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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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Cloniophora<br />

Classification: Chlorophyta (Family<br />

Chaetophoraceae)<br />

General habit: pl<strong>an</strong>ts forming grass-green or<br />

sometimes yellow-green tufts on rocks, composed <strong>of</strong><br />

br<strong>an</strong>ched filaments, not as coarse to the touch as<br />

Cladophora, <strong>of</strong>ten with a feathery appear<strong>an</strong>ce,<br />

usually epilithic<br />

Species in Hawai‘i: C. macrocladia, C. plumosa, C.<br />

spicata, Cloniophora sp.<br />

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

Distinguishing features: a filamentous, br<strong>an</strong>ched<br />

alga, br<strong>an</strong>ches sometimes in whorl-like formation,<br />

main axis cells larger th<strong>an</strong> cells <strong>of</strong> br<strong>an</strong>ches,<br />

chloroplast b<strong>an</strong>d-shaped, mostly encircling the cell<br />

(especially in the main axis cells)<br />

Compare with: Chaetophora, Cladophora,<br />

Stigeoclonium<br />

A, B. A rock in a stream covered with Cloniophora.<br />

Scale bar = 10cm (A), 2cm (B). C. An individual<br />

Cloniophora pl<strong>an</strong>t viewed under a dissecting microscope.<br />

Scale bar = 5mm. D. Main axis <strong>of</strong> a filament<br />

28<br />

showing the b<strong>an</strong>d-shaped chloroplasts. Scale bar<br />

= 50µm. E, F. Br<strong>an</strong>ched Cloniophora filament<br />

showing b<strong>an</strong>d-shaped chloroplasts. Scale bar =<br />

50µm.

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