Sphenopholis

Wedgescales
Sphenopholis obtusata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Supertribe:	Poodae
Tribe:	Poeae
Subtribe:	Aveninae
Genus:	Sphenopholis Kunth. [1] [2]
Type species
Reboulea gracilis
Synonyms [3]
Reboulea Kunth 1830, illegitimate name not Reboulia Raddi 1818 Colobanthus(Trin.) Spach 1841, illegitimate name not Bartl. 1830 Trisetum unranked ColobanthusTrin.

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]}

Species ^{[3] [10] [11]}

• 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

References

1. Tropicos, Reboulea Kunth
2. 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
3. Kew World Checklist of Selected Plant Families
4. Scribner, Frank Lamson. 1906. Rhodora 8(92): 142–146
5. Kunth, Karl Sigismund. 1830. Révision des Graminées 2, pages 341–342 descriptions in Latin, commentary in French, using name Reboulea
6. Kunth, Karl Sigismund. 1830. Révision des Graminées 2, plate 84 full-page line drawing of Reboulea gracilis
7. Grass Manual Treatment
8. Grassbase - The World Online Grass Flora
9. USDA Plants Profile
10. The Plant List search for Sphenopholis
11. Biota of North America Program 2013 county distribution maps