Hamatocaulis vernicosus, the varnished hook-moss, is a species of moss belonging to the family Amblystegiaceae.
It has cosmopolitan distribution.
Taxonomy Synonyms Drepanocladus vernicosus (Mitt.) Warnst. Drepanocladus vernicosus var. gracile G. Roth Hypnum lycopodioides var. genuinum Sanio Hypnum pellucidum Wilson ex Jur. Hypnum vernicosum var. fluitans Warnst. Limprichtia vernicosa (Mitt.) Loeske Scorpidium vernicosum (Mitt.) Tuom. Stereodon vernicosus Mitt.
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