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Prairie Fleabane, Lesser Daisy Fleabane - Erigeron strigosus


Family: Asteraceae - Aster family Genus Common Name: Fleabane Native Status: Native
Erigeron strigosus - Prairie Fleabane, Lesser Daisy Fleabane. There are 191 species in the Erigeron genus, with some species being found in only a single state. Prairie Fleabane is one of the more widespread species, found in all but 6 states. It is a native plant in both the continental United States and in Canada.

Erigeron strigosus is generally 2 to 3 feet tall, branching with many white-rayed, yellow-centered blossoms. It blooms from mid- to late spring on through most of the summer months. It is differentiated from the earlier blooming Philadelphia Fleabane (E. Philadelphicus) by narrower leaves which do not clasp the stem. It is differentiated from similar Eastern Daisy Fleabane (E. Annuus) by being less hairy, and rarely having toothed leaves. It is also less leafy than Eastern Daisy Fleabane.

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Erigeron strigosus

Distribution of Erigeron strigosus in the United States and Canada:
USDA Plants Distribution Map temporarily unavailable.
Blue=Native; Grey=Introduced

Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 16 Aug 2017). National Plant Data Team, Greensboro, NC 27401-4901 USA.

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Site: Walker County, GA Date: 2010-May-22Photographer: Gerald C. Williamson
Like almost all Erigeron species, Prairie Fleabane has numerous ray flowers and yellow disk flowers. E.strigosus has fewer than 100 ray flowers, a characteristic it shares with very similar Eastern Daisy Fleabane (E. Annuus).
Erigeron strigosus

Site: Walker County, GA Date: 2010-May-22Photographer: Gerald C Williamson
Nikon D60
Tamron SP 90MM f/2.8 AF Macro
Prairie Fleabane has lanceolate leaves which do not clasp the stem. The stem usually has short hairs which lie near the stem. Similar Eastern Daisy Fleabane has longer hairs along the stem (especially the lower stem) which stand erect.
Click on the photo for a larger image
Erigeron strigosus

Site: Walker County, GA Date: 2010-May-22Photographer: Gerald C Williamson
Nikon D60
Tamron SP 90MM f/2.8 AF Macro
Prairie Fleabane may grow singly but is also frequently found in colonies. Because many blossoms grow on each plant, there can be large patches of tangled plants with many attractive blossoms.
Click on the photo for a larger image
Erigeron strigosus

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2017
Photographs Copyright owned by the named photographer