ABS List of North American plants used for Bonsai

American Bonsai Society

 

List of North American  Native plants

used for Bonsai

 

This Document is a Native plant listing of North America and surrounding areas covered by the ABS organization.   We make every attempt to keep this list up to date with membership involvement and reporting. If you are an ABS member and have natives that you're working with that are not reported or new to a regional location, please make a report by going to the ABS forum by clicking here. The minimum information that you should report is the botanical name of the plant, your location (see below for location codes) and a picture of the bonsai tree if you have one.

 

Help ABS create the  BEST Bonsai Library on the Planet

 

 Last updated - 01/15/12

 

Added code definitions

 

Added to Reported

Vitis rotundifolia (Muscadine grape)

Moved from Un-reported to Reported

 

Added to Un-reported

Juniperus pinchotii (Pinchot's juniper)

ABS member location code format is "xxxyy" examples: 5w, 6ae, 10m etc...

x = growing zone

y = Continent location

Continent and region locations

e  = Eastern US and Canada from Atlantic coast to Mississippi river

c  = Central US and Canada from Mississippi river to the Rockies

w  = Western US and Canada from Rockies to Pacific coast (includes Alaska and Hawaii)

m  = Mexico

pr  = Puerto Rico

vi  = Virgin Islands

 

Plant Name codes

" " = cultivated variety

var = natural varietals

subsp = sub-species

 

Plant status

(*) = native populations under urban or commercial stress

 

Reported being used by an ABS member

(botanical name, common name, ABS member location with trees)

 Abies balsamea (Balsam fir) zones 4e

USDA  - photo Gymnosperm database species account

ABS photo gallery

Abies grandis (Grand fir) zones 5w

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Abies lasiocarpa (Sub-alpine fir) zones 5w, 7w (some difficulty in 5w)

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Acalypha gaumeri (No common name known) zones 10m, 11m

Global biodiversity record

ABS photo gallery

Acer circinatum (Western vine maple) zone 5w, 7w

USDA - Photo USDA species account

ABS   photo gallery

Acer glabrum (Rocky mountain maple) zones 5w

USDA - PhotoLady Bird Johnson center  species account

ABS   photo gallery

Acer rubrum (Eastern red maple) zones-5ae, 6ae, 7e,9ac

USDA - Photo USDA species account

ABS   photo gallery

Acer rubrum var. drumondii (drumonds maple) zones-6ae

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Acer saccharum (Sugar Maple) zones-5e

USDA - Photo USDA species account

ABS   photo gallery

Aesculus californica (California Buckeye) zones - 6ae, 9w

USDA - photo Jepson Flora Project species account

ABS photo gallery

Image 1

Amelanchier alnifolia (Saskatoon serviceberry) zones-4c, 5c

USDA - Photo Wikipedia species account

ABS   photo gallery

Amelanchier humilis (Low serviceberry) zones-4c, 5c

USDA - Photo USDA species account

ABS   photo gallery

Amelanchier laevis (Service berry) zones-5ae, 5w

USDA - Photo USDA species account

ABS   photo gallery

Arctostaphylos hookeri - (Monterey Manzanita) zones - 9w

USDA - Photo Ladybird Johnson Center Species Account

ABS Photo gallery

Image 1

Avicennia germinans (Black mangrove) Zones - 11M

USDA photoLady  Bird Johnson Center species account

ABS photo gallery

Image 1

Berbis canadensis (Canadian Barberry) zones - 7e

USDA photo eFloras species account

ABS photo

Image 1 

Betula nana (Dwarf arctic birch) zones-5e

USDA - PhotoLady Bird Johnson Center  species account

ABS   photo gallery

Bonellia macrocarpa (common name unknown) zones- 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Bursera simaruba (Gumbo-limbo) zones 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Bursera schlechtendalii (common name unknown) zones 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Bucida spinosa (Spiny Black Olive) zones 10m, 11m, 11e

