Type - Trees

Human Product Number - 172

Veterinary Product Number - 172

Comments: There are some 1000 species of acacia in the world, and Australia (where most of them are called “wattles”) and Africa (including the “umbrella thorn” seen in many wildlife...

Type - Other

Human Product Number - 145

Veterinary Product Number - 145

Comments: Alfalfa is an herbaceous, perennial legume grown as hay (especially for dairy cattle), to a great extent as forage, and to a lesser degree as a human food (such...

Type - Weeds

Human Product Number - 202

Veterinary Product Number - 202

Comments: Allscale is a slow-growing evergreen shrub that reaches 3.5 to 7 feet in height and roughly the same in diameter. The branches are gray to yellowish-brown. The bark sheds...

Type - Weeds

Human Product Number - 199

Veterinary Product Number -

Comments: Annual Saltbush flowers summer into early fall. It is found in alkaline or saline habitats, often along roadsides, in undisturbed fields, and in vacant lots. It is an annual...

Type - Trees

Human Product Number - 255

Veterinary Product Number - 255

Comments: This is the common cottonwood of the southwestern quarter of the US, and is quite similar to its close relatives the eastern and plains cottonwoods. The name cottonwood refers...

Type - Trees

Human Product Number - 256

Veterinary Product Number - 256

Comments: This oak is the “white oak” of the southern Rocky Mountain region. It is usually a small tree or a large shrub, and it grows in foothills and canyons,...

Type - Trees

Human Product Number - 204

Veterinary Product Number - 204

Comments: Arizona ash, also known as velvet ash, is a species found in moist areas near streams or moist canyons up to elevations of about 6500'. It becomes a small-...

Type - Trees

Human Product Number - 244

Veterinary Product Number - 244

Comments: There is disagreement as to whether some forms should be varieties of this species or regarded as separate species. In any case, the “typical” form is distributed from southeastern...

Type - Trees

Human Product Number - 75

Veterinary Product Number - 75

Comments: This small tree, also known as quaking aspen because its flattened leafstalks allow the small, triangular, yellow-green leaves to flutter in the slightest breeze, has the widest distribution of...

Type - Grasses

Human Product Number - 231

Veterinary Product Number - 231

Comments: This grass, which is native to Brazil (and named after the eastern state of Bahia), Argentina, Uruguay, and Paraguay, has been introduced into warm areas of the US for...

Type - Trees

Human Product Number - 193

Veterinary Product Number - 193

Comments: Although this species is a conifer, it drops all its leaves in the winter. When it is growing in water or saturated soil, it develops a swollen trunk in...

Type - Trees

Human Product Number - 444

Veterinary Product Number - 444

Comments: There is some disagreement as to the western border of the range of this species because of the status and distinctness of the closely related balsam poplar, found mainly...

Type - Trees

Human Product Number - 196

Veterinary Product Number - 196

Comments: This eucalyptus, also known as Tasmanian blue gum, is one of the hardier species that develop into large trees; thus, it has found California to be a suitable home...

Type - Weeds

Human Product Number - 42

Veterinary Product Number - 42

Comments: This species was introduced to America from Eurasia as an ornamental because of its bright red autumn coloration (and sometimes called “burning bush”). It has found some use as...

Type - Weeds

Human Product Number - 213

Veterinary Product Number - 213

Comments: This shrub of the hot deserts (Mojave, Sonoran, and Chihuahuan) is usually found below an elevation of 4000 feet. It is also known as white burrobrush and cheeseweed, the...

Type - Weeds

Human Product Number - 44

Veterinary Product Number - 44

Comments: This species is a common plant along roadsides, cultivated fields, or along streams in much of the central part of the US. It may grow to be 6 feet...

Type - Trees

Human Product Number - 222

Veterinary Product Number - 222

Comments: California black walnut, also known as California walnut or Southern California black walnut, is a rather small tree up to about 30 feet in height usually found in the...

