Rhodophyta · Red Seaweed

Pleonosporium vancouverianum

(J.Agardh) Setchell & N.L.Gardner
Phylum
Rhodophyta
Class
Florideophyceae
Order
Ceramiales
Family
Wrangeliaceae

Pleonosporium vancouverianum

Alternate skein

Authority
(J.Agardh) Setchell & N.L.Gardner
Thallus is a diminutive, uniseriate filament, alternately branched to several orders and less than 2 cm (1 in) tall. This species produces polysporangia rather than tetrasporangia.

Habitat

This species is an annual and grows on rock, other algae, and on animals in the low intertidal to subtidal of semi-protected to semi-exposed habitats.

North Pacific Distribution

Prince William Sound, Alaska to Baja California, Mexico.

Former scientific names

Callithamnion vancouverianum, Pleonosporium abysicola

Similar taxa

Antithamnion defectum, Pterothamnion spp.

Last updated December 26, 2010

Photos