'Rhizoclonium rivulare' definitions:

Definition of 'Rhizoclonium rivulare'

From: GCIDE

Crow-silk \Crow"-silk`\ (kr?"s?lk`), n. (Bot.) A filamentous fresh-water alga (Conferva rivularis of Linnaeus, Rhizoclonium rivulare of Kutzing). [1913 Webster] crow's-nest