Perigynia is oval-orbicular to obovate, 3-4.5 mm long, marginally 2-ribbed, and strongly to obscurely several nerved on both faces. It is straw-colored or brownish, red-dotted, puncticulate, rounded and stipitate at base, and abruptly short-beaked (0.2-0.5mm). The plant is found in moist places along streams or slopes, occasionally bordering marshes. Its distribution ranges from the mountains of coastal southern California, San Bernadino Mountains, Channel Islands, Coast Ranges from Ventura County north to Humboldt County, in the Central Valley, and in the Sierra Nevada foothills from Fresno County north to El Dorado County.