Type - Trees

Human Product Number - 195

Veterinary Product Number - 195

Comments: California live oak, also known as coast live oak, is a picturesque species that often forms open woodlands against the grassy hills and valleys of the coastal ranges of...

Type - Trees

Human Product Number - 179

Veterinary Product Number - 179

Comments: Cedar elm receives its common name because it often grows with the mountain cedar (Juniperus ashei) in central Texas. It is sometimes called fall blooming elm because it is...

Type - Weeds

Human Product Number - 61

Veterinary Product Number - 61

Comments: This widespread shrub, also known as “big sagebrush” or “basin sagebrush,” is perhaps the most characteristic species covering the valleys of the Intermountain West. It typically grows to be...

Type - Grasses

Human Product Number - 149

Veterinary Product Number - 149

Comments: Corn, also known as maize, is the most important field crop in America and is grown on every continent except Antarctica. It was introduced from Mexico to the United...

Type - Other

Human Product Number - 21

Veterinary Product Number - 21

Comments: The cultivated oat, originally from Eurasia (probably western Europe), was introduced to North America in 1602, and is cultivated mostly as a feed for animals but about 5% is...

Type - Other

Human Product Number - 23

Veterinary Product Number - 23

Comments: Cultivated rye, originally from S Europe and SW Asia, was introduced to North America, and is cultivated as a cereal crop. It grows mostly in the north central states...

Type - Other

Human Product Number - 31

Veterinary Product Number - 31

Comments: Cultivated wheat, also known as common or bread wheat, was introduced to North America. It is originally from the Fertile Crescent of SW Asia where it was first cultivated....

Type - Other

Human Product Number - 158

Veterinary Product Number - 158

Comments: Ox-eye daisy is a perennial native to temperate Eurasia and has become established in much of North America. It has been introduced as an ornamental, but essentially all parts...

Type - Other

Human Product Number - 159

Veterinary Product Number - 159

Comments: This well-known plant is a familiar sign of spring and the bane of those who fastidiously maintain their lawns. It has colonized much of the planet although a Eurasian...

Type - Weeds

Human Product Number - 272

Veterinary Product Number - 272

Comments: This species, also known as bursage or burrobrush, is a very common low-growing, grayish-white shrub of the Mojave, Colorado, and Arizona Deserts, usually occurring below elevations of 3000 feet...

Type - Weeds

Human Product Number - 184

Veterinary Product Number - 184

Comments: This species reaches its best development on the coastal plains, and is most often found on undisturbed sandy soils although it can grow on a variety of sites. Although...

Type - Trees

Human Product Number - 210

Veterinary Product Number - 210

Comments: English walnut (also known as Persian walnut) is native from southeastern Europe eastward through the Himalayan region to China. It grows to be a large rounded tree to some...

Type - Weeds

Human Product Number - 185

Veterinary Product Number - 185

Comments: This native species is a common weedy plant. In addition to its aggressiveness in establishing itself along roadsides and the allergenicity of its pollen, the seeds are contained in...

Type - Grasses

Human Product Number - 264

Veterinary Product Number - 264

Comments: Giant Wild Ryegrass is an evergreen grass that grows 3-10 feet tall and 2-8 feet wide. It is drought tolerant, has no fragrance, and can be easily contained despite...

Type - Weeds

Human Product Number - 37

Veterinary Product Number - 37

Comments: Goldenrod is a familiar wildflower of the late summer and autumn, and it lends its bright yellow color to many fields, pastures, and roadsides. There are over 100 species...

Type - Weeds

Human Product Number - 212

Veterinary Product Number - 212

Comments: This plant, also known as pickleweed, is a native woody shrub having succulent twigs with scalelike leaves that grows to about 3 feet in height. It is restricted to...

Type - Weeds

Human Product Number -

Veterinary Product Number -

Comments: This species, known by several other common names such as big saltbush, is a grayish-green, evergreen shrub usually found in and bordering the Mojave and Sonoran Deserts, below 4500...

