Copyright by: Roger L. Hammer, 2020. A weed growing in an abandoned road bed at Dagny Johnson Key Largo Hammock Botanical State Park, Monroe County, Florida, USA.
Southern United States, the West Indies (Greater Antilles), Mexico; perhaps speading as a weed elsewhere.
Map of select IRC data for peninsular Florida
SOUTH FLORIDA Occurrence:
SOUTH FLORIDA Native Status:
Assumed to be Native
South Florida History and Distribution:
A weed similar to S. bahamense
. Very likely more common than records indicate. Reported by J.K. Small (1913) for Key West.
FLORIDA KEYS Occurrence:
FLORIDA KEYS Native Status:
Map of select IRC data for the Florida Keys
Florida Keys History and Distribution:
Reported in 1913
by John Kunkel Small for sandy places on Key West, where collected as a weed by David W. Hall (286 USF
) in 1971. Also collected as a weed in 1981 on Big Pine Key by William C. Brumbach (9729 USF
),and photographed on North Key Largo by Roger Hammer in 2020. Almost certainly more common and overlooked.