Ho, B.-C., Alonso-García, M., Chantanaorrapint, S., Ellis, L. T., Promma, C., Rubasinghe, S. C. K., Wei, Y.-M., Ye, W. & Yong, K.-T. 2022. Ergänzungen zur Moosflora von Singapur. – Herzogia 35: 420 – 442. Insgesamt 14 Moosarten werden erstmals für Singapur angegeben. Hierzu gehören fünf Lebermoose, Cephaloziella inaequalis R.M.Schust. (Cephaloziellaceae), Colura cristata Jovet-Ast (Lejeuneaceae), Mizutania riccardioides Furuki & Z.Iwats. (Calypogeiaceae), Radula loriana Castle (Radulaceae) und Riccia fluitans L. (Ricciaceae), acht Laubmoose, Calymperes fasciculatum Dozy & Molk. (Calymperaceae), Calymperes pallidum Mitt. (Calymperaceae), Calymperes subintegrum Broth. (Calymperaceae), Chionoloma induratum Dixon (Pottiaceae), Fissidens holleanus Dozy & Molk. (Fissidentaceae), Pogonatum piliferum (Dozy & Molk.) Touw (Polytrichaceae), Splachnobryum obtusum (Brid.) Müll.Hal. (Pottiaceae), Racopilum cuspidigerum (Schwägr.) Ångstr. (Racopilaceae), und ein Hornmoos, Notothylas breutelii (Gottsche) Gottsche (Notothyladaceae). Cephaloziella, Mizutania, Pogonatum und Racopilum stellen neue Gattungen für Singapur dar, Polytrichaceae und Racopilaceae sind neue Familien. Pogonatum piliferum repräsentiert den ersten und einzigen Vertreter der Klasse Polytrichopsida für Singapur. Beschreibungen sowie Hinweise zu Verbreitung und Ökologie werden für alle Arten bereitgestellt. Abbildungen werden für sieben Arten präsentiert.

Fissidens curvatoinvolutus and F. pseudoadelphinus are reported as new additions to China. Previously, F. pseudoadelphinus was only known from Japan. Fissidens curvatoinvolutus, often confused with F. involutus, can be distinguished by its smaller size, crenulate leaf margins, and slightly asymmetrical capsules. Fissidens pseudoadelphinus closely resembles F. teysmannianus, but differs in having narrower, frequently falcated leaves, and a costa that ends far below leaf apex. Detailed photographs, morphological descriptions, and comparisons with similar species are provided.

Tang, Q.-M., Ho, B.-C. & Wei, Y.-M. 2019. An IUCN threatened moss species, Hypnodontopsis apiculata (Rhachitheciaceae, Bryophyta), new to China. – Herzogia 32: 369 –374.A threatened species Hypnodontopsis apiculata, previously known only from Japan, is reported here as a genus and species record new to the bryoflora of China. Based on the present gathering, a detailed description and photographs are provided. Considering the fragile habitats of H. apiculata, we propose here to maintain its current conservation status as Vulnerable.

Background/Objectives: Fissidens crispulus Brid. is a dioicous moss with conspicuous axillary hyaline nodules and serrulate leaf margins. It features Neoamblyothallia-type peristome teeth and serves as an ecologically significant model for studying adaptation in the hyperdiverse genus Fissidens (>440 species). Methods: In this study, the complete chloroplast genome of F. crispulus was sequenced and de novo assembled, enabling detailed comparative genomic, phylogenetic, and codon usage bias studies. Results: As the third fully sequenced member of Fissidentaceae, this study deciphers its 124,264–124,440 bp quadripartite genome encoding 129 genes (83 CDS, 32 tRNAs, 8 rRNAs). Repeat analysis identified 125–127 SSRs, dominated by mono-/di-nucleotide A/T repeats (>70%), and dispersed repeats predominantly forward (F) and palindromic (P) (>85%), confirming profound AT-biased composition (GC content: 28.7%). We established 7 hypervariable loci (matK, ycf2, etc.) as novel Dicranidae-wide phylogenetic markers. Codon usage exhibited significant A/U-ending preference, with 12 optimal codons (e.g., GCA, UGU, UUU) determined. Maximum likelihood analyses resolved F. crispulus and F. protonematicola as sister groups with high support value (MBP = 100%). Conclusions: This work provides the foundational cpDNA resource for Fissidens, filling a major gap in bryophyte chloroplast genomics and establishing a framework for resolving the genus’s infrageneric conflicts. Furthermore, it offers critical insights into bryophyte plastome evolution and enables future codon-optimized biotechnological applications.