cupressaceae
13-27 1970 Thuja occidentalis 'Little Gem' Green Globe arborvitae cultivated origin Cupressaceae
13-28 2011 Juniperus horizontalis creeping juniper N N Am Cupressaceae
13-29 2019 Cotoneaster apiculatus cranberry cotoneaster China Rosaceae
13-30 2006 Mahonia repens creeping mahonia W N Am Berberidaceae
13-31 1970 Thuja occidentalis 'Little Champion' Little Champion arborvitae cultivated origin Cupressaceae
13-32 1979 Thuja occidentalis 'Little Giant' Little Giant arborvitae cultivated origin Cupressaceae
13-33 1991 Juniperus sabina 'Calgary Carpet' Calgary Carpet juniper cultivated origin Cupressaceae
13-34 1981 Thuja 'Golden Champion' Golden Champion cedar cultivated origin Cupressaceae
13-35 1970 Thuja occidentalis 'Ellwangeriana' Ellwanger arborvitae cultivated origin Cupressaceae
13-36 1966 Thuja occidentalis 'Holmstrup' Holmstrup arborvitae cultivated origin Cupressaceae
13-37 1970 Thuja koraiensis Korean arborvitae China, Korea Cupressaceae
13-38 1966 Thuja occidentalis 'Sunburn Proof' Sunburn Proof arborvitae cultivated origin Cupressaceae
13-39 1966 Thuja occidentalis 'Wareana' Siberian arborvitae cultivated origin Cupressaceae
13-40 1970 Thuja occidentalis Eastern whitecedar E N Am Cupressaceae
13-41 1972 Thuja occidentalis 'Carman Columnar' Carman columnar arborvitae cultivated origin Cupressaceae
13-42 1967 Thuja occidentalis 'Mission Gardens' Mission Gardens arborvitae cultivated origin Cupressaceae
13-43 1981 Thuja occidentalis 'Skybound' Skybound arborvitae cultivated origin Cupressaceae
13-44  
13-45 1966 Picea glauca 'Conica' dwarf Alberta spruce cultivated origin Pinaceae
13-46 1971 Thuja occidentalis 'Woodwardii' Woodward arborvitae cultivated origin Cupressaceae
13-47 1971 Thuja occidentalis 'Techney' Techney arborvitae cultivated origin Cupressaceae
13-48  
13-49 1970 Thuja occidentalis, 'Aurea' group arborvitae cultivated origin Cupressaceae
14-1 2017 Betula pendula European white birch Eurasia Betulaceae
14-2 1974 Malus 'Leslie' Leslie flowering crab cultivated origin Rosaceae
14-3 1991 Picea abies 'Pendula' weeping Norway spruce cultivated origin Pinaceae
14-4 1990 Fraxinus pennsylvanica 'Dakotah Centennial' Dakotah Centennial ash cultivated origin Oleaceae
14-5 2017 Pyrus betulifolia birchleaf pear China Rosaceae
14-6 ? Malus 'Sparkler' Sparkler crabapple cultivated origin Rosaceae
14-7 2009 Sorbus pohuashanensis mountain-ash China Rosaceae
14-8 1972 Malus 'Alred' Alred flowering crab cultivated origin Rosaceae
14-9 2015 Sorbus americana American mountain-ash E N Am Rosaceae
14-10 1995 Tilia japonica Japanese linden Japan, China Malvaceae
14-10 2012 Tilia japonica Japanese linden Japan, China Malvaceae
14-11 1995 Tilia x euchlora 'Redmond' Redmond linden cultivated origin Malvaceae
14-12 1967 Malus 'Garry' Garry flowering crab cultivated origin Rosaceae
14-13 1994 Prunus virginina var. melanocarpa 70-2193 Black chokecherry cultivated origin Rosaceae
14-14 1993 Prunus x nigrella Muckle plum cultivated origin Rosaceae
14-15 2016 Prunus davidiana Chinese wild source peach China Rosaceae
14-16 2014 Prunus armeniaca apricot, cultivated Asia Rosaceae
14-17 2014 Thuja plicata western redcedar W N Am Cupressaceae
14-18 1972 Malus baccata 'Jackii' Jack Siberian crabapple cultivated origin Rosaceae
14-19 2009 Carpinus caroliniana American hornbeam, blue-beech E N Am Betulaceae
14-20 2018 Quercus muehlenbergii chinquapin oak E N Am Fagaceae
14-21 1967 Malus 'Selkirk' Selkirk flowering crab cultivated origin Rosaceae
14-22 1979 Prunus nigra Canada plum E N Am Rosaceae
14-23 1975 Ostrya virginiana American hop-hornbeam E N Am Betulaceae
