Family: Cyperaceae
Group: Monocot
Substrate:
Terrestrial
Habit:
Herb
Perennation:
Annual
Native Range: Widespread in North America, the West Indies, Mexico, Central America, South America and the Old World.
IRC SOUTH FLORIDA Status:
Imperiled
Map of select IRC data for peninsular Florida
SOUTH FLORIDA Occurrence:
Present
SOUTH FLORIDA Native Status:
Native
South Florida History and Distribution: Ranked as critically imperiled in Rare Plants of South Florida (
Gann et al. 2002; pp 137-139) based on two occurrences in one protected area (National Key Deer Refuge) and one non-protected area (Valhalla Rock Barren Site). It was also know from a few records on the mainland, but it was not clear if it was native there. It has subsequently been recorded at more locations on the mainland and was reranked as imperiled in 2024.
SOUTH FLORIDA Cultivated Status:
Not Cultivated
Comments: For images, visit
CalPhotos.
Synonyms:
C. aristatus.
FLORIDA KEYS Occurrence:
Present
FLORIDA KEYS Native Status:
Native
IRC FLORIDA KEYS Status:
Critically Imperiled
Map of select IRC data for the Florida Keys
Florida Keys History and Distribution: First collected between 1938 and 1853 by John Loomis Blodgett on the island of Key West. Not reported for the Florida Keys by John Kunkel Small in 1913, but collected by him that year on the island of Key West. Also collected by Small on Big Pine Key in 1921. We consider this native and extant in the middle and lower Keys. For more information on C. squarrosus in South Florida, see IRC's
species account. For
images of C. squarrosus, vist the Missouri Plants website.