Resolving a nearly 95-year-old enigma: Transfer of the little-known Japanese moss Arctoaschistioides to Kiaeriafalcata (Rhabdoweisiaceae, Bryophyta).

Authors

Wen-Zhuan Huang, Jia-Yi Zheng, Xin-Rui Xia, Xin-Yin Ma, Tian-Xiong Zheng, Yu-Huan Wu

Published in

PhytoKeys. Volume 254. Pages 151-159. Epub Mar 28, 2025.

Abstract

Taxonomic uncertainties regarding rare species often impede effective biodiversity conservation. One such taxonomic uncertainty is the 95-year-old mystery surrounding Arctoaschistioides (Broth. ex Ihsiba) Ihsiba. Since its initial publication in 1929, this species has not been subjected to any further discoveries and is, thus, classified as "doubtful taxa" or "insufficiently known taxa" to date. Assessing the taxonomic status of this species is essential for determining whether a conservation strategy should be implemented. In this study, we examined the holotype of A.schistioides and treated this species as a new synonym of Kiaeriafalcata (Hedw.) I.Hagen, a widely distributed species in the Northern Hemisphere, by providing detailed description, illustration and taxonomic notes. Our findings not only resolve this long-standing mystery, but also enhance our understanding of Japanese mosses and the global distribution of bryophytes.

PMID:
40191740
Bibliographic data and abstract were imported from PubMed on 07 Apr 2025.

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