Rudbeckia mohrii
Rudbeckia mohrii is a species of flowering plant in the family Asteraceae. It is endemic to the southeastern United States, where it occurs in Florida and Georgia.
Description
Rudbeckia mohrii is a perennial herb. Like other species in the genus Rudbeckia, it produces composite flower heads consisting of a central disk surrounded by ray florets.
Habitat and ecology
The species occurs in wetland habitats of the southeastern Coastal Plain, particularly in wet pine savannas and wet flatwoods. It is considered an obligate wetland species (OBL), occurring almost always in hydric conditions.
The species has also been documented from cypress pond habitats within its range.
Flowering occurs from June through November.
Distribution
Rudbeckia mohrii is endemic to the southeastern United States, where it occurs from eastern Georgia to the Florida Panhandle.
Occurrence data compiled by the Global Biodiversity Information Facility (GBIF) include hundreds of records from herbarium specimens and verified observations across its range.
Taxonomy
Rudbeckia mohrii was first described by Asa Gray in 1882 in the Proceedings of the American Academy of Arts and Sciences. The type specimen was collected by Charles T. Mohr in Florida and is preserved in the Gray Herbarium (GH).
A synonym of the species is Rudbeckia bupleuroides Shuttlew. ex Chapm.
The species is widely accepted by modern taxonomic authorities, including the Global Biodiversity Information Facility (GBIF).
Conservation
According to NatureServe, Rudbeckia mohrii is ranked G4 (apparently secure), indicating that it is relatively widespread or abundant within its limited range. It is considered vulnerable (S3) in Florida and has not been formally ranked in Georgia.
References
mohrii Category:Endemic flora of the United States Category:Flora of Florida Category:Flora of Georgia (U.S. state) Category:Plants described in 1882