14-24 1974 Malus 'Thunderchild' Thunderchild flowering crab cultivated origin Rosaceae
14-25 2012 Morus alba white mulberry N China Moraceae
14-26 1991 Malus #8797 crabapple cultivated origin Rosaceae
15-1 2014 Salix lucida subsp. lasiandra Pacific willow W N Am Salicaceae
15-2 1967 Syringa reticulata subsp. reticulata Japanese lilac Japan Oleaceae
15-3  
15-4 2014 Rhamnus alnifolia alder-leaved buckthorn N Am Rhamnaceae
15-5 2013 Malus sieboldii var. arborescens Siebold's crabapple Japan, Korea Rosaceae
15-6 2014 Malus coronaria sweet crabapple E N Am Rosaceae
15-7 1967 Syringa x prestoniae 'Coral' Coral lilac cultivated origin Oleaceae
15-8 2013 Sorbus vilmorinii Vilmorin's mountain-ash China Rosaceae
15-9 2009 Elutherococcus senticosus Siberian ginseng NE Asia Araliaceae
15-10 2013 Sorbus x intermedia Swedish whitebeam N Eu Rosaceae
15-11 1967 Syringa vulgaris 'Gloire de Aalsmeer' Glorie de Aalsmeer lilac cultivated origin Oleaceae
15-12 2015 Syringa vulgaris 'Joan Dunbar' Joan Dunbar lilac cultivated origin Oleaceae
15-13 2013 Kalopanax septemlobus castor aralia NE Asia Araliaceae
15-14 2016 Cladrastis kentukea American yellowwood SE USA Fabaceae
15-15 2014 Syringa komarowii subsp. reflexa nodding lilac China Oleaceae
15-16 1981 Syringa SX80-162 lilac cultivated origin Oleaceae
15-17 2018 Quercus prinoides dwarf chinkapin oak E N Am Fagaceae
15-18 1967 Syringa x josiflexa 'Royalty' Royalty lilac cultivated origin Oleaceae
15-19 1967 Syringa x hyacinthiflora 'Swarthmore' Swarthmore lilac cultivated origin Oleaceae
15-20 2012 Syringa oblata Korean lilac China, Korea Oleaceae
15-21 1967 Syringa vulgaris 'Charles X' Charles X lilac cultivated origin Oleaceae
15-22 1967 Syringa x prestoniae 'Desdemona' Desdemona lilac cultivated origin Oleaceae
15-23 1967 Syringa vulgaris 'Marie Legraye' Marie Legraye lilac cultivated origin Oleaceae
15-24 1967 Syringa vulgaris 'Belle de Nancy' Belle de Nancy lilac cultivated origin Oleaceae
15-25 1967 Syringa x hyacinthiflora 'Sister Justena' Sister Justena lilac cultivated origin Oleaceae
15-26 1967 Syringa vulgaris 'Charles Joly' Charles Joly lilac cultivated origin Oleaceae
15-27 1981 Syringa SX80-163 lilac cultivated origin Oleaceae
15-28 2012 Acer spicatum mountain maple E N Am Sapindaceae
15-29 1967 Syringa x prestoniae 'Hiawatha' Hiawatha lilac cultivated origin Oleaceae
15-30  
15-31 1967 Syringa x persica Persian lilac cultivated origin Oleaceae
15-32 1979 Syringa SX66-68 lilac cultivated origin Oleaceae
15-33 1967 Syringa vulgaris 'Madam Lemoine' Madam Lemoine lilac cultivated origin Oleaceae
15-34 1967 Syringa josikaea Hungarian lilac Eu Oleaceae
15-35 1967 Syringa x prestoniae 'Nocturne' Nocturne lilac cultivated origin Oleaceae
15-36 1967 Syringa vulgaris 'Ludwig Speath' Ludwig Spaeth lilac cultivated origin Oleaceae
15-37 1967 Syringa villosa late lilac China Oleaceae
15-38 1969 Syringa x hyacinthiflora 'Assessippi' Assessippi lilac cultivated origin Oleaceae
15-39 1968 Syringa x prestoniae 'Miss Canada' Miss Canada lilac cultivated origin Oleaceae
15-40 1968 Syringa vulgaris 'Ethiopia' Ethiopia lilac cultivated origin Oleaceae
16-1 1968 Quercus macrocarpa burr oak C & E N Am Fagaceae
16-2 1975 Fraxinus pennsylvanica var. austinii Austin green ash E N Am Oleaceae
16-2.1  
16-3 1969 Quercus coccinea scarlet oak E USA Fagaceae
16-3.1 2016 Cornus alternifolia pagoda dogwood E N Am Cornaceae
16-4 1979 Fraxinus pennsylvaninca 'Patmore' Patmore ash cultivated origin Oleaceae
16-4.1 2018 Zelkova serrata Japanese zelkova Japan, Korea, E China, Taiwan Ulmaceae
16-5 1991 Malus #88114 crabapple #88114 cultivated origin Rosaceae
16-5.1 2016 Corylus colurna Turkish hazel SE Eu, SW Asia Betulaceae
