Black tar spot, Grapestone
Mastocarpus papillatus
Family: Gigartinaceae
What it is like
A seaweed.
Where it is found
It is a temperate plant.
Countries/locations it is found in
Alaska, Canada, Chile, North America, Pacific, Russia, South America, USA
How it is used for food
Edible parts
Algae, seaweed
How it is grown
Its other names
Local names
Synonyms
Sphaerococcus papillatus C. Agardh; and others