Chondracanthus exasperatus
Color: Red (Dark red to purple when young, red to yellow when older, can be iridescent when wet.)
Shape: Irregular Blade
Texture: Bumpy
Size: 12–32”
Zone: Low intertidal and subtidal
Range: Alaska to Mexico
Description: Broad blade, irregular edges. Small discoid holdfast, one or more blades per hold fast. Covered with small bumps (papillae).
Edibility: Used to make carrageenan
Distinctive characteristics:
Collection notes: Can be used like a loofah
Phylum: Rhodophyta (Red Algae)
Previous names: Gigartina exasperata, Gigartina californica, Gigartina radula
Similar species: Mastocarpus papillatus