Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
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Cladophora<br />
Classification: Chlorophyta (Family<br />
Cladophoraceae)<br />
General habit: br<strong>an</strong>ched filaments forming feathery<br />
tufts or coarse clusters, bright green to yellow-green<br />
in color, c<strong>an</strong> form large growths in slower flowing<br />
stream areas, less th<strong>an</strong> 1cm to greater th<strong>an</strong> 30cm in<br />
length<br />
Species in Hawai‘i: C. c<strong>an</strong>alicularis, C. fracta, C.<br />
glomerata, C. longiarticulata, C. rivularis, C. sericea,<br />
C. vagabunda, Cladophora sp.<br />
Isl<strong>an</strong>d distribution: Necker, Kaua‘i, O‘ahu, Maui,<br />
Hawai‘i<br />
Distinguishing features: br<strong>an</strong>ched, filamentous<br />
green alga, br<strong>an</strong>ches smaller in diameter th<strong>an</strong> the<br />
main axis, chloroplast a net-like structure th<strong>an</strong> c<strong>an</strong><br />
densely fill the cell in some cases<br />
Compare with: Cloniophora, Oedogonium,<br />
Rhizoclonium, Vaucheria<br />
A. A region <strong>of</strong> a stream overgrown with Cladophora.<br />
Scale bar = 30cm. B. A single Cladophora pl<strong>an</strong>t<br />
attached to a rock in a stream. Scale bar = 2cm. C,<br />
D. Individual pl<strong>an</strong>ts viewed under a dissecting<br />
27<br />
microscope. Scale bar = 500µm (C, D). E.<br />
Br<strong>an</strong>ched filaments <strong>of</strong> Cladophora viewed under a<br />
compound microscope. Scale bar = 200µm. F.<br />
High magnification view <strong>of</strong> a filament showing the<br />
dense, reticulate chloroplast. Scale bar = 60µm.
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