Sea Cauliflower

Lethesia difformis

Color: Brown (Golden)
Shape: Pod-like
Texture: Bumpy
Size: Up to 6”
Zone: Intertidal
Range: Alaska to Mexico

Description: This seaweed looks like small yellow-brown brains growing on the rocks or on other seaweeds. The interior is hollow. Sea Cauliflower tends to grow in clusters.


Distinctive characteristics: Disentegrates into filaments when squeezed.

Collection notes:

Phylum: Phaeophyta (Brown Algae)
Previous names: Tremella difformis 
Similar species: Soranthera ulvoidea and Colpomenia bullosus when young.

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