Plant Communities:
Foothill Woodland
Southern Oak Woodland
Coastal Sage Scrub
Northern Coastal Scrub
Mixed Evergreen Forest
Yellow Pine Forest
wetland-riparian

Synonyms:
Cyperus diandrus var. capitatus
Cyperus diandrus var. castaneus
Cyperus melanostachyus
Cyperus niger var. capitatus
Cyperus niger var. castaneus
Pycreus niger