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Chlorophyta - green algae

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Codium fragile

Codium fragile (Suringar) Hariot
Phylum Chlorophyta, Class Bryopsidophyceae, Order Codiales, Family Codiaceae

Erect thallus to 30 cm long, cylindrical 3-8 mm diameter, ~dichotomously branched; dark green to green-black.

Common, mid- to low intertidal zones; moderately wave-exposed outer coast.

Geogr. Range: Alaska to Baja
Synonyms:
Similar species:

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Cladophora columbiana

Cladophora columbiana Collins
Phylum Chlorophyta, Class Bryopsidophyceae, Order Cladophorales, Family Cladophoraceae

Dense tufts of bright green, 3-5 cm across.  

Common, upper mid- intertidal zone; several different species occur in central California.

Geogr. Range: Vancouver Island to Baja
Synonyms:
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Ulva spp.

Ulva spp. Linnaeus
Phylum Chlorophyta, Class Ulvophyceae, Order Ulvales, Family Ulvaceae

Thallus bright green, 2 cells thick. Several different species; must examine cells to distinguish.

Ephemeral  on rocks, mid- to low intertidal zones.

Geogr. Range: widespread along West Coast
Synonyms:
Similar species:

 

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