Abstract

ABSTRACT Benthic bryophyte samples that were retrieved in 1990 from depths of 45 m to 110 m in Waldo Lake were analyzed in 1999 for epiphytes. Rewetting of dried material, most of which was liverworts, indicated extensive colonization by filamentous green and blue-green algae, diatoms and aquatic fungi. Bulbocheate, Oedogonium and Stigonema were the three most common filamentous genera present at nearly each of the six sampling sites. Analysis of diatom associations following the oxidation of dried bryophyte-algae subsamples resulted in identification of 37 taxa within 15 genera of typically attached species. Most species were of the genera Eunotia, Pinnularia and Cymbella. These taxa appeared to be widely distributed on the bottom of the lake, at some stations as much as 30 m to 40 m below the lower depth of the photic zone.

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