Artificial Reef Field Guide: Stephanocystis osmundacea
| Code(s) | CYBL, CYHO, CYOR, CYOS, CYST |
| Id Number | 501 |
| Taxa | Algae |
| Mobility | Sessile |
| Colonial / Solitary | Solitary |
| Typical Substrate Type | Hard |
Species Description
Thalli to 8 m tall, perennial, differentiated into holdfast, stipe, and branches. Branches usually bipinate south of Point Conception. Primary branches flattened in lower portion, about 1-1.5 cm broad. Upper branches with series of 5-12 ellipsoid pneumatocysts. Blackish brown below, light olive to tan above. SAMPLING CODE NOTES: CYBL=Blade; CYHO=Holdfast; CYOR=Recruit diameter < 6cm; CYOS = Adult diamter >= 6cm; CYST=Stipe. Formerly Cystoseira osmundacea.
Species Habitat
Occasional on rocks in lower intertidal, common subtidal to 10 m.
Species Range
Low intertidal to subtidal 10 m; Oregon to Ensenada, Baja California, Mexico.
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