Tropicos Botanical record

ABS   photo gallery

Bucida molinetii (syn for Bucida spinosa)

Tropicos Botanical record

ABS   photo gallery

Bunchosia glandulosa (Café forastero) zone 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Callitropsis nootkatensis (Nookta false cypress)

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Carpinus caroliniana ( American hornbeam) zones 7e

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Celastrus scandens (American bittersweet) zones 6ae

USDA - Photo Lady Bird Johnson center species account

ABS   photo gallery

Celtis ehrenbergiana (spiny hackberry) zones 8w

USDA - record Lady Bird Johnson center species account

ABS photo gallery

Celtis laevigata (Sugar berry) zones 5e, 6ae

USDA - Photo USDA species account

ABS   photo gallery

Celtis occidentalis (Common hackberry) 6ae

USDA - Photo USDA species account

ABS   photo gallery

Celtis pallida - see Celtis ehrenbergiana

Cercis canadensis (Eastern redbud) zones 5ae, 6ae

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Ceiba pentandra (Kapok tree) zones 11pr, 11vi

USDA - Photo USDA species account

ABS   photo gallery

Cephalanthus occidentalis (Buttonbush) zones-6e, 7e, 8e

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Chamacyparis nootkatensis see - Callitropsis nootkatensis

Chamaecyparis thyoidies (white cedar) Zones - 7e

USDA photo species account

ABS photo

Image 1 

Cladrastis kentuckea (American yellow wood) zones-5ae

USDA - Photo Lady bird Johnson center species account

ABS photo gallery

Clethra alnifolia (Summer sweet) zones - 7e

USDA photo species account

ABS photo

Image 1 

Conocarpus erectus (Buttonwood) zones - 9ac,11m

USDA - PhotoLady Bird Johnson center  species account

ABS   photo gallery

Image 1

Image 2

Image 3

Crataegus marshallii (Parsley hawthorn) zones 9c

USDA - PhotoLady Bird Johnson  center  species account

ABS   photo gallery

Image 1 

Cretagus phaenopyrum (Washington hawthorn) zones-5e

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Cupressus nootkatensis see Callitropisis nootkatensis

Cuphea gaumeri (common name unknown) zones-10m, 11m

Tropicos Botanical record

ABS   photo gallery

Dasiphora fruticosa (shrubby cinquefoil) zones 9aw

USDA - Photo Burk Musieum  species account

ABS   photo gallery

Diospyros anisandra (Kakalché or Xkaché) zones 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Diospyros texana (Texas persimmon) zones-9ac

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

Diphysa carthagenensis (Common name unknown) zones 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Ebenopsis ebano (Texas ebony) zones-9ac

USDA - Photo  Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

Elaeagnus commutata (American silverberry) Zones-

USDA - Photo USDA species account

ABS   photo gallery

Image1

Enriquebeltrania crenatifolia (Common name unknown) zones 10m, 11m

Tropicos Botanical record

ABS   photo gallery

Eysenhardtia texana (Texas Kidneywood)

USDA photo Lady Bird Johnson center species account

ABS photo gallery

Image 1

Fagus grandifolia (Eastern beech) zones 7e

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Ficus cotinifolia (Common name unknown) zones-10m, 11m

Tropicos Botanical record

ABS   photo gallery

Forestiera shrevei (Desert olive) zones 8bw (Flourishes in 8bw)

USDA - Photo species account

ABS   photo gallery

Fothergilla gardenii (Dwarf fothergilla) Zones - 6e

USDA photo Lady Bird Johnson center species account

ABS photo

Image 1

Gossypium hirsutum (Upland cotton) zones-10m, 11m

Tropicos Botanical record

ABS   photo gallery

Guettarda elliptica (Hammock velvet seed) zones-10m, 11m

USDA - Photo  US forest service species account

ABS   photo gallery

Haematoxylum campechianum (Logwood) zones-10m, 11m

USDA - Photo  wikipedia species account

ABS   photo gallery

Ilex vomitoria (Eastern yaupon holly) zones-7ae, 8bw, 9a

USDA - Photo Lady Bird Johnson center species account

ABS   photo gallery

Image 1 - species

Image 2 - "Nana"