Type - Trees

Human Product Number - 177

Veterinary Product Number - 177

Comments: Lombardy’s poplar is a cultivar of the European black poplar that has a characteristic columnar or fastigiate shape. It is a male clone that originated in Lombardy, northern Italy,...

Type - Trees

Human Product Number - 257

Veterinary Product Number - 257

Comments: Introduced to and naturalized in Hawaii and southern Florida and currently under cultivation in southern and central California, this tree is a source of the delicious mango fruit. There...

Type - Trees

Human Product Number - 221

Veterinary Product Number - 221

Comments: This small exotic tree, introduced from Australia where it is known as paperbark, has aggressively established itself throughout much of the area between the center of Florida and Lake...

Type - Trees

Human Product Number - 83

Veterinary Product Number - 83

Comments: This species, also known as ashe juniper, is essentially restricted to dry open areas underlain by limestone, and is a very conspicuous species in the “Hill Country” of Texas,...

Type - Trees

Human Product Number - 123

Veterinary Product Number - 123

Comments: Olive is a large shrub or small evergreen tree cultivated for thousands of years in the Mediterranean region, where it is native. It was introduced into the US, but...

Type - Trees

Human Product Number - 243

Veterinary Product Number - 243

Comments: This species has a wide distribution in the interior Southwest, centered in New Mexico where it forms extensive woodlands with pinyon pine and wavyleaf oak, but mingling with other...

Type - Trees

Human Product Number - 247

Veterinary Product Number - 247

Comments: The orange, which is probably native to southeastern Asia or adjacent regions, has been introduced into Florida and California, and it is also grown in warmer parts of Arizona,...

Type - Trees

Human Product Number - 73

Veterinary Product Number - 73

Comments: Oregon ash is a species found near streams and other moist areas. In the southern and hence drier parts of its range, its distribution is limited to sources of...

Type - Trees

Human Product Number - AM0338

Veterinary Product Number -

Comments: The Palo Verde is a rapidly growing perennial shrub or tree and grows to 32-39 feet at maturity and has a large canopy. It is primarily found in the...

Type - Trees

Human Product Number - 127

Veterinary Product Number - 127

Comments: This hickory is famous for its tasty nuts. As the most commercially important, nut-bearing tree in the US, pecan has been introduced into several eastern states, particularly southwestern Georgia,...

Type - Trees

Human Product Number - 258

Veterinary Product Number - 258

Comments: Introduced and naturalized in California and occasionally other areas in the southwestern US, this pepper tree is native to Peru. Pepper tree has hanging compound leaves with narrow leaflets...

Type - Trees

Human Product Number - 478

Veterinary Product Number - 478

Comments: This tree is occasionally called western yellow pine. Although it is widely distributed in the western half of the US, there are many areas within this range where the...

Type - Weeds

Human Product Number - 48

Veterinary Product Number - 48

Comments: This native “subshrub” or perennial forb having a woody base is also known as white sagebrush in addition to dozens of other names, and there are several varieties found...

Type - Trees

Human Product Number - 216

Veterinary Product Number - 216

Comments: The Queen Palm is not native to North America but has been introduced to select areas of the US as a popular ornamental garden tree. It is a fast-growing,...

Type - Weeds

Human Product Number - 238

Veterinary Product Number - 238

Comments: The Rabbit Bush shrub grows in desert habitats and is one of the most abundant plants in the Arizona Sonoran Desert, growing on steep, rocky slopes. The Rabbit Bush...

Type - Trees

Human Product Number - 217

Veterinary Product Number - 217

Comments: The rapidly growing red alder, the largest native alder, may exceed 75 feet in height and is the most abundant hardwood in much of the region west of the...

Type - Other

Human Product Number - 146

Veterinary Product Number - 146

Comments: This clover is a conspicuous perennial because of its dark pink or magenta flower heads nearly an inch in diameter and comprised of as many as 125 florets. Red...

Type - Trees

Human Product Number - 280

Veterinary Product Number - 280

Comments: Rocky Mountain juniper is most abundant in the Rocky Mountains as the name suggests, but it has a spotty distribution in many other areas from well within the Great...

