Phascum crispum var. rostellatum Phascum rostellatum Weissia phascoides Gymnostomum rostellatum Hymenostomum phascoides Hymenostomum rostellatum Mollia rostellata Systegium rostellatum Astomum rostellatum Kleioweisia rostellata Hymenostomum microstomum var. mutilatum
Taxonomic data from World Flora Online, accessed June 20, 2024