Taxon: Panicum amarum Elliott

Genus: Panicum
Family: Poaceae (alt.Gramineae)
  Subfamily: Panicoideae
      Tribe: Paniceae
Nomen number: 70475
Place of publication: Sketch bot. S. Carolina 1:121. 1816
Name Verified on: 01-Mar-2004 by ARS Systematic Botanists. Last Changed: 01-Mar-2004
Species priority site is: Plant Genetic Resources Conservation Unit, Griffin, GA (S9)
Accessions: 7 in National Plant Germplasm System (GoogleMap)

Common names:

  • bitter beach grass  (Source: F NAmer) - English
  • bitter panic grass  (Source: Grass VarUSA) - English
  • coastal panic grass  (Source: Grass VarUSA) - English

Economic Importance:

  • Environmental: erosion control (fide Grass VarUSA)
  • Gene sources: potential gene source for switch grass (fide Biochem Syst Ecol 39:692. 2011)

Distributional Range:


  • Northern America

    • Northeastern U.S.A.: United States - Connecticut, - New Jersey, - New York, - Pennsylvania
    • Northern Mexico: Mexico - Tamaulipas
    • South-Central U.S.A.: United States - Texas
    • Southeastern U.S.A.: United States - Alabama, - Delaware, - Florida, - Georgia, - Louisiana, - Maryland, - Mississippi, - North Carolina, - South Carolina, - Virginia
    • Southern Mexico: Mexico - Tabasco, - Veracruz, - Yucatan
  • Southern America

    • Caribbean: Bahamas; Cuba
    • Mesoamerica: Belize; Honduras

  • Cultivated:

  • Northern America

    • : United States


  • Acevedo-Rodríguez, P. & M. T. Strong Flora of the West Indies (on-line resource). (F WIndies Online)
  • Alderson, J. & W. C. Sharp Grass varieties in the United States, U.S.D.A. Agric. Handb. 170, rev. ed. 1995 (Grass VarUSA)
  • Clewell, A. F. Guide to the vascular plants of the Florida panhandle. 1985 (F FlaPan)
  • Davidse, G. et al., eds. Flora mesoamericana. 1994 (F Mesoamer)
  • Englert, J. M. et al. 1999. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators. 1999- (NRCS Cons Pl Mat)
  • FNA Editorial Committee Flora of North America. 1993- (F NAmer)
  • Gould, F. W. The grasses of Texas. 1975 (Grass Tex)
  • Hitchcock, A. S. Manual of the grasses of the United States, ed. 2. 1950 (Grass US)
  • Huang, L.-K. et al. 2011. Genetic diversity of switchgrass and its relative species in Panicum genus using molecular markers Biochem. Syst. & Ecol. 39:685-693.
  • Kartesz, J. T. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 1994 (L US Can ed2)
  • Palmer, P. G. 1975. A biosystematic study of the Panicum amarum - P. amarulum complex (Gramineae) (Brittonia) 27:142-150.
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  • Radford, A. E. et al. Manual of the vascular flora of the Carolinas. 1964 (F Carolin)
  • Wherry, E. T. et al. Atlas of the flora of Pennsylvania. 1979 (Atlas Penn)
  • Wunderlin, R. P. Guide to the vascular plants of central Florida. 1982 (F CFla)
  • Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae Contr. U.S. Natl. Herb. 46:311.

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