Family:
Apiaceae
Scientific Name:
Sphenosciadium
Toxins:
glycosides
Flower Color:
Found:
fields, wetlands, waterside, upland

Geographical Distribution

Rangers button distribution - United States

Rangers Button

Sphenosciadium

White heads, Woolyhead Parsnip, Swamp whiteheads, Button Parsley
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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. It is known to cause photosensitivity if brushed up against.