Type - Trees

Human Product Number - 479

Veterinary Product Number - 479

Comments: Russian olive, also known as oleaster, is native to southern Europe and central Asia. It is a shrub or small tree that was introduced to North America as an...

Type - Trees

Human Product Number - 242

Veterinary Product Number - 242

Comments: Tamarix or salt cedar, of which several very similar species are naturalized in the US, was brought from southern Europe to establish windbreaks, stabilize streamside soil, and use as...

Type - Trees

Human Product Number - 102

Veterinary Product Number - 102

Comments: This hickory, also called big shellbark or king nut hickory, has a certain degree of shagginess to its bark, but the most obvious features are the gigantic nuts and...

Type - Trees

Human Product Number - 93

Veterinary Product Number - 93

Comments: The Siberian Elm is a medium-sized, quickly growing tree introduced into North America during the 1860s from northeastern Asia because of its ability to withstand the extreme winter cold,...

Type - Trees

Human Product Number - 426

Veterinary Product Number - 426

Comments: Spring Birch is common in river woodland areas, often occurring in narrow bands along rivers, though they can be found well into sagebrush flats. It is a deciduous tree,...

Type - Other

Human Product Number - 164

Veterinary Product Number - 164

Comments: Sunflower is a familiar flower found growing both in the garden and along the roadside. There are several species grown in gardens, including cultivars having mammoth flower heads. The...

Type - Weeds

Human Product Number - 45

Veterinary Product Number - 45

Comments: This native annual weed reaches its best development in the south central part of the US, especially in the Mississippi Delta region. It may exceed 6 feet in height...

Type - Trees

Human Product Number - 233

Veterinary Product Number - 233

Comments: Utah juniper is the most abundant and widespread juniper between the Continental Divide and the Sierra Nevada, and is the only juniper in most of the Great Basin. In...

Type - Trees

Human Product Number - 111

Veterinary Product Number - 111

Comments: The species, sometimes called honey mesquite, includes a form called western honey mesquite and covers extensive acreage in Texas and the southwestern US. Its presence in Louisiana and Kansas...

Type - Trees

Human Product Number - 116

Veterinary Product Number - 116

Comments: This tree is called “live oak” because of its having evergreen leaves in areas of the country where nearly all other large oaks are deciduous. It is sometimes referred...

Type - Trees

Human Product Number - 88

Veterinary Product Number - 88

Comments: There is some disagreement as to the eastern border of the range of this tree because of the status and distinctness of the closely related eastern cottonwood. Western cottonwood,...

Type - Trees

Human Product Number - 254

Veterinary Product Number - 254

Comments: This species, sometimes called sierra juniper, has a rather extensive range in the West Coast region, and two forms are recognized. One typically is found at moderate elevations of...

Type - Weeds

Human Product Number - 58

Veterinary Product Number - 58

Comments: This species, also known as Perennial Ragweed or Cuman Ragweed, is a native herbaceous species that spreads by rootstocks. It is common along roadsides and in disturbed soil. It...

Type - Trees

Human Product Number - 480

Veterinary Product Number - 480

Comments: Western white pine is an important western timber tree, and it is found from near sea level in the northern part of its range up to 12,000 feet or...

Type - Trees

Human Product Number - 438

Veterinary Product Number - 438

Comments: White alder often forms a clump of small trees, but sometimes an individual tree may have a trunk with a diameter of 12 inches. This species is typically found...

Type - Trees

Human Product Number - 80

Veterinary Product Number - 80

Comments: This birch, also known as gray birch, is a small tree that easily establishes itself and grows well in poor soils, often in pine barrens. It is a short-lived...

Type - Weeds

Human Product Number - 206

Veterinary Product Number - 206

Comments: This species, also known as fourwing saltbush, is a very common, grayish-white shrub found throughout most of the Southwest and northward, occurring from 2000 feet up to 8000 feet...