Vascular Plants of North Carolina
Section: Common Name: Scientific Name: Family:
Account for Mouse-ear Hawkweed - Pilosella officinarum   F.W. Schultz & Schultz Bipontinus
Members of Asteraceae:
Members of Pilosella with account distribution info or public map:
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Section 6 » Family Asteraceae
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AuthorF.W. Schultz & Schultz Bipontinus
DistributionMostly in the Mountains; also a few records in the Piedmont east to Wake County. A specimen from Harnett County is actually the native Hieracium venosum. First collected in 1945 at Meredith College in Wake County.

Native of Europe; in N.A. Newf. to Ont. and MN south to GA and TN; also B.C. to OR.
AbundanceUncommon to infrequent in the Mountains, rare in the Piedmont.
HabitatRoadsides, fields, meadows, pastures, near creek in disturbed woods.
PhenologyFlowering and fruiting May-July.
IdentificationThe stem of Mouse-ear Hawkweed is about half the height of P. cespitosa, and the obovate and untoothed basal leaves are short relative to width. The stems often have several small spatulate leaves. In this species, the yellow head is solitary at the end of a stem; most hawkweeds have several heads clustered at the end of a stem. The whole plant has a very hairy/pilose appearance, and that plus its very short stature should make it an easily identified species.
Taxonomic CommentsFormerly named as Hieracium pilosella.

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