As classified in WFO snapshot
December 2023
Warning: older classification
species
Ruellia grisea
This species name was first published in Contr. U.S. Natl. Herb. 31: 81 (1951)
At the time of this classification snapshot, this species name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000401872.