Agarum turneri

Smooth sieve kelp

Authority: Postels & Ruprecht

Thallus is a smooth, ovate brown blade to 90 cm (35 in) long and 30 cm (14 in) wide with a flattened midrib, large circular holes, and a branched holdfast.

Habitat

This species occurs subtidally to at least 20 m depth in semi-exposed habitats. It is currently not considered a separate species from A. clathratum in Alaska but is morphologically distinct.