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Rhodophyta · Red Seaweed

Pyropia fallax

(S.C.Lindstrom & K.M.Cole) S.C.Lindstrom
Phylum
Rhodophyta
Class
Bangiophyceae
Order
Bangiales
Family
Bangiaceae

Pyropia fallax

False laver

Authority
(S.C.Lindstrom & K.M.Cole) S.C.Lindstrom
This may be the most common species of Pyropia (or bladed Bangiales) . Thallus is a reddish brown blade, to ~ 50 cm (20 in) long, elongate, with a greenish center, one cell layer thick, and often ruffled along the margin. The margin becomes pale red when female cells are fertilized; male cells are in whitish patches or streaks.

Habitat

High to lower mid intertidal rock from winter to early summer, from protected to exposed shores, often associated with sand.

North Pacific Distribution

Aleutian Islands, Alaska to northern Washington

Former scientific names

Porphyra fallax

Similar taxa

Pyropia abbottiae has darker red female reproductive patches.

References

Last updated December 26, 2010

Photos