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Taxonomic Changes
Since the publication of my initial paper (1946), the following amendments to the nomenclature have resulted from recent taxonomic studies.
| Previous Name | Revised Name |
| 1. Amblystegium filicinum De Not. | Cratoneuron filicinum (Hedw.) Roth. |
| 2. Amblystegium riparium B. & S. | Leptodictyon riparium (Hedw.) Warnst. |
| 3. Archephemeropsis trentepohlioides Ren. | Ephemeropsis trentepohlioides (Ren.) Sainsb. |
| 4. Atrichum muelleri (Hpe. & C. M.) Mitt. | Atrichum ligulare Mitt. |
| 5. Braunfelsia obesifolia (R. Br. ter.) Dix. | Dicranoloma obesifolia (R. Br. ter.) |
| 6. Bryum bimum Schreb | Bryum pseudotriquetrum (Hedw.) Schwaegr. var. bimum (Brid.) Richards et Wallace |
| 7. Bryum torquescens B. & S. | Bryum capillare Hedw. var. torquescens (B. & S.) Husn. |
| 8. Campylium relaxum (H. f. & W.) Broth. | Cratoneuropsis relaxa (H. f. & W.) Fleisch. |
| 9. Didymodon lingulatus (H. f. & W.) Broth. | Desmatodon lingulatus (H. f. & W.) Loeske. |
| 10 Didymodon rubellus (Hoffm.) B. & S. | Erythrobarbula recurvirostris (Hedw.) Steere |
| 11 Fissidens campyloneurus C. M. | Fissidens pungens Hpe. & C. M. |
| 12 Glyphothecium alarc Dix. et Sainsb. | Hampeella alaris (Dix. et Sainsb) Sainsb. |
| 13. Grimmia pulvinata (Sm.) obtusa (Brid.) B. & S. | Grimmia pulvinata var. africana (Hedw.) Dix. |
| 14. Hedivigidium imberbe B. & S. | Hedwigia integrifolia P. Beauv. |
| 15. Mnium rostratum Schrad. | Mnium longirostrum Brid. |
| 16. Tortula atrovirens (Sm.) Lindb. | Desmatodon convolutus (Brid.) Grout |
| 17. Tortula flavinervis Dix. | Barbula pseudopilifera Hpe. & C. M. |
| 18. Webera spp. | Pohlia spp. |
| 19. Weisia viridula Hedw. | Weissia controversa Hedw. |
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The following species have been dropped as not distinct from the species in brackets associated with them:
Bryum eximium Mitt. [B. laevigatum H. f. & W.]; B. huttonii R. Br. ter. [B. laevigatum]; B. incurvifolium C. M. [B. laevigatum]; Campylopus appressifolius Mitt. [C. clavatus (R. Br.) H. f. and W.]; C. insititius H. f. and W. [C. clavatus (R. Br.) H. f. and W.] Dicranum mackayi Broth. et Dix. [Dicranoweisia antarctica (C. M.) Par.]; Dicranella egmontensis Dix. [Dicranum aucklandicum Dix.]; Dicranoloma pungentella (C. M.) Par. [D. billardieri (Schwaegr.) Par]; D. integerrimum (Broth. and Geheeb.) Par. [D. billardieri]; D. leucolomoides (C. M) Dix. [D. pungens (H. f. and W.) Par.]; D. chrysodrepaneum (C. M.) Dix. [D. robustum (H. f. and W.) Par.]; D. integrifolium Dix. [D. robustum]; Drepanocladus brachiatus (Mitt.) Dix. [D. aduncus (Hedw.) Moenk.]; Hennediella intermedia (R. Br. ter.) Par. and H. microphylla (R. Br. ter.) Par. [Pottia macrophylla (R. Br. ter.)]; Macromitrium hectori Mitt. [Schlotheimia brownii Brid.]; Mniodendron comatum (La Bill.) Lindb. [M. comosum (La Bill.) Lindb.]; Orthotrichum praeperistomatum Vent. [O. pulvinatum R. Br. ter.]; Pleuridium gracilentum Mitt. [P. nervosum (Hook.) Par. probably]; Rhacopilum cristatum H. f. and W. and R. laetum Mitt. [R. strumiferum C. M.]; Tortula submutica Broth. [T. phaea (H. f. and W.) Dix.]; Triquetrella filiformis C. M. [T. papillata (H. f. and W.) Broth.].
Ditrichum strictum Hpe. does not occur on the mainland of New Zealand, and Taxithelium polystichum was erroneously reported from New Zealand, the plants proving to be Acanthocladium extenuatum.