Parent species: Alopecurus aequalis
Synonyms: Alopecurus aequalis var. natans Alopecurus aristulatus Alopecurus geniculatus var. aristulatus
Counties: Alpine Butte Colusa Del Norte Glenn Inyo Lake Lassen Mendocino Mono Modoc Nevada Placer Plumas San Bernardino San Diego Shasta Sierra Siskiyou Sonoma Trinity Tulare