Grows on rocks in the middle intertidal, occasionally lower, from British Columbia to Isle Cedros, Baja California. Not as common south of San Luis Obispo County as northward.
Source: Marine Algae of California (MAC)
The thallus of Mazzaella affinis is small (up to 15 cm, usually 4 to 8 cm) and bushy, appearing green to purplish to black. Dichotomous branching, especially at the tips, usually with blades convex/concave.
Source: Marine Algae of California (MAC)
Common name | Algae, Red Algae |
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Region | Alaska to British Columbia, Government Point to Mexico, San Francisco to Government Point, WA Olympic Coast to San Francisco |