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Family Halymeniaceae

HAWAII

Halymenia spp.

Kahe Point, Oahu, 20 feet

 

Kaupo, Oahu, 6 feet

Haleiwa Trench, Oahu, 70 feet

 

Makua, Oahu, 25 feet

 

Honokohau, Hawaii, 60 feet

Makai Pier, Waimanalo, Oahu, 6 feet

COCK'S COMB SEAWEED

Large broad reddish-yellow blades with ragged edges seasonally common at any depth.  Arises from a single holdfast and has dissected margins.  The undescribed species formerly identified as Halymenia formosa is most common.