Distribution: Occurring west of the Cascades crest 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
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Water
[none provided]
PNW Herbaria: Specimen records of Phyllospadix serrulatus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Phyllospadix serrulatus checklist entry
OregonFlora: Phyllospadix serrulatus information
E-Flora BC: Phyllospadix serrulatus atlas page
CalPhotos: Phyllospadix serrulatus photos