Nomenclature: wfo-0001200523

Riccia americana Mem. Torrey Bot. Club 7: 24. 1899.
Nomenclatural References
- person : Marshall Avery Howe (1867-1936) Based on occurrence of standard abbreviation 'M.Howe' in the authors string.
- database : The Plant List v1.1 record tro-35191357
- database : The Plant List version 1.0, record: tro-35191357
- database : Tropicos record: 35191357 Based on data supplied by Bryonames