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Genus (i.e. Fucus)
Species (i.e. Gardneri)
Common Name (i.e. Rock Weed)
Phylum (i.e. Ochrophyta)
All of the above
Eelgrass Brown Blade
Punctaria lobata
Authority:
(D.A. Saunders) Setchell & N.L. Gardner
North Pacific Distribution:
Kodiak Archipelago to Southeast Alaska.
Phylum:
Ochrophyta
Class:
Phaeophyceae
Order:
Ectocarpales
Family:
Chordariaceae
Former Scientific Names:
Homeostroma lobatum
Description: The thallus is a small, pale to dark olive brown blade, 10 cm or more tall, with margins smooth or irregularly to deeply lobed, and is 2-4 cell layers thick, with medullary (central) cells no more than 2-3 times the size of cortical (outer) cells. The outer cells have numerous discoidal chloroplasts and pyrenoids. Habitat: This summer ephemeral occurs as an epiphyte on Zostera marina in the mid intertidal to shallow subtidal of protected habitats. Similar taxa: Petalonia, young Saccharina.
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