As classified in WFO snapshot
June 2024
Warning: older classification
variety
Riccardia wettsteinii var. crassa
This variety name was first published in Denkschr. Kaiserl. Akad. Wiss., Wien Math.-Naturwiss. Kl. 67: 163. 1898.
At the time of this classification snapshot, this variety 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-1200004922.