Plants — 23,508 Species

hemp agrimony

Eupatorium cannabinum L.

Eupatorium cannabinum L. is a perennial herb that has toxic pyrrolizidine alkaloids and is used as a styptic in Sikkim folk medicine.

dogfennel

Eupatorium capillifolium (Lam.) Small

Eupatorium capillifolium (dog fennel) is a toxic North American Asteraceae perennial with described morphology and uses.

Coastal Dog Fennel

Eupatorium compositifolium Walter

Eupatorium compositifolium, or yankeeweed, is a North American perennial aster native to the southern US, often considered undesirable in pastures.

ground qalanis

Eupatorium formosanum Hayata

Eupatorium formosanum Hayata is a perennial herb in Asteraceae found in Taiwan and Japan’s Ryukyu Islands.

Torrey's eupatorium

Eupatorium hyssopifolium L.

Eupatorium hyssopifolium, hyssopleaf thoroughwort, is a short fall-blooming herbaceous plant native to North America.

justice-weed

Eupatorium leucolepis (DC.) Torr. & A.Gray

Eupatorium leucolepis is a herbaceous perennial Asteraceae plant native to the eastern coastal US, with scattered inland populations.

Eupatorium lindleyanum DC.

Eupatorium lindleyanum DC.

Semaphore thoroughwort

Eupatorium mikanioides Chapm.

Semaphore thoroughwort (Eupatorium mikanioides) is a Florida-endemic salt-tolerant perennial aster with small white flower heads.

Mohr's thoroughwort

Eupatorium mohrii Greene

Mohr's thoroughwort (Eupatorium mohrii) is a perennial herb in Asteraceae native to the US Southeast and found in the Dominican Republic.

common boneset

Eupatorium perfoliatum L.

Eupatorium perfoliatum, commonly called boneset, is a North American wetland plant with a history of traditional medicinal use.

rough boneset

Eupatorium pilosum Walter

Rough boneset (Eupatorium pilosum) is a rare North American perennial herb in the Asteraceae family native to the US.

round-leaved boneset

Eupatorium rotundifolium L.

Eupatorium rotundifolium L. is a variable North American flowering plant with chemical compounds active against tumor growth in vitro.

smallflower thoroughwort

Eupatorium semiserratum DC.

Eupatorium semiserratum, smallflower thoroughwort, is a North American aster native to the south-central and southeastern US, with anticancer properties against human cancer cell lines.

late boneset

Eupatorium serotinum Michx.

Late boneset (Eupatorium serotinum) is a North American native perennial herb that provides beneficial nectar and alkaloids for monarch butterflies.

upland boneset

Eupatorium sessilifolium L.

Eupatorium sessilifolium, or upland boneset, is a threatened perennial herb found in North American woodlands and prairie remnants.

Torrey's eupatorium

Eupatorium torreyanum Short & Peter

Eupatorium hyssopifolium is a North American native fall-blooming herb with medicinal uses and potential to attract beneficial crop insects.

Abrams' sandmat

Euphorbia abramsiana L.C.Wheeler

Euphorbia abramsiana, also called Abram's spurge or Abram's sandmat, is a Euphorbiaceae plant native to California.

Greek spiny spurge

Euphorbia acanthothamnos Heldr. & Sartori ex Boiss.

Euphorbia acanthothamnos is a 30 cm tall thorny cushion shrub endemic to the eastern Mediterranean, growing on limestone from sea level to over 2000 m.

Whitemargin Sandmat

Euphorbia albomarginata Torr. & A.Gray

Euphorbia albomarginata is a low-growing weedy spurge with distinctive white-ringed burgundy-centered tiny flowers, with historic folk medicinal uses.

wood spurge

Euphorbia amygdaloides L.

Euphorbia amygdaloides (wood spurge) is an evergreen perennial flowering plant native to Europe, Turkey and the Caucasus, often grown as groundcover.

Blackfoot sandmat

Euphorbia angusta Engelm.

Euphorbia angusta Engelm. is an erect branching herb native to limestone habitats in Texas and northern Mexico.

candelilla

Euphorbia antisyphilitica Zucc.

Euphorbia antisyphilitica (candelilla) is a wax-producing, drought-tolerant flowering plant native to the southwestern US and Mexico.

balsam spurge

Euphorbia balsamifera Aiton

Euphorbia balsamifera Aiton is a variable semisucculent spurge native to northwest Africa and the Canaries, with medicinal and traditional culinary uses.

snow-on-the-prairie

Euphorbia bicolor Engelm. & A.Gray

Euphorbia bicolor, or snow on the prairie, is a flowering spurge native to the southern US with irritant sap and studied analgesic extract.