Protomonostroma undulatum

Ephemeral spring blade

Authority: (Wittrock) K.L.Vinogradova

Thallus is a thin, monostromatic, orbiculate blade that develops from a uniseriate filament. Thalli can reach 30 cm (12 in) in diameter but are usually smaller. The entire blade or only the margins disintegrate upon maturation and release of zoospores.

Habitat

This species occurs in the mid to low intertidal on rock or is epiphytic.

North Pacific Distribution

Aleutian Islands, Alaska, to central coast of British Columbia.

Former scientific names

Monostroma areolatum, Monostroma undulatum

Similar taxa

Monostroma sp., Ulva spp.

References

AlgaeBase (opens in a new tab)

Last updated December 26, 2010