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Issue: Vol. 781 No. 3: 22 Oct. 2026
Type: Article
Published: 2026-10-22
DOI: 10.11646/phytotaxa.781.3.7
Page range: 281-290
Abstract views: 15
PDF downloaded: 0

Beyond known ranges: two rare Diphyscium (Diphysciaceae) newly recorded from China, with the first sporophyte report of D. tamasii

School of Life Sciences; Guizhou Normal University; Guiyang 550025; China; Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain; Guangxi Institute of Botany; Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences; Guilin; Guangxi 541006; China
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain; Guangxi Institute of Botany; Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences; Guilin; Guangxi 541006; China
Singapore Botanic Gardens; National Parks Board; Cluny Road; Singapore 259569; Singapore; Department of Biological Sciences; National University of Singapore; 14 Science Drive 4; Singapore 117543; Singapore
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain; Guangxi Institute of Botany; Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences; Guilin; Guangxi 541006; China
School of Life Sciences; Guizhou Normal University; Guiyang 550025; China
Bryophytes Guangxi Taxonomy Moss Distribution expansion New national record

Abstract

Diphyscium suzukii and D. tamasii are reported as new to China. Diphyscium suzukii, previously known only from Japan and categorized as Endangered (CR+EN), is distinguished by smooth leaf cells, relatively small oblong-lanceolate to lingulate leaves, and fimbriate inner perichaetial leaves. Diphyscium tamasii, a Vietnamese endemic with no record since its original description, is characterized by its small stature, strongly reduced vegetative leaves, and apically bifurcate inner perichaetial leaves. Mature sporophytes of D. tamasii are reported here for the first time. An updated key to the Chinese species of Diphyscium is also presented.

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How to Cite

Kang, K.-L., Tang, Q.-M., Ho, B.-C., Wei, Y.-M. & Peng, T. (2026) Beyond known ranges: two rare Diphyscium (Diphysciaceae) newly recorded from China, with the first sporophyte report of D. tamasii. Phytotaxa 781 (3): 281–290. https://doi.org/10.11646/phytotaxa.781.3.7