Taxonomic Studies on Thai Anthocerotophyta I. The Genera Dendroceros and Megaceros (Dendrocerotaceae).

A taxonomic review of the hornwort genera Dendroceros Nees and Megaceros Campb. in Thailand is presented, based on herbarium specimens and field surveys. Three species are recognized, namely D. cucullatus Steph., D. suplanus Steph. and M. flagellaris (Mitt.) Steph. A key, descriptions and line drawings and notes on the ecology and geographical distribution of the species are provided. [ABSTRACT FROM AUTHOR]