Neodilsea borealis

Northern red blade

Authority: (I.A.Abbott) S.C.Lindstrom

Thallus is a dark red blade bleaching to yellow, entire, often somewhat wrinkled, tapering to a short, slender stipe and minute discoidal holdfast. It is usually less than 30 cm (12 in) tall but can attain 1 m (39 in). Although it can be somewhat shiny in appearance, it is never slippery, and veins and midrib are lacking.

Habitat

This uncommon species is a biennial; it grows on pebbles in soft sediment in the extreme low intertidal and upper subtidal of protected or semi-protected habitats.

North Pacific Distribution

Alaska Peninsula, Alaska to northern Washington

Former scientific names

Schizymenia borealis, Neodilsea americana

References

AlgaeBase (opens in a new tab)

Last updated December 26, 2010