Itea virginica (Virginia Sweetspire) zones - 7e

USDA photo Lady Bird Johnson center species account

ABS photo

Image 1 - species

Jacquinia macrocarpa - see Bonellia macrocarpa

Juniperus ashei (Ashe juniper) zones-7ac, 8ac

USDA - Photo Gymnoserm database  species account

ABS   photo gallery

Image 1

Image 2

Juniperus californica (California juniper) zones - 9w

USDA - Photo Jepson flora project species account

ABS   photo gallery

Image 1

Image 2

(*)Juniperus communis (Common Juniper) Zones - 6e

Threatened in (IL, IN, KY,MD, OH)

USDA photo Lady Bird Johnson center species account

ABS photo

Image 1 - var depressa

Juniperus deppeana (Aligator juniper) zones 9ac, 9aw

USDA - Photo USDA species account

ABS   photo gallery

Juniperus horizontalis (Creeping juniper) (cv - bar harbor,) zones 8bw, 9aw

USDA - Photo eFloras species account

ABS   photo gallery

Juniperus monosperma (One seed juniper) zones 6ae, 7c, 7ac, 8bw

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Image 1

Juniperus occidentalis (Western juniper) Zones-6be

USDA - Photo  Gymnosperm database species account

ABS   photo gallery

Juniperus occidentalis subsp. australis (Western sierra Juniper) zones-9w

USDA - Photo  Gymnosperm database species account

ABS   photo gallery

Juniperus osteosperma (Utah juniper) zones-4c, 5c

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Juniperus scopulorum (Rocky mountain juniper) zones 7c, 7ac, 9aw

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Junierus virginiana (Eastern red cedar) zones-5ae, 6ae, 7e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Image 2

(*) Kalmia latifolia (Eastern mountain laurel) zones- 6ae, 7e (Slow decline reported in 6ae, 7e)

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

(*) Larix laricina (American larch) zones 5c, 5e, 5w

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Larix occidentalis (Western larch) zones-5w

USDA - Photo USDA species account

ABS   photo gallery

Larrea divaricata (see Larrea tridentate)

Larrea tridentata (Creosote bush) zones 8bw

USDA - Photo USDA species account

ABS   photo gallery

Leucaena leucocephala (White lead tree) zones 10m, 11m

USDA - Photo  species account

ABS   photo gallery

Liquidambar styraciflua(Sweet-gum)   zones-5e

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Lyonia lucdia (fetterbush lyonia) zones- 7e, 8e

USDA - photo Lady Bird Johnson center  Species account

ABS photo gallery

Image 1

Lyonia ligustrina (Maleberry) zones - 7e

USDA photo Lady Bird Johnson center speices account

ABS photo

Image 1

Maclura pomifera (Osage-orange) (e) zones-5e, 7e, 8e

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Malpighia punicifolia (Common name unknown) zones 10m, 11m

Tropicos Botanical record Photo  species account

ABS   photo gallery

(*)Morus rubra (Eastern mulberry) zones 6ae

Threatened in (CT, MA, MI, VT)

USDA - Photo USDA species account

ABS   photo gallery

Image 1

Mimosa bahamensis (Common name unknown) zones 10m, 11m

Tropicos Botanical record  Photo  species account

ABS   photo gallery

Ostrya virginiana (Hop-hornbeam) zones-5e

USDA - Photo USDA species account

ABS   photo gallery

Parmentiera millspaughiana (Common name unknown) zones-10m, 11m

Tropicos  Botanical record Photo  species account

ABS   photo gallery

(*)Physocarpus opulifolius (Mountain ninebark) zones-5e (requires redesign often)

Threatened in (FL, NY)

