State Rank Reason (see State Rank above)
Numerous collections at MONTU from a large number of counties. High elevation habitat mostly currently secure. Many collections from established wilderness.
Stems ascending to erect, 15–80 cm. Herbage scabrous. Leaves bipinnate; leaflets lanceolate to ovate, 1–4 cm long, sharply serrate, veiny. Umbels: rays unequal, 1–8 cm long; involucre absent; involucel bracts linear, 2–9 mm long or absent. Flowers white to pink; petals barely 1 mm long. Mericarps scabrous, elliptic, 4–6 mm long; ribs thick, winged, the lateral barely wider than the dorsal (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Non-calcareous, talus slopes and rocky soil of meadows, open forest; subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)