<p><strong>Additional new and noteworthy moss (Bryophyta) records from Vietnam and Laos </strong></p>

Abstract

This study of recent collections of mosses in Vietnam and Laos yield 10 new records for Indochina, 15 new records for Vietnam, 2 new records for Laos, and 5 other noteworthy records, including significant range extension and validation of doubtful records. Acroporium rufum is an erroneous record and should be removed from the Vietnamese flora. A new combination Distichophyllum cuspidatum var. subcuspidatum is proposed, whereas Trichosteleum montanum is considered a new synonym of Papillidiopsis ramulina. The occurrence of Thuidium pristocalyx var. orientale, a name overlooked in previous moss checklists of Vietnam, is here supported with an authentic specimen. Trismegistia lancifolia and T. rigida (= T. calderensis var. convoluta), which have been recently resurrected from synonymy accepted in previous checklists, are both confirmed to occur in Vietnam from our collections.

A Contribution to the Fissidens Hedw. (Musci, Fissidentaceae) of Myanmar, Including F. strictidens sp. nov. and F. pseudoanomalus sp. nov.

“…The species was described based on material from the province Guangdong in China (Li 1985), and was subsequently reported from Japan, Fiji, Singapore, Thailand, Philippines, Malaysia, Vietnam (Tan et al 2000(Tan et al , 2006Tan & Choy 2002;Ho 2015). It seems to be relatively widely distributed in tropical and subtropical regions of SE Asia.…”

Lectotypification on Acroporium hyalinum (Reinw. ex Schwägr.) Mitt. (Hypnales: Sematophyllaceae)

“…e appearance of alar cells is one of the main characters used in the identi cation of members of the family Sematophyllaceae. Acroporium has been included in several recent regional oras, taxonomic revisions, and checklists, including for India (Daniels 2010), mainland China and Taiwan (Jia et al 2005;Chiang et al 2011;Shevock et al 2014), Japan (Suzuki 2016), the Philippines (Tan 1994;Tan 2000;Linis 2014), Indochina (Tan and Iwatsuki 1993;He 1996;He and Nguyen 2012;Ho et al 2015), Peninsular Malaysia and Singapore (Yong et al 2013), Borneo (Tan 1994;Tan et al 1997;Tan and Mohamed 2013), Sulawesi, Java, and Sumatra (Tan 1994;Gradstein et al 2005, Ho et al 2006, Ariyanti et al 2009, Australia (Tan et al 1996(Tan et al , 1998Ramsay et al 2004), Papua New Guinea (Tan et al 2007), the Neotropics (Camara et al 2015), Hawaii (Staples et al 2004), and Africa (O'Shea 2006). Despite the floristic boundary of Malesia being one of the centres of diversity of this genus, a comprehensive taxonomic treatment of Malesian Acroporium is still lacking.…”