Gemmabryum is a genus of moss in the family Bryaceae. It was separated from the genera Bryum and Brachymenium in 2005. It has been argued that the correct name for the genus is Osculatia.
Taxonomy The genus Gemmabryum was first described by J. R. Spence and H. P. Ramsay in 2005. Species previously placed in three sections of the genus Bryum and one section of the genus Brachymenium were transferred to the new genus, which is accepted by the World Flora Online database . Other sources retain the genus Bryum. In 2018, it was argued that the genus name Osculatia De Not. had priority for this segregate of Bryum and Brachymenium.
Species , World Flora Online accepted the following species:
Gemmabryum acuminatum (Harv.) J.R. Spence & H.P. Ramsay Gemmabryum apiculatum (Schwägr.) J.R. Spence & H.P. Ramsay Gemmabryum austrosabulosum J.R. Spence & H.P. Ramsay Gemmabryum badium (Brid.) J.R. Spence Gemmabryum barnesii (J.B. Wood ex Schimp.) J.R. Spence Gemmabryum brassicoides J.R. Spence & Kellman Gemmabryum caespiticium (Hedw.) J.R. Spence Gemmabryum californicum (Sull.) J.R. Spence Gemmabryum chrysoneuron (Müll. Hal.) J.R. Spence & H.P. Ramsay Gemmabryum coarctatum (Bosch & Sande Lac.) J.R. Spence & H.P. Ramsay Gemmabryum coronatum (Schwägr.) J.R. Spence & H.P. Ramsay Gemmabryum demaretianum (Arts) J.R. Spence Gemmabryum dichotomum (Hedw.) J.R. Spence & H.P. Ramsay Gemmabryum eremaeum (Catches. ex J.R. Spence & H.P. Ramsay) J.R. Spence & H.P. Ramsay Gemmabryum erythropilum (M. Fleisch.) J.R. Spence & H.P. Ramsay Gemmabryum exile (Dozy & Molk.) J.R. Spence & H.P. Ramsay Gemmabryum flavituber (R. Wilczek & Demaret) J.R. Spence Gemmabryum gemmiferum (R. Wilczek & Demaret) J.R. Spence Gemmabryum gemmilucens (R. Wilczek & Demaret) J.R. Spence Gemmabryum inaequale (Taylor) J.R. Spence & H.P. Ramsay Gemmabryum indicum (Dozy & Molk.) J.R. Spence & H.P. Ramsay Gemmabryum klinggraeffii (Schimp.) J.R. Spence & H.P. Ramsay Gemmabryum kunzei (Hornsch.) J.R. Spence Gemmabryum mauiense (Broth.) J.R. Spence Gemmabryum nanoapiculatum (Ochi & Kürschner) Kürschner Gemmabryum pachytheca (Müll. Hal.) J.R. Spence & H.P. Ramsay Gemmabryum preissianum (Hampe) J.R. Spence & H.P. Ramsay Gemmabryum radiculosum (Brid.) J.R. Spence & H.P. Ramsay Gemmabryum ruderale (Crundw. & Nyholm) J.R. Spence Gemmabryum sauteri (Bruch & Schimp.) J.R. Spence & H.P. Ramsay Gemmabryum subapiculatum (Hampe) J.R. Spence & H.P. Ramsay Gemmabryum sullivanii (Müll. Hal.) J.R. Spence & H.P. Ramsay Gemmabryum tenuisetum (Limpr.) J.R. Spence & H.P. Ramsay Gemmabryum tuberosum (Mohamed & Damanhuri) J.R. Spence & H.P. Ramsay Gemmabryum valparaisense (Thér.) J.R. Spence Gemmabryum vinosum J.R. Spence & Kellman Gemmabryum violaceum (Crundw. & Nyholm) J.R. Spence
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