USDA - Photo USDA species account

ABS   photo gallery

Picea engelmannii (Engelmann spruce) zones 5e, 5w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Picea glauca (White spruce) zones-5e, 6ae

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Image 1  -"Conica" - root-over-rock

Image 2 - "Conica" - upright forest

Image 3 - var densata

Picea mariana (Black spruce) (cv nana) zones 5e, 6ae

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Picea pungens (Colorado blue spruce) (cv - glauca) zones 5w, 9aw

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus albicaulis (White bark pine) zone 5w, 7w (struggling reported in 5w and7w)

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus banksiana (Jack pine) zone 5e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus cembroides (Mexican pinyon pine) zones-7w, 8bw, 9aw

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Pinus contorta (Lodgepole pine) zones-5w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

 Pinus contorta subsp contorta (shore pine) zones - 5w

Gymnosperm database species account

ABS photo galery

Pinus echinata (Shortleaf pine) zones- 6ae

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus edulis (Pinyon pine) zones-6ae, 7w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus flexilis (Limber pine) zones-4c, 5c

USDA - Photo Gymnosperm database species account

ABS   photo gallery

Image 1

Image 2

Pinus leiophylla (Chihuahuan pine) zones-8bw, 9aw

USDA - Photo Gymnosperm databse  species account

ABS   photo gallery

Pinus monticola (Western white pine) zone-5w, 7w (struggling reported in 5w and 7w)

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus ponderosa (Ponderosa pine) zones-5w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Pinus pungens (Table mountain pine) zones- 6ae

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pinus rigida (Eastern pitch pine) zones-5e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Pinus strobus (Eastern White pine) zones-7e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Pinus virginiana (Virginia scrub pine) zones-6ae, 7e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Pisonia aculeata (Pullback) zones-11e, 10m, 11m

USDA - Photo  species account

ABS   photo gallery

Pithecellobium flexicaule see - Ebenopsis ebano (Name has changed)

Planatus occidentalis (American sycamore) zones-5ae

Wikipedia  species account

ABS   photo gallery

(*)Planera aquatica (Water elm) zones - 7e, 8e

Threatened in (IL)

USDA Photo Lady Bird Johnson center species account

ABS photo gallery

Image 1

Potentilla fruticosa see Dasiphora fruticosa (Name has changed)

Prunus angustifolia (Chickasaw plum) zones-6ae, 9ae

USDA - Photo Lady Bird Johnsons center  species account

ABS   photo gallery

Image 1

(*)Prunus Pensylvanica (Pin cherry) zones-4c, 5c

Threatened in (IN)

USDA - Photo USDA species account

ABS   photo gallery

(*)Prunus virginiana (Choke cherry) zones-4c, 5c

Threatened in (TN)

USDA - Photo USDA species account

ABS   photo gallery

Pseudotsuga menziesii (Douglas fir) zones-5w

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Quercus agrifolia (California live oak) zones-8bw, 9aw

USDA - Photo USDA species account

ABS   photo gallery

Quercus virginiana (Southern live oak) zones-5e

USDA - Photo USDA species account

ABS   photo gallery

Randia obcordata (Common name unknown) zones-10m, 11m

Tropicos Botanical record species account

ABS   photo gallery

Randia truncate (Common name unknown) zones-10m, 11m

ABS   photo gallery

Rhus trilobata (Skunkbush sumac) zones-4c, 5c

USDA - Photo USDA species account

ABS   photo gallery

(*)Ribes cereum (Wax currant) zones-4c, 5c

Threatened in (WA)

USDA - Photo USDA species account

ABS   photo gallery

Rosa palustris (Swamp rose) zones-6e

USDA - Photo Lady Bird Johnson  center  species account

ABS   photo gallery

Image 1

(*)Salix bebbiana (diamond Willow) zones-4c, 5c

Threatened in (MD)

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Sequoia sempervirens (California redwood) zones-6ae, 9aw

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

(*)Shepherdia canadensis (Russet Buffaloberry) zones-4c, 5c

Threatened in (IL, IN,ME,PA)

