Skip Navigation

Species Search:
FieldGuides threatened and/or endangeredsearch results
Sort by:
View as:

Treesthreatened and/or endangeredUntoothed Simple Leavesthreatened and/or endangeredAll families

1-40 of 124 Trees page: 1  | 2  | 3  | >>
Ginkgo biloba

Very large deciduous tree. Crown angular. Branches long, erratic. Bark gray, furrowed. Leaves gre… read more

Flame Acanthus
Anisacanthus quadrifidus var. wrightii

Flame Acanthus is a spreading, 3 ft. deciduous shrub with exfoliating bark; red-orange, tubular flow… read more

Desert Honeysuckle
Anisacanthus thurberi

read more

American Smoketree
Cotinus obovatus

Upright, small tree or multi-trunked shrub, growing 15-30 ft. tall. Leaves deciduous, alternate, si… read more

Laurel Sumac
Malosma laurina (Rhus laurina)

read more

Mangifera indica

read more

Lemonade Berry
Rhus integrifolia

read more

Poison Ivy
Toxicodendron radicans (Rhus radicans)

Poison ivy (older synonyms are Rhus toxicodendron and Rhus radicans), is a poisonous North American … read more

Western Poison Ivy
Toxicodendron rydbergii (Toxicodendron radicans var. rydbergii)

Toxicodendron rydbergii (syn. Rhus rydbergii; Western Poison-ivy) is native to most of the United St… read more

Common Pawpaw
Asimina triloba

The pawpaw is native to the Midwest, Southern and Eastern United States and adjacent southernmost On… read more

Mountain Winterberry
Ilex montana

This holly species is native to the United States, ranging along the Appalachian Mountains from sout… read more

Silver Sagebrush
Artemisia filifolia

A semi-evergreen shrub with feathery, silver-blue foliage. The graceful, windswept form is compact … read more

Prairie Sagebrush
Artemisia frigida

This is a low-spreading, semi-evergreen shrub, with numerous stems arising from a woody base to 18 i… read more

Artemisia ludoviciana

A species of sagebrush known by several common names, including silver wormwood, Louisiana wormwood,… read more

Chrysactinia mexicana

Damiantia is a 1-2 ft., bushy, low-growing shrub with stems rising in a mounded or bouquet form from… read more

Ericameria nauseosa ssp. nauseosa var. nauseosa (Chrysothamnus nauseosa ssp. nauseosa var. nauseosa)

Rabbitbrush is a 2-5 ft., deciduous shrub with aromatic, blue-green, feathery foliage and dense clus… read more

Blue Mistflower
Eupatorium odoratum

Blue Mistflower or Crucita is a deciduous sub-shrub in North America. (It is a shrub in the tropics… read more

Parthenium incanum

The deciduous shrub Mariola is intricately branched from the base and reaches a height of 1 1/2-3 ft… read more

Japanese Barberry
Berberis thunbergii

Introduced. A thorny, deciduous shrub from Asia with grooved, brown to purplish-brown branches and s… read more

Southern Catalpa
Catalpa bignonioides

Native to the southeastern United States in Alabama, Florida, Georgia, Louisiana, and Mississippi. C… read more

Northern Catalpa
Catalpa speciosa

Catalpa speciosa, commonly known as the northern catalpa, hardy catalpa, western catalpa, cigar tree… read more

Ehretia anacua

Sub-tropical evergreen tree, often with suckers or multiple trunks. Leaves large, black-green, oval… read more

Eastern Sweetshrub
Calycanthus floridus

Eastern Sweetshrub or Carolina Allspice is a 6-12 ft., deciduous shrub with glossy, aromatic, leathe… read more

Western Sweetshrub
Calycanthus occidentalis

A mound-shaped, deciduous shrub, Western Sweetshrub grows 6-15 ft. tall, with erect, multiple stems … read more

White Honeysuckle
Lonicera albiflora

Usually a 4 ft. shrub, the long, graceful, sometimes twining branches of white honeysuckle can reach… read more

Amur Honeysuckle
Lonicera maackii

Also called bush honeysuckle, this plant is native to temperate eastern Asia. It has escaped from cu… read more

Morrow's Honeysuckle
Lonicera morrowii

Introduced. A hollow-twigged erect shrub that is widely considered a noxious or invasive pest.
He… read more

Tatarian Honeysuckle
Lonicera tatarica

Lonicera tatarica is native to Siberia and eastern Asia. Introduced to North America as an ornamenta… read more

Bell's Honeysuckle
Lonicera x bella

Non-native. A large, spreading, hybrid Eurasian shrub that is considered a noxious or invasive pest … read more

Coast Red Elderberry
Sambucus racemosa ssp. pubens var. arborescens

A large, sometimes tree-like, colony-forming shrub with fragrant clusters of white flowers that prod… read more

Black Elderberry
Sambucus racemosa var. melanocarpa

A small, colony-forming shrub with fragrant clusters of white flowers that produce black berries. L… read more

Common Snowberry
Symphoricarpos albus

Symphoricarpos albus is native to North America, where it occurs across much of Canada and the north… read more

Symphoricarpos orbiculatus

This small, mound-shaped, deciduous shrub, usually grows to 4 ft. but can reach 6 ft. Its smooth, d… read more

European Highbush Cranberry
Viburnum opulus var. opulus

Viburnum opulus (Guelder Rose, Water Elder, European Cranberrybush, Cramp Bark, Snowball Tree) is na… read more

Strawberry Bush
Euonymus americana (Euonymus americanus)

Euonymus americanus is commonly referred to as Strawberry Bush, Bursting Hearts or John Baptiste - P… read more

Running Strawberry Bush
Euonymus obovata

Running Strawberry Bush or Running Euonymus is a trailing, woodland ground cover which may grow to 1… read more

Russian Thistle
Salsola kali and Salsola tragus (Salsola iberica)

Kali tragus (Synonym Salsola tragus) is a species of flowering plant in the amaranth family known by… read more

Hypericum hypericoides ssp. hypericoides (Ascyrum hypericoides)

Pairs of small, oval leaves line the sparse, ascending to spreading branches of this 1-3 ft. shrubby… read more

Shrubby St.-John's-wort
Hypericum prolificum

Shrubby St.-John's-wort is a very small, mound-shaped, deciduous shrub, to 3 ft. tall, with dense, u… read more

Alternate-leaf Dogwood
Cornus alternifolia

Also known as pagoda dogwood, this species is native to eastern North America, from Newfoundland wes… read more

1-40 of 124 Trees page: 1  | 2  | 3  | >>