Zosteraceae
Eel-Grass Family
3 genera
5 species
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Nanozostera japonicadwarf eelgrass, narrow-bladed eelgrass
Distribution: Occurring in coastal counties in Washington; Alaska to California along the immediate coast.
Habitat: Coastal mudflats from high tide line to sub-tidal zone.
Origin: Introduced from Japan
Flowers: April-September
Phyllospadix scouleriScouler's surf-grass
Distribution: Occurring along the coast of Washington where rocky; Alaska to California.
Habitat: Rocky intertidal and sub-tidal zones.
Origin: Native
Flowers: May-August
Phyllospadix serrulatustoothed surf-grass
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.
Origin: Native
Flowers: May-September
Phyllospadix torreyiTorrey's surf-grass
Distribution: Occurring along the rocky coastline of northwestern Washington; British Columbia to California along the immediate coast.
Habitat: Rocky sub-tidal zone.
Origin: Native
Flowers: May-September
Zostera marinacommon eelgrass, seawrack
Distribution: Occurring in Washington\'s coastal counties; Alaska to California along the coast; also on the Atlantic Coast.
Habitat: Sub-tidal area.
Origin: Native
Flowers: June-August