USDA - Photo USDA species account

ABS   photo gallery

Taxodium ascendens (Pond Cypress) zones-9e

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

Taxodium distichum (Bald Cypress) zones-7e, 9ae

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Taxodium mucronatum (Montezuma bald cypress) zones-10m, 11m

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

(*)Thuja occidentalis (Eastern white cedar) zones-5e

Threatened in (CT,IL,IN,KY,MD,MA,NJ,TN)

USDA -  Photo Gymnosperm database  species account

ABS Care guide

ABS   photo gallery

Image 1

Image 2

Thuja Plicata (Western red cedar) zones - 5w

Gymnosperm database species account

ABS photo gallery

Tsuga Canadensis (Canadian hemlock) zones-7e

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Tsuga heterophylla (Western hemlock) zones-5w, 7w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Tsuga mertensiana (Mountain hemlock) zones-7w

USDA - Photo Gymnosperm database  species account

ABS   photo gallery

Image 1

Toxicodendron radicans (Poison ivy) zones-4e, 5ae, 6ae

USDA - Photo USDA species account

ABS   photo gallery

Ulmus alata (Winged elm) zones- 5c, 6ac, 6ae, 9ac

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

Ulmus Americana (American elm) zones - 6ae, 7c

USDA - Photo USDA species account

ABS   photo gallery

Image 1

(*)Ulmus crassifolia (Cedar elm) zones-5e, , 7c, 9ac

Threatened in (TN)

USDA - Photo Lady Bird Johnson center  species account

ABS   photo gallery

Image 1

(*)Ulmus rubra (Slippery elm) zones-6ae

Threatened in (ME,RI)

USDA - Photo USDA species account

ABS   photo gallery

(*)Ulmus thomasii (Rock elm) zones - 6e

USDA - Photo 

Endangered (IL) Threathened (NY, OH)

ABS photo gallery

(*)Vaccinium corymbosum (Highbush blueberry) (cv - north blue, top hat) zones-6e

Threatened in (IL)

USDA - Photo USDA species account

ABS   photo gallery

Vaccinium virgatum(Smallflower or rabbiteye blueberry) zones - 7e

USDA - Species account Wikipedia - species account

ABS - photo gallery

Vitex rotundifolia ( Roundleaf Chastetree) zones - 10w

University of Hawaii species account

ABS photo gallery

Image 1

Vitis rotundifoia (Muscadine grape) zones - 9e

USDA Species account

ABS photo gallery

Vitis mustangensis (Texas grape) zones - 7c

USDA photo Lady Bird Johnson center species account

ABS Photo Gallery

Image 1

Ziziphus yucatanensis (Common name unknown) zones-10m, 11

ABS   photo gallery

 

 

 

 

 

Not Reported

(botanical name, common name, variety or cultivar, continent code most likely found in)

Acer nigrum (Black maple) (e)

Acer pensylvanicum (Striped maple) (e)

Acer spicatum (Mountain maple) (e)

Arbutus unedo (Strawberry tree) (w)

Betula nigra (River birch) (e)

Callicarpa americana (American beautyberry) (e)

Castanea dentata (American chestnut) (e)

Ceanothus (any species) (w)

Cercis occidentalis (Western redbud) (w)

Cornus racemosa (Gray dogwood) (e)

Corylus americana (American filbert) (e)

Corylus cornuta (Beaked filbert) (e)

Cotinus obovatus (American smoke tree) (e)

Crataegus x anomala (Arnold hawthorn) (e)

Crataegus x arnoldiana see Crataegus x anomala (hybrid intricata x mollis)

Crataegus cocciniodies (Kansas hawthorn) (c)

Crataegus intricata (Thicket hawthorn) (e)

Crataegus mollis (Downy hawthorn) (e)

Crataegus nitida (Glossy Hawthorn) (e)

Crataegus pruinosa (Frosted Hawthorn) (e)

