USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Aquatic and Wetland Vascular Plants of the Northern Great Plains

Erigeron L. -- Fleabane


Biennial to perennial herbs with simple, alternate leaves. Heads radiate, hemispheric, few to many in a terminal inflorescence; involucral bracts in 1 or 2 series, linear, equal or the outer ones a little shorter, hyaline at the tip and on the margins above, green in the middle and at the base; receptacle flat to slightly convex; outer 1-few rows of florets pistillate, with narrow, white to pink ligules 0.1-0.6 mm wide; disk florets perfect, their corollas yellow; style branches flattened, the appendages short, obtuse or acute. Achenes 2- to 4-nerved; pappus of 20-30 capillary bristles.

Lead Characteristic Go To
1 Leaves not clasping; rays inconspicuous. E. lonchophyllus
1 Leaves auriculate-clasping; rays conspicuous. E. philadelphicus


49. Asteraceae, the Aster Family
8. Erigeron L. -- Fleabane
1. Erigeron lonchophyllus Hook
2. Erigeron philadelphicus L. -- Philadelphia fleabane


Return to Family -- Asteraceae - The Aster Family
Return to Contents

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/vascplnt/generige.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:38:12 EST
Menlo Park, CA [caww54]