Abstract
Two thalloid liverwort namely Cyathodium smaragdinum Schiffn. (Cyathodiaceae) and Riccia billardieri Mont. & Nees (Ricciaceae) have been recorded for the first time from the Andaman Islands. The family Ricciaceae is reported here for the first time from this Oceanic Islands. The same have been described with relevant photo and SEM micrographs.
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