18. 7569......... bermudanum Britt. in Broth. Racopilum 8583......... bermudanum Syrrhopodon 1734......... bernieri Broth. Calypothecium 3746......... bernoullianum C. Muell. Fabronidium 8584......... bernoullii C. Muell. Syrrhopodon 2045......... berteroana (Mont.) Broth. Catagoniopsis 6208......... berteroana Schimp. ex Mitt. Neckera 2351......... berthelotianum (Mont.) Mitt. in Godm. Ctenidium 9091......... berthoana Thér. ms. Tortula 2867......... berthoanus Thér. Didymodon 628......... bescherellei Sauerb. in Jaeg. Barbula 1189......... bescherellei Jaeg. Bryum 1595......... bescherellei Fleisch. Calymperes 2410......... bescherellei (Par.) Broth. Cyclodictyon 4173......... bescherellei C. Muell. in Besch. Garckea 7353......... bescherellei (Ren.) Fleisch. Pterobryopsis 7755......... bescherellei (Ren. et Card.) Rhizohypnum 7006......... bescherellei Hampe in Besch, Pogonatum 7354......... beskeana Fleisch. Pterobryopsis 7875......... beskeanum (C. Muell.) Jaeg. Rhynchostegium 6209......... besseri (Lob.) Jur. Neckera 6210......... var. rotundifolia (Hartm.) Mol. in Lindb. Neckera 15........... bessonii (Ren. et Card.) Broth. in Par. Acanthocladium 2532......... beyrichiana (Hampe) Hampe Dicranella 4607......... beyrichiana (Hampe) Broth. Hookeriopsis 7827......... beyrichianum (Hornsch.) C. Muell. in Muell. Rhodobryum 3407......... beyrichii (Schwaegr.) C. Muell. Entodon 629......... bicolor (B.S.G.) Lindb. Barbula 1190......... bicolor Dicks. Bryum 1852......... bicolor (C. Muell.) Wils. in Hook. f. Campylopus 3587......... bicolor (Aongstr.) Broth. Erythrodontium 9230-9231... bicolor Reinw. et Hornsch. Trachypus 9232-9234... var. hispidus (C. Muell.) Card. Trachypus 9235......... var. pilifer Fleisch. Trachypus 9236......... var. tenellus Fleisch. Trachypus 6573-6574... bifarium (Bosch et Lac.) Fleisch. Pelekium 7690......... bifarium (Hook.) Schimp. in C. Muell. Rhizogonium 5661......... bifasciculatum C. Muell. Macromitrium 4546......... *biforme C. Muell. in Par. Porotrichum 4084......... *biformis Sull. in Gray Fontinalis 7159......... bigelovii (Sull.) Fleisch. in Broth. Porothamnium 1191......... billardieri Schwaegr. Bryum 2647......... billardieri (Brid.) Par. Dicranoloma 2713......... billardieri Brid. Dicranum 9667-9669... billardieri (Hampe) Broth. Weymouthia (Pilotrichella) * 8455a....... biforme (Hampe) Broth. Squamidium