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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Poaceae
Subfamilia: Pooideae
Tribus: Aveneae
Subtribus: Aveninae
Genus: Sphenopholis
Species: S. filiformis – S. intermedia – S. interrupta – S. nitida – S. obtusata – S. pennsylvanica

Nothospecies: S. x pallens

Sphenopholis Scribn., Rhodora 8: 142 (1906), nom. nov.
Type species: Sphenopholis obtusata (Michx.) Scribn., Rhodora 8: 144 (1906)


Reboulea Kunth, Révis. Gramin. 1: 341 (1830), nom. illeg.
Colobanthus (Trin.) Spach, Hist. Nat. Vég. 13: 163 (1846), nom. illeg. non Colobanthus Bartl., Ord. Nat. Pl. 305. 1830. (Caryophyllaceae)


Scribner, F.L. 1906. Rhodora 8(92): 142.
Govaerts, R. et al. 2013. Sphenopholis in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2013 Dec. 11. Reference page.
Simon, B.K., Clayton, W.D., Harman, K.T., Vorontsova, M., Brake, I., Healy, D. & Alfonso, Y. 2013. GrassWorld, Sphenopholis. Published on the internet. Accessed: 2013 Dec. 11.
Tropicos.org 2013. Sphenopholis. Missouri Botanical Garden. Published on the internet. Accessed: 2013 Dec. 11.
International Plant Names Index. 2013. Sphenopholis. Published online. Accessed: 11 Dec. 2013.

Vernacular names
English: wedgescale

Sphenopholis is a genus of North American and Hawaiian plants in the grass family.[4][5][6]

They are known generally as wedgescales.[7][8][9]


Sphenopholis filiformis - longleaf wedgescale - TX OK AR LA TN MS AL GA FL NC SC VA PA
Sphenopholis intermedia - slender wedgescale - Canada (every province + territory except Nunavut), USA (every state except California + Hawaii)
Sphenopholis interrupta - CO OK AZ NM TX LA, Baja California
Sphenopholis longiflora - Texas wedgescale - TX OK AR LA
Sphenopholis nitida - shiny wedgescale - Ontario, eastern half of United States
Sphenopholis obtusata - prairie wedgescale - widespread in contiguous United States + southern Canada, plus Hawaii, Mexico + Hispaniola
Sphenopholis × pallens - scattered locations in eastern half of USA—hybrid S. obtusata × S. pensylvanica
Sphenopholis pensylvanica - swamp wedgescale - eastern half of USA


Tropicos, Reboulea Kunth
International Code of Nomenclature for algae, fungi, and plants see §7.4, specifying that the type of a replacement name is the same as the type of the name being replaced
Kew World Checklist of Selected Plant Families
Scribner, Frank Lamson. 1906. Rhodora 8(92): 142-146
Kunth, Karl Sigismund. 1830. Révision des Graminées 2, pages 341-342 descriptions in Latin, commentary in French, using name Reboulea
Kunth, Karl Sigismund. 1830. Révision des Graminées 2, plate 84 full-page line drawing of Reboulea gracilis
Grass Manual Treatment
Grassbase - The World Online Grass Flora
USDA Plants Profile
The Plant List search for Sphenopholis
Biota of North America Program 2013 county distribution maps

Plants Images

Biology Encyclopedia

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