16-6 1993 Fraxinus hybrid #8922 ash #8922 cultivated origin Oleaceae
16-7 2012 Larix siberica Siberian larch W Russia Pinaceae
16-7.1  
16-8 2014 Picea brachytyla Sargent spruce China Pinaceae
16-8.1 2019 Acer platanoides Norway maple Eu - W Asia Sapindaceae
16-9 1986 Tilia x flavercens 'Wascana' Wascana basswood cultivated origin Malvaceae
16-9.1 2018 Quercus rubra red oak E N Am Fagaceae
16-10 1968 Sorbus aucuparia 'Rossica' Russian mountain-ash cultivated origin Rosaceae
16-10.1 2018 Abies concolor white fir W USA, N Mexico Pinaceae
16-11 2017 Larix decidua European larch Eu Pinaceae
16-11.1 2019 Pinus albicaulis whitebark pine W N Am Pinaceae
16-12 1967 Prunus padus var. commutata 'Dropmore' Dropmore may day cultivated origin Rosaceae
16-12.1 2016 Zanthoxylum americanum northern prickly-ash C – E N Am Rutaceae
16-12.1  
16-13 2013 Pinus resinosa red pine E N Am Pinaceae
16-13.1 2016 Rhus typhina staghorn sumac E N Am Anacardiaceae
17-1 2012 Alnus incana subsp. tenuifolia mountain alder W N Am Betulaceae
17-2 2012 Salix sitchensis sitka willow NW N Am Salicaceae
17-3 2017 Stephanandra incisa 'Crispa' cutleaf stephanandra China, Korea, Japan Rosaceae
17-4 1975 Syringa 'Amoena' amoena lilac cultivated origin Oleaceae
17-5 1970 Syringa vulgaris 'Presiden Lincoln' President Lincoln lilac cultivated origin Oleaceae
17-6 1970 Syringa x hyacinthiflora 'Gertrude Leslie' Gertrude Leslie lilac cultivated origin Oleaceae
17-7 2018 Prunus 'Geddes' Geddes plum cultivated origin Rosaceae
17-8 2007 Syringa yunnanensis Yunnan lilac China Oleaceae
17-9 1974 Syringa reticulata subsp. pekinensis Peking lilac China Oleaceae
17-10 1970 Syringa vulgaris 'Alba Grandiflora' Alba Grandiflora lilac cultivated origin Oleaceae
17-11 1970 Syringa vulgaris 'Primrose' Primrose lilac cultivated origin Oleaceae
17-12 2019 Zanthoxylum americanum northern prickly-ash C – E N Am Rutaceae
17-13 1978 Syringa x prestoniae 'Helen' Helen lilac cultivated origin Oleaceae
17-14 2013 Celtis reticulata netleaf hackberry W USA, Mex Cannabaceae
17-15 2013 Prunus x skinneri 'Baton Rouge' Baton Rouge plum cultivated origin Rosaceae
17-16 2006 Rhamnus pallasii (erythroxylum?) narrow-leaved buckthorn Asia Rhamnaceae
17-17 2012 Forsythia viridissima var. koreana Korean greenstem forsythia Korea Oleaceae
17-18 2012 Forsythia ovata 'Northern Gold' Northern Gold Korean forsythia cultivated origin Oleaceae
17-19 1981 Syringa SX80-164 lilac cultivated origin Oleaceae
17-20 2013 Celtis tenuifolia dwarf hackberry E N Am Cannabaceae
17-21 1970 Syringa x hyacinthiflora 'Evangeline' Evangeline lilac cultivated origin Oleaceae
17-22 1970 Syringa meyeri Meyer lilac N China Oleaceae
17-23 1970 Syringa vulgaris 'Hugo Koster' Hugo Koster lilac cultivated origin Oleaceae
17-24 1981 Syringa SX80-165 lilac cultivated origin Oleaceae
17-25 1970 Syringa velutina (S. pubescens subsp. patula) Manchurian lilac N China, Korea Oleaceae
17-26 1970 Syringa vulgaris 'Montaigne' Montaigne lilac cultivated origin Oleaceae
17-27 1970 Syringa x josiflexa 'Guinevere' Guinevere lilac cultivated origin Oleaceae
17-28 1976 Syringa x hyacinthiflora 'Vauban' Vauban lilac cultivated origin Oleaceae
17-29 1971 Syringa x chinensis 'Saugeana' Saugeana lilac cultivated origin Oleaceae
17-30 2015 Pinus aristata Rocky Mountain bristlecone pine W USA Pinaceae
17-31 1976 Syringa vulgaris 'Jean Mace' Jean Mace lilac cultivated origin Oleaceae
17-32 1976 Syringa vulgaris 'Congo' Congo lilac cultivated origin Oleaceae
17-33 1972 Syringa x hyacinthiflora 'Esther Staley' Esther Staley lilac cultivated origin Oleaceae
17-34 1972 Syringa x prestoniae 'Isabella' Isabella lilac cultivated origin Oleaceae
