Family:
Apiaceae
Toxins:
glycosides
Flower Color:
  • flower color
  • flower color
Type:
herb
Found:
fields, wetlands, waterside, upland

Time of Greatest Risk

JFMAMJJASOND

Geographical Distribution

Rangers button distribution - United States

Related Species

Rangers Button

Sphenosciadium

White Heads, Woolyhead Parsnip, Swamp Whiteheads, Button Parsley
4/ 10
Ranger's button (Sphenosciadium capitellatum) is an upright perennial herb of the Carrot (Apiaceae) plant family. It is a flowering plant that is native to western North America, growing in moist areas such as streambanks, wetlands, wet meadows, as well as forests often at high elevations. Ranger's buttons has numerous compact clusters of tiny white or purple-tinged flowers (umbels), resembling fuzzy buttons protruding out from separate hairy branches.

Toxic components
All parts of Ranger's button are toxic to all livestock, including horses but is rarely eaten. It is known to cause photosensitivity if brushed up against.