As classified in WFO snapshot
May 2019
Warning: older classification
species
Ariocarpus trigonus
This species name was first published in in Bot. Jahrb. Syst. 24(5): 550. 1898.
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-0000547487.