Harrisia Britton in Bull. Torrey Bot. Club 35: 561. 1909 Harrisia Britton in Bull. Torrey Bot. Club 35: 561. 1909Type: Harrisia gracilis (Mill.) BrittonTaxon for this nameHarrisia Britton in Bull. Torrey Bot. Club 35: 561. 1909 Main menuHome How To Use Checklist Updates Editorial References Credits Admin