Distribution: Occurring along the rocky coastline of northwestern Washington; Alaska to Washington.
Habitat: On rocks in upper tidal to subtidal zones, rarely on deep clay substrates.
Flowers: May-September
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Phyllospadix serrulatus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Phyllospadix serrulatus checklist entry.
E-Flora BC: Phyllospadix serrulatus atlas page.
CalPhotos: Phyllospadix serrulatus photos.
USDA Plants: Phyllospadix serrulatus information.