17-35  
17-36 1972 Syringa vulgaris 'Paul Thirion' Paul Thirion lilac cultivated origin Oleaceae
17-37 1972 Syringa vulgaris 'President Loubet' President Loubet lilac cultivated origin Oleaceae
17-38 1972 Syringa vulgaris 'Reamur' Reamur lilac cultivated origin Oleaceae
17-39 1972 Syringa x josiflexa 'Red Wine' Red Wine lilac cultivated origin Oleaceae
18-1 2013 Fraxinus excelsior European ash Eu – W Asia Oleaceae
18-2 2014 Fraxinus quadrangulata blue ash E N Am Oleaceae
18-3 2014 Ulmus thomasii rock elm E N Am Ulmaceae
18-3 2016 Ulmus thomasii rock elm E N Am Ulmaceae
18-4 1966 Prunus americana wild source plum C & E N Am Rosaceae
18-5 2013 Acer rubrum red maple E N Am Sapindaceae
18-6 2006 Quercus dentata daimio or Japanese emperor oak NE Asia Fagaceae
18-7 1973 Prunus maackii Amur cherry NE Asia Rosaceae
18-8 2018 Pinus strobus white pine E N Am Pinaceae
18-9 2017 Picea schrenkiana Schrenk's spruce C Asia Pinaceae
18-10 2011 Prunus padus European bird cherry N Eurasia Rosaceae
18-11 1980 Prunus virginiana var. melanocarpa 'Maxi Shubert' Maxi Schubert chokecherry cultivated origin Rosaceae
18-12 2019 Pinus flexilis limber pine W N Am Pinaceae
18-13 2017 Pinus nigra subsp. nigra var. caramanica Turkish black pine Turkey, Cypress, Greece Pinaceae
18-14 2006 Gymnocladus dioicus Kentucky coffeetree E N Am Fabaceae
18-15 1968 Maackia amurensis Amur maackia NE Asia Fabaceae
18-15 2014 Maackia amurensis Amur maackia NE Asia Fabaceae
18-16 1973 Shepherdia argentea silver buffaloberry W N Am Rosaceae
18-17 2006 Malus ioensis prairie crabapple E USA Rosaceae
18-18 2015 Larix occidentalis western larch W N Am Pinaceae
18-19 2006 Prunus amurensis x P. cerasus Supervigor cherry cultivated origin Rosaceae
18-20 2014 Pinus leucodermis (heldreichii) Bosnian pine Balkans, Italy Pinaceae
18-21 1974 Sorbus tianshanica Tian Shan mountain-ash C Asia Rosaceae
18-21 2018 Sorbus tianshanica Tian Shan mountain-ash C Asia Rosaceae
18-22 2015 Abies grandis grand fir W N Am Pinaceae
18-23 1967 Picea glauca white spruce N N Am Pinaceae
18-24 1975 Pyrus ussuriensis Ussurian pear NE Asia Rosaceae
18-25 2014 Prunus virginiana var. melanocarpa 'Shubert' Schubert chokecherry cultivated origin Rosaceae
18-26 2018 Prunus virginiana chokecherry N Am Rosaceae
19-1 2014 Salix pedicellaris bog willow N N Am Salicaceae
19-2 1996 Cornus #9119 dogwood #9119 cultivated origin Cornaceae
19-3 2019 Viburnun dentatum arrowwood viburnum E N Am Adoxaceae
19-4 1966 Cornus sericea 'Baileyi' Bailey dogwood cultivated origin Cornaceae
19-5 1966 Cornus bretschneideri Bretschneider dogwood China Cornaceae
19-6 1979 Cornus 'Johnson' Johnson dogwood cultivated origin Cornaceae
19-7 1966 Cornus stolonifera red-osier dogwood N N Am Cornaceae
19-8 1966 Cornus stolonifera var. coloradensis yellowtwig dogwood N N Am Cornaceae
19-9 1966 Cornus stolonifera 'Flaviramea' goldentwig dogwood cultivated origin Cornaceae
19-10 1966 Cornus alba 'Sibirica' Siberian dogwood NE Asia Cornaceae
19-11 2008 Prunus spinosa sloe or blackthorn Eu - W Asia Rosaceae
19-12 2007 Prunus tomentosa Nanking cherry E Asia Rosaceae
19-13 2006 Prunus pumila var. besseyi western sandcherry C N Am Rosaceae
19-14 2013 Juniperus monosperma one-seed juniper SW USA Cupressaceae
19-15 1973 Cornus stolonifera 'Isanti' Isanti red-osier dogwood cultivated origin Cornaceae
19-16 2009 Juniperus virginiana eastern redcedar, red juniper E N Am Cupressaceae
19-17 1974 Cornus sericea red-osier dogwood N N Am Cornaceae
19-18 2012 Juniperus chinensis Chinese juniper NE Asia Cupressaceae
19-19 2011 Juniperus osteosperma Utah Juniper SW USA Cupressaceae
