Eurhynchium riparioides (Hedw.) P.W.Richards
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Authority
Buck, William R. 1987. Bryostephane Steereana: A Collection of Bryological Papers Presented to William Campbell Steere On The Occasion of His 80th Birthday. Mem. New York Bot. Gard. 45: 1-749.
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Family
Brachytheciaceae
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Scientific Name
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Discussion
Hypnum riparioides Hedw., Sp. Muse. 242. 1801; Rhynchostegium riparioides (Hedw.) Gard. in Tourret, Bull. Soc. BoL France 60: 231. 1913; Oxyrrhynchium riparioides (Hedw.) Jenn., Manual Moss. W. Pennsylvania 348. 1913; Platyhypnidium riparioides (Hedw.) Dix., Rev. Bryol. Lichenol. 6: 111. 1934.
Rhynchostegium platyphyllum C. Müll., Nuovo Giorn. Bot. Ital. N. Ser. 5: 201. 1898; Oxyrrhynchium platyphyllum (C. Müll.) Broth., Nat. Pflanzenfam. 1(3): 1155. 1909; Platyhypnidium platyphyllum (C. Müll.) Fleisch., Musci Fl. Buitenzorg 4: 1537. 1923, syn. nov. Type: CHINA. Schen-si [Shaanxi]: Lui-huazae, 13 May 1896, J. Giraldi (determ. Prof C. Müller sub no. 2239) (lectotype designated here H-BR).
Brothems (1909) suggested that Rhynchostegium platyphyllym is related to R. riparioides. can confirm that R. platyphyllum falls easily within the variation of Eurhynchium riparioides. The type given above represents a rather typical plant of that species.