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FNA | Family List | FNA Vol. 20 | Asteraceae | Symphyotrichum

40b. Symphyotrichum pilosum (Willdenow) G. L. Nesom var. pringlei (A. Gray) G. L. Nesom, Phytologia. 77: 289. 1995.

Pringle’s aster, aster de Pringle

Aster ericoides Linnaeus var. pringlei A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 184. 1884; A. pilosus Willdenow var. demotus S. F. Blake; A. pringlei (A. Gray) N. L. Britton

Stems glabrous. Leaves glabrous or glabrate. 2n = 48.

Flowering Aug–Oct. Calciphile, limestone pavements, calcareous sandy or gravelly shores and beaches of lake and streams, interdunal flats and swales, rarely fens, fields; 0–1100+ m; N.S., Ont., Que.; Conn., Del., D.C., Ill., Ind., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va., Wis.

Variety pringlei may sometimes be confused with Symphyotrichum priceae, which is distinguished by its larger heads and purple rays. Plants identified as Aster pilosus var. demotus are tall phenotypes induced by ecologic conditions.


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