19-19 2012 Juniperus osteosperma Utah Juniper SW USA Cupressaceae
19-20 2013 Juniperus scopulorum Rocky Mountain juniper W N Am Cupressaceae
19-21 1966 Prunus tenella dwarf Russian almond SE Eu – W Asia Rosaceae
19-22 1966 Prunus triloba 'Multiplex' double flowering plum cultivated origin Rosaceae
19-23 1966 Cotoneaster lucidus hedge cotoneaster C Asia Rosaceae
19-24 2013 Prunus 'Eileen' Eileen flowering plum cultivated origin Rosaceae
19-25 2014 Prunus virginiana 'Mini Shubert' Mini Shubert chokecherry cultivated origin Rosaceae
19-26 2014 Pinus bungeana lacebark pine China Pinaceae
19-27 2009 Prunus 'Patterson Pride' Patterson Pride plum cultivated origin Rosaceae
19-28 1966 Cotoneaster integerrimus European cotoneaster Eu - W Asia Rosaceae
19-29 1966 Cotoneaster lucidus hedge cotoneaster C Asia Rosaceae
19-30 1966 Cotoneaster melanocarpus blackfruit cotoneaster E Eu – E Asia Rosaceae
19-31  
19-32  
19-33 1970 Cotoneaster tomentosus brickberry cotoneaster Eu Rosaceae
19-34 2014 Pinus albicaulis whitebark pine W N Am Pinaceae
19-35 1976 Syringa 'Minuet' Minuet lilac cultivated origin Oleaceae
19-36 1974 Syringa vulgaris 'Toussaint L'Ouverture' Toussaint L'Ouverture lilac cultivated origin Oleaceae
19-37 2007 Securinega suffruticosa fountain bush E Asia Euphorbiaceae
19-38 2011 Acer campestre field maple Eu - W Asia Sapindaceae
19-39 2010 Philadelphus microphyllus littleleaf mockorange W USA Hydrangeaceae
19-40 2011 Acer glabrum subsp. douglasii Douglas maple W N Am Sapindaceae
19-41 1973 Syringa patula 'Miss Kim' Miss Kim lilac cultivated origin Oleaceae
19-42 2012 Acer pensylvanicum striped maple E N Am Sapindaceae
19-43 2011 Acer pseudosieboldianum Korean maple NE Asia Sapindaceae
19-44 2015 Syringa wolfii Wolf's lilac China, Korea, Russia Oleaceae
19-45 1973 Syringa 'Cheyenne' Cheyenne lilac cultivated origin Oleaceae
19-46 1973 Syringa x hyacinthiflora 'Blue Hyacinth' Blue Hyacinth lilac cultivated origin Oleaceae
19-47 1973 Syringa reticulata subsp. amurensis Amur lilac NE Asia Oleaceae
19-48 1974 Syringa vulgaris 'Jacques Callot' Jacques Callot lilac cultivated origin Oleaceae
20-1 1971 Picea pungens 'Moerheimi' Moerheim blue spruce cultivated origin Pinaceae
20-2 2013 Thuja occidentalis American arborvitae E N Am Cupressaceae
20-3 1972 Picea abies 'Borealis' Boreal Norway spruce cultivated origin Pinaceae
20-4 2013 Pinus peuce Macedonian pine SE Eu Pinaceae
20-4.01 2019 Symphoricarpos oreophilus mountain snowberry W N Am, Mexico Caprifoliaceae
20-4.1 2017 Pinus mugo subsp. uncinata mountain pine Eu Pinaceae
20-4.2  
20-5 1966 Abies balsamea balsam fir NE N Am Pinaceae
20-5.0 2019 Pinus pumila dwarf Siberian pine NE Asia Pinaceae
20-5.1 2017 Abies lasiocarpa var. arizonica corkbark fir SW USA Pinaceae
20-5.2 2017 Chamaebatiaria millefolium fernbush W N Am Rosaceae
20-6 1999 Picea engelmanii Englemann spruce W N Am Pinaceae
20-7 1996 Larix gmelini Dahurian larch E Siberia Pinaceae
20-8 1966 Pinus banksiana jack pine N & E N Am Pinaceae
20-8.1 2016 Rhododendron dauricum Dahurian rhododendron NE Asia Ericaceae
20-9 1966 Pinus cembra Swiss stone pine C Eu Pinaceae
20-10 1966 Pinus contorta var. contorta shore pine coastal W N Am Pinaceae
20-10.1 2019 Pinus albicaulis whitebark pine W N Am Pinaceae
20-11 2014 Abies nephrolepis Khingan or Manchurian fir NE Asia Pinaceae
20-11.1 2019 Sorbus americana American mountain-ash E N Am Rosaceae
20-12 1966 Pinus ponderosa ponderosa pine W N Am Pinaceae
20-12.1  
20-13 1966 Pinus sylvestris Scots pine Eurasia Pinaceae
21-1 1984 Rosa 'Cardinette' (or 'Centennial') Cardinette rose cultivated origin Rosaceae
21-2 1966 Rosa 'Athabasca' Athabaska rose cultivated origin Rosaceae
