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California Moss eFlora
Jan 1 2013 ·
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Rhytidium is a monotypic genus not yet found in California. It has a strangely discontinuous range throughout the world with the nearest locality being northwest Oregon. It is immediately recognizable in the field as a large pinnate moss mostly growing in erect plumes. Unlike other feather mosses (Rhytidiadelphus, Hylocomium) it has a strong single costa and the leaf laminae are obviously undulate whether wet or dry.
see key to Hylocomium Etc.
Species included:
Rhytidium rugosum (Hedwig) Kindberg, not known from CA