Hygroamblystegium tenax var. tenax (Hedw.) Jenn.  

Family: Amblystegiaceae

[Amblystegium irriguum (Hook. & Wils.) Schimp. in B.S.G., moreAmblystegium irriguum var. flaccidum De Not., Amblystegium orthocladon (P. Beauv.) Mac. & Kindb., Amblystegium tenax (Hedw.) C. Jens., Amblystegium tenax var. tenax , Hygroamblystegium fluviatile var. orthocladon (P. Beauv.) Crum et al., Hygroamblystegium irriguum (Hook. & Wils.) Loeske, Hygroamblystegium orthocladon (P. Beauv.) Loeske, Hypnum orthocladon]