Aquatic and Wetland Vascular Plants of the Northern Great Plains
49. Asteraceae, the Aster Family
8. Erigeron L. -- Fleabane
1. Erigeron lonchophyllus Hook
Shallowly fibrous-rooted biennial or shortlived perennial 1-4 dm tall; stems
1-few, spreading-hirsute. Leaves oblanceolate or linear-oblanceolate
and petiolate at the base to linear and sessile above, not clasping, 4-14 cm
long, 1-5 mm wide, acute, entire, hirsute on the margins. Heads few to
many in a rather strict inflorescence, 1-1.5 cm across; involucres 6-9
mm high, the bracts hirsute, outer ones shorter than the inner; rays
numerous, inconspicuous, white, turning brown at the tips with age, very narrow,
0.1-0.2 mm wide, about equaling to slightly exceeding the involucre; disk
corollas exceeded by the pappus bristles. Jul--Sep. Wet meadows, seepage
areas and boggy places; occasional from nw to ec ND and in w SD; (Que. and Ont.
to AK, s to ND, NM, UT and CA).