Crataegus punctata (Dotted hawthorn) (e)

Crataegus succulenta (Fleshy hawthorn) (e)

Crataegus viridis (Green hawthorn) (e)

Cupressus bakeri (Modoc cypress) (w)

(*)Cupressus macrocarpa (Monterey cypress) (w)

Threatened in (CA)

Diospyros   virginiana(Eastern persimmon)   (e)

Fothergilla gardenia (Dwarf fothergilla) (e)

Fothergilla major (Large fothergilla) (e)

Fothergilla mononitcola (Alabama fothergilla) (e)

Franklinia alatamaha (Franklinia) (e)

Garrya eliptica (Silk-tassel) (w)

Garrya fremontii (Femont Silk-tassel) (w)

Garrya wrightii (Wright Silk-tassel) (w)

Gleditsia_triacanthos (Honey Locust) (e)

Halesia Carolina (Carolina silverbell) (e)

Halesia   monticola (Mountain silverbell) (e)

Hamamelis vernalis (Vernal witch-hazel) (c)

Hamamelis virginiana (Common witch-hazel) (e)

Heteromeles arbutifolia (Toyon) (w)

Ilex decidua (possum haw) (e)

Ilex glabra (Inkberry) (e)

Ilex laevigata (Smooth winterberry) (e)

Ilex verticillata (Eastern winterberry) (e)

Juniperus pinchotii (Pinchot's Juniper) (c)

Ligustrum ovalifolium (California privet) (e,c,w)

Lindera benzoin (Spicebush) (e)

Lithocarpus densiflorus (Tanbark oak) (w)

Magnolia virginiana (Sweet bay magnolia) (e)

Morus microphylla (Texas mulberry (c)

Nyssa sylvatica (Blackgum) (e)

Oxydendrum arboreum (Sorrel-tree) (e)

Ostrya knowltonii (Knoltons hophornbeam) (c)

Populus tremuloides (Quaking aspen) (w)

Prunus Americana (American plum) (e)

Prunus besseyi (Western sand cherry) (w)

Prunus illicifolia (California holly-leaf cherry) (w)

Prunus nigra (Canadian or Black plum) (e)

Prunus pumila (Sand cherry) (e)

Quercus chrysolepis (Canyon live oak) (w)

Quercus douglasii (Blue oak) (w)

Quercus dumosa (California scrub oak) (e)

Quercus emoryi (Emory oak) (w)

Quercus engelmannii (Mesa oak) (w)

Quercus gambelii (Rocky mountain white oak) (w)

Quercus kelloggii (California black oak) (w)

Quercus lobata (California white oak) (w)

Quercus vaccinifolia (Huckleberry oak) (w)

Quercus wislizenii (Interior live oak) (w)

Rhamnus caroliniana (Carolina buckthorn) (e)

Rhododendron arborescens (Sweet azalea) (e)

Rhododendron atlanticum (Coast azalea) (e)

Rhododendron calendulaceum (Flame azalea) (e)

Rhododendron canadense (Rhodora) (e)

Rhododendron carolinianum (Carolina rhododendron) (e)

Rhododendron catawbiense (Catawaba rhododendron) (e)

Rhododendron occidentale (Western azalea) (w)

Rosa arkansana (Arknasas rose) (e)

Rosa californica (California rose) (w)

Rosa carolina (Carolina rose) (e)

Rosa virginiana (Virginia rose) (e)

(*)Sorbus americana (Mountain Ash) (e)

Threatened in (IL)

Stewartia ovata (Mountain stewartia) (e)

(*)Taxus brevifolia (Pacific yew) (w)

Threatened in (CA, OR, WA)

Taxus canadensis (Canada yew) (e)

Ulmus thomasii (Rock elm) (e)

Umbellularia californica (California bay) (w)

Vitis californica (California grape) (w)

Vitis lambrusca (Fox grape) (e)

Vitis riparia (Riverbank grape) (e)

Wisteria frutescens (American wisteria) (e)