Taxon: Symphyotrichum pilosum (Willd.) G. L. Nesom

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

See also subordinate taxa:

• Symphyotrichum pilosum var. pilosum (5 accessions)
• Symphyotrichum pilosum var. pringlei (no accessions)

Common names:

• awl aster   (Source: Glea Cron ed2 [as Aster pilosus]) – English
  
• frost aster   (Source: F Carolin [as Aster pilosus]) – English
  
• frost-weed aster   (Source: Asters Gard Guide [as Aster pilosus]) – English
  
• hairy aster   (Source: Aster OK [as Aster pilosus]) – English
  
• heath aster   (Source: Aster Ontario [as Aster pilosus]) – English
  
• Michaelmas daisy   (Source: F WVa [as Aster pilosus]) – English
  
• nailrod   (Source: F WVa [as Aster pilosus]) – English
  
• old-field aster   (Source: Aster Ontario [as Aster pilosus]) – English
  
• Pringle's aster   (Source: Aster Ontario [as Aster pilosus]) – English
  
• steelweed   (Source: F WVa [as Aster pilosus]) – English
  
• white heath aster   (Source: F WVa [as Aster pilosus]) – English
  
• white old-field aster   (Source: F Florida [as Aster pilosus]) – English
  
• aster poilu   (Source: F NAmer ) – French
  
• weichhaarige Aster   (Source: Zander Ency [as Aster pilosus]) – German
  
• filtaster   (Source: Vara kulturvaxt namn ) – Swedish   [Symphyotrichum pilosum var. pringlei]
  

Economic importance:

• Environmental: ornamental   (fide Asters Gard Guide, as A. pilosus & A. pringlei)
  
• Weed   (fide Can J Pl Sci 81:851-875. 2001)
  

More:

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Eastern Canada: Canada - Ontario, Quebec [s.w.]
  Northeastern U.S.A.: United States - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia
  North-Central U.S.A.: United States - Illinois, Iowa, Kansas, Minnesota [s.e.], Missouri, Nebraska, Oklahoma, South Dakota, Wisconsin
  Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, District of Columbia, Florida [n.w.], Georgia, Kentucky, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia

• EUROPE
  Northern Europe: United Kingdom
  Middle Europe: Netherlands
  Southeastern Europe: Italy
  Southwestern Europe: France; Spain
• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Eastern Canada: Canada - New Brunswick, Nova Scotia
  Western Canada: Canada - British Columbia

• EUROPE
  Middle Europe: Belgium; Germany

• also cultivated

References:

• Chmielewski, J. G. & J. C. Semple. 2001. The biology of Canadian weeds. 114. Symphyotrichum pilosum (Willd.) Nesom (Aster pilosus Willd.). Canad. J. Pl. Sci. 81:851–865.
• Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
• FNA Editorial Committee. 1993–. Flora of North America.
• Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2. [= Aster pilosus].
• Jones, A. G. 1992. Aster & Brachyactis (Asteraceae) in Oklahoma. [= Aster pilosus].
• Nesom, G. L. 1994. Review of the taxonomy of Aster sensu lato (Asteraceae: Astereae), emphasizing the New World species. Phytologia 77:289.
• Picton, P. 1999. The gardener's guide to growing Asters. [= Aster pilosus].
• Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. [= Aster pilosus].
• Semple, J. C. et al. 1996. The Asters of Ontario (Compositae: Astereae): Diplactis Raf., Oclemena E. L. Greene, Doellingeria Nees and Aster. [= Aster pilosus Willd.].
• Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2. [= Aster pilosus].
• Wunderlin, R. P. 1998. Guide to the vascular plants of Florida. [= Aster pilosus].

More:

Search AGRICOLA article citation database for citations referencing Symphyotrichum pilosum.

Search NCBI's Entrez search engine for PubMed citations referencing Symphyotrichum pilosum.

Search Biodiversity Heritage Library for historical publications referencing Symphyotrichum pilosum.

Synonyms:

• Aster ericoides var. platyphyllus Torr. & A. Gray [= Symphyotrichum pilosum var. pilosum]
  
• Aster ericoides var. pringlei A. Gray [≡ Symphyotrichum pilosum var. pringlei]
  
• Aster faxonii Porter [= Symphyotrichum pilosum var. pringlei]
  
• Aster pilosus Willd. [≡ Symphyotrichum pilosum var. pilosum]
  
• Aster pilosus var. demotus S. F. Blake [= Symphyotrichum pilosum var. pringlei]
  
• Aster pilosus var. pilosus [= Symphyotrichum pilosum var. pilosum]
  
• Aster pilosus var. platyphyllus (Torr. & A. Gray) S. F. Blake [= Symphyotrichum pilosum var. pilosum]
  
• Aster pilosus var. pringlei (A. Gray) S. F. Blake [≡ Symphyotrichum pilosum var. pringlei]
  
• Aster pringlei (A. Gray) Britton [≡ Symphyotrichum pilosum var. pringlei]
  

Check other web resources for Symphyotrichum pilosum (Willd.) G. L. Nesom:

• Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Check other web resources for images:

• PlantSystematics.org
• Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

Ctrl P to print