Size: Up to 10”+
Range: Alaska to California
Description: This seaweed grows attached to rocks or other seaweed and drapes down like ropes. The ropes are made up of tangled filaments and look like dread-locks.
Phylum: Chlorophyta (Green Algae)
Previous names: Conferva coalita, Spongomorpha coalita, Codiolum petrocelidis
Similar species: There are many similar species that are only distinguishable with a microscope, including Acrosiphonia coalita and Acrosiphonia spinescens.