Isopterygium acutifolium, a new moss species from Venezuela Isopterygium acutifolium, a new moss species from Venezuelav. 93343–345Ireland, Robert Root. 1990. "Isopterygium acutifolium, a new moss species from Venezuela." Bryologist, 93 343–345.More...ID: 24850Type: articleKeywords: NH-Botany; NMNH