Taxon: Tridens flavus (L.) Hitchc.

Common names:

• purpletop   (Source: Glea Cron ) – English
  
• purpletop tridens   (Source: F NAmer ) – English
  
• redtop   (Source: F NC Tex ) – English
  

Economic importance:

• View ethnobotanical data from Duke's Phytochemical and Ethnobotanical Databases
• 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 [s.]
  Northeastern U.S.A.: United States - Connecticut, Indiana, Massachusetts, Michigan [s.], New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, West Virginia
  North-Central U.S.A.: United States - Illinois, Iowa, Kansas [e.], Missouri, Nebraska [s.e.], Oklahoma, Wisconsin [s.]
  Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
  South-Central U.S.A.: United States - New Mexico [c.], Texas
  Northern Mexico: Mexico - Nuevo Leon, Tamaulipas

• naturalized elsewhere

References:

• Beetle, A. A. 1977. Noteworthy grasses from Mexico V. Phytologia 37:403.
• Chester, E. W. et al. 1993–1997. Atlas of Tennessee vascular plants.
• Diggs, G. M., Jr. et al. 1999. Shinner's and Mahler's illustrated flora of North Central Texas.
• FNA Editorial Committee. 1993–. Flora of North America.
• Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
• Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2.
• Gould, F. W. 1975. The grasses of Texas.
• Hitchcock, A. S. 1950. Manual of the grasses of the United States, ed. 2.
• McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
• Mejía-Saulés, M. T. & P. Dávila A. 1992. Gramíneas Útiles de México. Cuad. Inst. Biol. 16.
• Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow). 1967–. The vascular flora of Ohio.
• Tateoka, T. 1961. A biosystematic study of Tridens (Gramineae). Amer. J. Bot. 48:572.
• Townsend, J., ed. South Carolina plant atlas (on-line resource).
• Voss, E. 1972–. Michigan flora.
• Willliams, A. H. 1997. Range expansion northward in Illinois and into Wisconsin of Tridens flavus (Poaceae). Rhodora 99:344–351.
• Wunderlin, R. & B. Hansen. Atlas of Florida vascular plants (on-line resource).
• Yatskievych, G. 1999–. Steyermark's Flora of Missouri, revised edition.

More:

Search AGRICOLA article citation database for citations referencing Tridens flavus.

Search NCBI's Entrez search engine for PubMed citations referencing Tridens flavus.

Search Biodiversity Heritage Library for historical publications referencing Tridens flavus.

Synonyms:

• (≡) Poa flava L. (basionym)
  
• (≡) Triodia flava (L.) Smyth
  

Check other web resources for Tridens flavus (L.) Hitchc.:

• 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
• CNWG: Catalogue of New World Grasses Searchable Database
• Grass Manual on the Web: Manual of Grasses for North America North of Mexico
• World Grass Species-Descriptions: Morphological species description from Royal Botanic Gardens, Kew
• 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.

Images:

• GRIN Images of germplasm accessions.
• Spikelets and/or florets: U.S. National Seed Herbarium image
• Spikelets and/or florets: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional images
• Images 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

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