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Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov

Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov

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Klebsormidium<br />

Classification: Chlorophyta (Family<br />

Klebsormidiaceae)<br />

General habit: unbr<strong>an</strong>ched filaments, a single cell<br />

in thickness, no differentation along the length <strong>of</strong><br />

the filament, forming ent<strong>an</strong>gled mats on submerged<br />

surfaces<br />

Species in Hawai‘i: K. flaccidum, K. rivulare, K.<br />

subtile<br />

Isl<strong>an</strong>d distribution: O‘ahu, Moloka‘i, Hawai‘i<br />

Distinguishing features: filaments unbr<strong>an</strong>ched,<br />

usually growing in unattached mats, chloroplasts<br />

single within the cell, round <strong>an</strong>d flattened against<br />

the cell wall<br />

Compare with: Rhizoclonium<br />

29<br />

A. A piece <strong>of</strong> <strong>an</strong> epilithic mat formed by<br />

Klebsormidium filaments. Scale bar = 1cm. B. A<br />

single filament (unbr<strong>an</strong>ched), showing the chloroplast<br />

flattened against one edge <strong>of</strong> the cell wall.<br />

Scale bar = 20µm.

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