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.  | 
| Type species | |
| Reboulea gracilis | |
| Synonyms | |
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Sphenopholis is a genus of North American and Hawaiian plants in the grass family.
They are known generally as wedgescales.
- Species
 
- 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