21-3 2019 Spiraea tomentosa Steeplebush E N Am Rosaceae
21-4 1979 Rosa rugosa hybrid Will Alderman rose cultivated origin Rosaceae
21-5 1966 Rosa 'Kilwinning' Kilwinning rose cultivated origin Rosaceae
21-7 1978 Rosa SX76-6 Harrison's yellow rose cultivated origin Rosaceae
21-8 2000 Rosa 'William Baffin' William Baffin rose cultivated origin Rosaceae
21-9 1977 Rosa FO1 SX77-39 rose cultivated origin Rosaceae
21-10 1977 Rosa 'John Cabot' John Cabot rose cultivated origin Rosaceae
21-11 2009 Rosa glauca redleaf rose C Eu Rosaceae
21-12 2007 Rosa pimpinellifoia burnet rose Eu – N Afr Rosaceae
21-13 2018 Dasyphora (Pentaphylloides) parviflora Small-leaved Kurile tea Siberia, C Asia Rosaceae
21-14 2019 Cotinus coggygria Eurasian smoketree Europe – N China Anacardiaceae
21-15 1995 Rosa CVX6 Morden Snow Beauty rose (?) cultivated origin Rosaceae
21-16 2018 Halimodendron halodendron salt tree C. Asia to Altai Mts. Fabaceae
21-17 1991 Rosa 'Morden Ruby' Morden Ruby rose cultivated origin Rosaceae
21-18 1990 Rosa 'J. P. Connell' J.P. Connell rose cultivated origin Rosaceae
21-19 1966 Rosa 'Therese Bugnet' Therese Bugnet rose cultivated origin Rosaceae
21-20 1984 Rosa 77J3E004 rose cultivated origin Rosaceae
21-21 2018 Caragana korshinskii Korshinsk caragana N. China, Mongolia Fabaceae
21-22 1966 Rosa 'Wasagaming' Wasagaming rose cultivated origin Rosaceae
21-22.1 2014 Rosa rugosa rugosa rose NE Asia Rosaceae
21-23 1990 Rosa 'Prairie Joy' Prairie Joy rose cultivated origin Rosaceae
21-24 2012 Rosa canina dog rose Eu – W Asia, N Afr Rosaceae
21-25 1994 Rosa foliolosa white prairie rose S Central USA Rosaceae
21-27  
21-28 1990 Rosa 73846001 J5 (Prairie Magic) rose cultivated origin Rosaceae
21-29 1966 Rosa 'Alison' Alison rose cultivated origin Rosaceae
21-30 1991 Rosa 'Martin frobisher' Martin Frobisher rose cultivated origin Rosaceae
21-31 1991 Rosa 'Henry Hudson' Henry Hudson rose cultivated origin Rosaceae
21-32 1966 Rosa 'Beauty of Dropmore' Beauty of Dropmore rose cultivated origin Rosaceae
21-33 1991 Rosa 'Jens Munk' Jens Munk rose cultivated origin Rosaceae
21-34 2017 Shepherdia canadensis Canada buffaloberry W & N N Am Eleagnaceae
21-35 2013 Sibiraea laevigata sibiraea E Asia, SE Eu Rosaceae
21-36 2018 Eleagnus sp. eleagnus Eleagnaceae
21-37 2013 Buxus microphylla var. koreana Korean boxwood Korea Buxaceae
21-38 2017 Sedum populifolium Poplar-leaved sedum Siberia Crassulaceae
21-38.1  
21-39  
21-39.1  
21-40  
21-41 1977 Syringa x prestoniae 'Calphurnia' Calphurnia lilac cultivated origin Oleaceae
21-42 1981 Syringa SX80-166 lilac cultivated origin Oleaceae
21-43 1966 Rosa gallica grandiflora Alika rose cultivated origin Rosaceae
21-44 1977 Syringa vulgaris 'Monge' Monge lilac cultivated origin Oleaceae
21-45 1981 Syringa SX80-167 lilac cultivated origin Oleaceae
21-46 2014 Linnea borealis twinflower N Am, Europe, Asia Caprifoliaceae
21-47 1981 Syringa SX80-168 lilac cultivated origin Oleaceae
21-48 1981 Syringa SX80-169 lilac cultivated origin Oleaceae
22-1 2018 Quercus alba white oak E N Am Fagaceae
22-1.1 2019 Crataegus pinnatifida Mountain or Chinese hawthorn China, Korea Rosaceae
22-2 1967 Picea pungens Colorado spruce W USA Pinaceae
22-2.1 2017 Pinus siberica Siberian pine N Asia Pinaceae
22-3 1979 Picea abies 'Maxwellii' Maxwell spruce cultivated origin Pinaceae
22-3.1 2018 Sorbus aria (hybrid?) common whitebeam Eu - W Asia Rosaceae
22-4 1969 Picea pungens 'Glauca' Colorado blue spruce cultivated origin Pinaceae
22-4.2 2019 Pinus parviflora Japanese white pine Japan Pinaceae
22-4.3 2017 Jamesia americana waxflower SW USA Hydrangeaceae
