Toxicodendron radicans, commonly known as eastern poison ivy or poison ivy, is a poisonous Asian and Eastern North American flowering plant that is well-known for causing Urushiol-induced contact dermatitis, an itchy, irritating, and sometimes painful rash in most people who touch it. It is caused by urushiol, a clear liquid compound in the plant's sap. The species is variable in its appearance and habit, and despite its common name it is not a true ivy (Hedera) (Wikipedia)

Rhus typhina, the staghorn sumac, is a species of flowering plant in the family Anacardiaceae, native to eastern North America. It is primarily found in southeastern Canada, the northeastern and midwestern United States and the Appalachian Mountains, but is widely cultivated as an ornamental throughout the temperate world. (Wikipedia)

Toxicodendron diversilobum (syn. Rhus diversiloba), commonly named Pacific poison oak or western poison oak, is a woody vine or shrub in the Anacardiaceae (sumac) family. It is widely distributed in western North America, inhabiting conifer and mixed broadleaf forests, woodlands, grasslands, and chaparral biomes. Peak flowering occurs in May. Like other members of the Toxicodendron genus, T. diversilobum causes itching and allergic rashes in many h (Wikipedia)

Rhus aromatica, the fragrant sumac, is a deciduous shrub in the family Anacardiaceae native to Canada and the United States from southeast Ontario to Vermont down into central Florida to west Texas up through Nebraska over to southern Wisconsin back to Ontario. It grows in upland open woods, fields, barrens, and rocky cliffs. (Wikipedia)

Rhus integrifolia, also known as lemonade sumac, lemonade berry, or lemonadeberry, is a shrub to small tree. It is native to the Transverse and Peninsular Ranges and the South Coast regions of Southern California. This extends from Santa Barbara County and the Channel Islands to San Diego County and extending into north-central Pacific coastal Baja California and its offshore islands such as Cedros Island. (Wikipedia)

Toxicodendron rydbergii the western poison ivy, is a species of Toxicodendron in the cashew family. It is native to most of Canada from the Maritimes to British Columbia, and most of the contiguous United States except the southeastern states, New Jersey, Delaware, and California. It can be found growing in forests, and other wooded areas, usually near streams and rivers. (Wikipedia)

Malosma is a plant genus which contains only a single species, Malosma laurina, with the common names laurel sumac and lentisco (Spanish). Malosma laurina is found along the Southern California and Baja California Peninsula coasts of the Pacific Ocean. (Wikipedia)

Rhus trilobata is a shrub in the sumac genus (Rhus) with the common names skunkbush sumac, sourberry, skunkbush, and three-leaf sumac. It is native to the western half of Canada and the Western United States, from the Great Plains to California and south through Arizona extending into northern Mexico. It can be found from deserts to mountain peaks up to about 7,000 feet (2,100 m) in elevation. (Wikipedia)

Rhus virens is a species of flowering plant in the mango family, Anacardiaceae, that is native to Arizona, southern New Mexico, and Texas in the United States as well as northern and central Mexico as far south as Oaxaca. It is commonly known as the evergreen sumac or tobacco sumac. (Wikipedia)

Searsia lancea commonly known as karee, "karree" (Afrikaans), "hlokoshiyne" (isiZulu), "umhlakotshane" (amaXhosa), or "mokalaabata" (Northern Sotho), is an evergreen, frost hardy, drought resistant tree, which can reach up to 8 metres in height with a 5 metre spread. In North America, where it is naturalized, it is known as African sumac and willow rhus. It is one of the most common trees on the Highveld and in the Bushveld in South Africa, but not found in... (Wikipedia)

Rhus chinensis, the Chinese sumac, or nutgall tree, is a plant species in the genus Rhus. (Wikipedia)

Searsia lucida, previously known as Rhus lucida, and other names varnished kuni-rhus (English) blinktaaibos (Afrikaans). This small tree has a distribution along the West Coast of South Africa from Saldanha Bay around the Cape and up the East Coast almost until the Mozambique border. Its distribution area also encompasses the whole of Kwazulu-Natal and stretches in an arm past Swaziland, right up the Lowveld areas of Mpumalanga and into Limpopo Province, almost (Wikipedia)

Rhus microphylla, the littleleaf sumac, desert sumac, correosa, or agritos, is a species of sumac in the family Anacardiaceae, native to North America, in the southwestern United States and northern and central Mexico, from central and western Texas, southern New Mexico, central and northern regions of the Mexican Altiplano-(Mexican Plateau), and extreme southeastern Arizona of the Madrean Sky Islands. (Wikipedia)

Searsia pyroides, previously known as Rhus pyroides, (common currant-rhus English, gewone taaibos Afrikaans, nhlokoshiyane isiZulu) is a species of Searsia, native to southern Africa. This tree occurs throughout the whole of South Africa, a part of Botswana, Zimbabwe and Tanzania and in some areas of Namibia near Windhoek. (Wikipedia)