Cyperus melanostachyus
Member of
flatsedges (genus Cyperus)
sedges (family Cyperaceae)
grasses, sedges, cattails, and allies (order Poales)
monocots (class Liliopsida)
flowering plants (subphylum Angiospermae)
Toxicity of cyperus (Cyperus spp.):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.
Chris’s observations: none
Not all sites agree about the scientific name:
Bay Area species: iNaturalist – Calflora