22-5 2006 Pinus tabulaeformis Chinese red pine China Pinaceae
22-5.0  
22-5.1 2016 Cotinus obovatus American smoketree S Central USA Anacardiaceae
22-5.1 2016 Cotinus obovatus American smoketree S Central USA Anacardiaceae
22-5.2 2017 Sibiraea altaiensis Sibiraea Russia, Kazakhstan Rosaceae
22-6 2006 Abies lasiocarpa subalpine fir W N Am Pinaceae
22-7 1966 Picea glauca var. densata Black Hills white spruce C USA Pinaceae
22-8 1967 Picea asperata Chinese or dragon spruce China Pinaceae
22-8.1  
22-9 2011 Larix decidua European larch Eu Pinaceae
22-9.1  
22-10 1968 Picea pungens 'Hoopsii' Hoopsi blue spruce cultivated origin Pinaceae
22-11 1968 Salix pentandra laurel-leaved willow Eu - W Asia Salicaceae
22-11.1 2019 Sorbus siberica (aucuparia) Siberian mountain-ash E Asia (Eu-Asia) Rosaceae
22-12 1968 Salix 'Blakley's Weeping' Blakley's Weeping willow cultivated origin Salicaceae
22-13 2019 Prunus mandshurica Manchurian apricot China, Korea Rosaceae
22-13.1 2018 Comptonia peregrina sweetfern E N Am Myricaceae
23-1  
23-2 2010 Hippophae rhamnoides seabuckthorn (female) Eu – C Asia Eleagnaceae
23-3 2008 Hippophae rhamnoides seabuckthorn (male) Eu – C Asia Eleagnaceae
23-4 1966 Caragana frutex 'Globosa' Globe caragana cultivated origin Fabaceae
23-5 2019 Spiraea myrtilloides China China Rosaceae
23-6 2019 Ribes alpinum 'Pumilum' dwarf alpine currant cultivated origin Grossulariaceae
23-7 1966 Caragana frutex 'Globosa' Globe caragana cultivated origin Fabaceae
23-8 2013 Crataegus sp. (floribunda?) hawthorn Rosaceae
23-9 2012 Caragana arborescens 'Sutherland' Sutherland caragana cultivated origin Fabaceae
23-10  
23-11 1967 Caragana brevispina shortspine caragana C Asia Fabaceae
23-12 2018 Philadelphus lewisii Lewis’ mockorange W N Am Hydrangeaceae
23-13 2019 Rosa rubiginosa sweetbrier rose Eu - W Asia Rosaceae
23-14 2014 Caragana microphylla littleleaf peashrub E Asia Fabaceae
23-15 1968 Caragana frutex shrubby caragana Eu – C Asia Fabaceae
23-16 2014 Caragana spinosa caragana C - NE Asia Fabaceae
23-17 1970 Caragana aurantiaca Koehne caragana C Asia Fabaceae
23-18 2018 Microbiota decussata microbiota or Russian arborvitae Ussuri region, Russia Cupressaceae
23-19 2015 Caragana arborescens Siberian peashrub C - NE Asia Fabaceae
23-20 2002 Rosa laxa hybrida rose cultivated origin Rosaceae
23-21 2002 Rosa Kusui rose cultivated origin Rosaceae
23-22 2002 Rosa Kasu rose cultivated origin Rosaceae
23-23 2010 Rosa acicularis prickly rose N N Am - N Eurasia Rosaceae
23-24 2018 Sorbus sitchensis western mountain-ash NW N Am Rosaceae
23-25 2017 Rosa majalis cinnamon rose N Eurasia Rosaceae
23-26 2018 Rosa arkansana prairie rose C N Am Rosaceae
23-27 1973 Rosa nitida shining rose NE N Am Rosaceae
23-28 1999 Rosa 'Frontenac' Frontenac rose cultivated origin Rosaceae
23-29 1968 Rosa 'Victory Year' Victory Year rose cultivated origin Rosaceae
23-30 1981 Rosa 'Morden Centennial' Morden Centennial rose cultivated origin Rosaceae
23-31 1990 Rosa 72846001 J5 (Prairie Magic) cultivated origin Rosaceae
23-32 1980 Rosa 'Hazeldean' Hazeldean rose cultivated origin Rosaceae
23-33  
23-34 2015 Rosa 'Kakwa' Kakwa rose cultivated origin Rosaceae
23-35 1966 Sorbaria sorbifolia Ural falsespirea C & E Asia Rosaceae
23-36 2019 Rosa mollis downy rose Eu -W Asia Rosaceae
23-37 1970 Sorbaria 'Aurora' Aurora falsespirea cultivated origin Rosaceae
23-38 2012 Rosa xanthina yellow rose N China, Korea Rosaceae
23-39 1967 Rosa 'Escara Vash' Escara Vash rose cultivated origin Rosaceae
23-40 1967 Rosa 'Fanny Heath' Fanny Heath rose cultivated origin Rosaceae
23-41 2006 Rosa villosa (pomifera) apple rose Eu - W Asia Rosaceae
