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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Melosira<br />
Classification: Bacillariophyta (Family<br />
Melosiraceae)<br />
General habit: filamentous chains <strong>of</strong> cells, c<strong>an</strong> be<br />
either attached to a substrate or free-floating,<br />
appear as light brown filaments, <strong>of</strong>ten ent<strong>an</strong>gled<br />
with other filamentous algae, growths c<strong>an</strong> be several<br />
cm in length<br />
Species in Hawai‘i: M. vari<strong>an</strong>s<br />
Isl<strong>an</strong>d distribution: O‘ahu, Hawai‘i<br />
Distinguishing features: chains <strong>of</strong> cells <strong>of</strong> uniform<br />
diameter, cells appear cylindrical <strong>an</strong>d have multiple<br />
golden-colored chloroplasts (Fig. B, C)<br />
Compare with: Hydrosera, Pleurosira, Terpsinöe<br />
44<br />
A. Mat <strong>of</strong> Melosira chains viewed under a dissecting<br />
microscope. Scale bar = 500µm. B, C.<br />
Unbr<strong>an</strong>ched chains <strong>of</strong> cells viewed under a compound<br />
microscope. Scale bar = 30µm.
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