Turkish Washcloth

Mastocarpus papillatus

Turkish Washcloth on Rocky BeachTurkish WashclothTurkish Washcloth Close Up

Color: Brown (Yellowish, Reddish, Black when Dry)
Shape: Irregular Blade
Texture: Bumpy
Size: Up to 6”
Zone: Intertidal
Range: Alaska to Mexico

Description: Short, upright irregular blades that are rubbery and covered with small bumps. The ruffly blades taper to a small stipe and holdfast.

Edibility: Used to make carrageenan. Can be boiled to make a gel-like thickener at home as well.

Distinctive characteristics: Forms a black tar-like “crust” on rocks during one phase of its lifecycle.

Collection notes:

Phylum: Rhodophyta (Red Algae)
Previous names: Gigartina papillata, Gigartina sitchensis, Petrocelis franciscana, Petrocelis middendorffii, Gigartina mamillosa, Gigartina dichomta, Gigartina cristata
Similar species: Chondracanthus exasperatus (Turkish Towel)

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