23-42 1999 Rosa 'George Vancouver' George Vancouver rose cultivated origin Rosaceae
23-43 1972 Rosa 'Marie Bugnet' Marie Bugnet rose cultivated origin Rosaceae
23-44 1999 Rosa 'Louis Joillet' Louis Joillet rose cultivated origin Rosaceae
23-45 2012 Artemesia abrotatum southern wormwood Eu Asteraceae
23-46 2011 Empetrum nigrum black crowberry N N Am – N Asia Ericaceae
23-47  
23-48 2017 Artemesia cana silver sagebrush W N Am Asteraceae
24-1 2009 Salix nigra black willow E N Am Salicaceae
24-1.1 2011 Salix sp. willow Salicaceae
24-2 1966 Salix acutifolia sharpleaf willow C & E Asia Salicaceae
24-2.1 2019 Fraxinus nigra black ash E N Am Oleaceae
24-3  
24-3.1 2018 Acer grandidentatum bigtooth or canyon maple W USA, Mex Sapindaceae
24-4 1994 Acer ginnala x tataricum maple cultivated origin Sapindaceae
24-4.1 2009 Acer triflorum three-flowered maple E Asia Sapindaceae
24-5 1966 Salix alba 'Chermesina' redstem willow cultivated origin Salicaceae
24-5.1 2009 Acer mandshuricum Manchurian maple E Asia Sapindaceae
24-6 1993 Acer tataricum Tatarian maple Eu, W Asia Sapindaceae
24-7 2006 Pinus sylvestris var. mongolica Mongolian pine E Asia Pinaceae
24-7.0 2017 Amorpha canescens leadplant C N Am Fabaceae
24-7.1 2009 Picea abies 'Christina' Christina columnar spruce cultivated origin Pinaceae
24-7.2 2017 Cercocarpus montanus Alder-leaf cercocarpus W USA, N Mexico Rosaceae
24-8 2013 Pinus siberica Siberian pine Siberia Pinaceae
24-8.0 2017 Juniperus siberica (J. communis var. saxatilis) alpine juniper C Asia Cupressaceae
24-8.1 2006 Pinus sylvestris 'Fastigata' sentinel pine cultivated origin Pinaceae
24-9 2018 Tilia maximowicziana linden Japan, Kuril Is. Malvaceae
24-9.1 2013 Acer truncatum Shantung maple N China Sapindaceae
24-10 2013 Larix olgensis Olga Bay larch NE Asia Pinaceae
24-10.1 2006 Pinus mugo ssp. uncinata mountain pine W Eu Pinaceae
24-11 2010 Pinus nigra Austrian pine C & SE Eu Pinaceae
24-11.1 2019 Picea likiangensis Lijiang spruce China Pinaceae
24-12 2015 Pinus sp. pine Pinaceae
24-12.1 2014 Pinus strobiformis southwestern white pine S USA, Mexico Pinaceae
24-13 2009 Quercus alba white oak E N Am Fagaceae
24-13.1 1966 Elaeagnus commutata silverberry or wolf willow W- C N Am Eleagnaceae
25-1 1990 Populus 78101 'Prairie Sky' Prairie Sky poplar cultivated origin Salicaceae
25-1.1 2019 Populus trichocarpa black cottonwood W N Am Salicaceae
25-2 1972 Populus x acuminata Rydberg's smooth bark cottonwood C N Am Salicaceae
25-2.1 2019 Crataegus douglasii black hawthorn W N Am Rosaceae
25-3 1993 Fraxinus hybrid 8921 Ash #8921 cultivated origin Oleaceae
25-3.1 2012 Pinus flexilis limber pine W N Am Pinaceae
25-4 2008 Pinus koraiensis Korean pine NE Asia Pinaceae
25-4.1 2011 Thuja koraiensis Korean arborvitae China, Korea Cupressaceae
25-5 1974 Populus 44-55 Hill (Walker) poplar cultivated origin Salicaceae
25-5.1 1967 Prunus virginiana var. melanocarpa 'Copper Shubert' Copper Shubert chokecherry cultivated origin Rosaceae
25-6 1985 Populus columnar 77312 columnar poplar #77312 cultivated origin Salicaceae
25-6.1 2014 Elaeagnus angustifolia Russian-olive W & C Asia Eleagnaceae
25-7 2009 Abies holophylla needle fir E Asia Pinaceae
25-7.1 2013 Picea omorika Serbian spruce SE Eu Pinaceae
25-8 1968 Populus deltoides plains cottonwood C N Am Salicaceae
25-9 1975 Populus trichocarpa black cottonwood W N Am Salicaceae
25-9.1 2014 Quercus gambelii Gambel oak SW USA Fagaceae
25-10 2007 Pinus contorta var. latifolia lodgepole pine W N Am Pinaceae
25-10.1 2009 Larix laricina tamarack N & E N Am Pinaceae
25-11 1995 Populus 'Manitou' Manitou poplar cultivated origin Salicaceae
25-12 1996 Populus 'Mann' Mann poplar cultivated origin Salicaceae