friesian

A breed of black and white dairy cattle; any individual cow of that breed.

[...] the more expensive and creamier Jersey or South Devon milk, for example, is kept apart from Friesian milk, with its low butter content.

A black breed of horse.

Of or relating to the work of Swedish mycologist and botanist Elias Magnus Fries, who described and assigned botanical names to hundreds of fungus and lichen species.

For a hundred years, treatment of the basidiomycetes, which include so many of the larger fungi, has been dominated by the Friesian approach which had—and still has—the attraction of differentiating fungi into groups mainly on field characters.

Alternative form of Frisian.