Guilleminea sp.
Family: Amaranthaceae · Type: Perennial · Not Native
Guilleminea sp. is a non-native California perennial in the Amaranthaceae family.
How to tell it apart
vs Amaranthus: Amaranthus grows upright with alternate leaves; Guilleminea forms flat ground-hugging mats with opposite leaves.; vs Alternanthera: Alternanthera has swollen stems and grows near water; Guilleminea has thin stems in dry disturbed ground.; vs Nitrophila: Nitrophila has thick succulent leaves; Guilleminea has thin, flat leaves.; vs Tidestromia: Tidestromia is densely woolly-fuzzy all over; Guilleminea is smooth or nearly so.
Frequently asked questions
Is Guilleminea sp. native to California?
No. Guilleminea sp. is not native to California (recorded as not native).
What plant family does Guilleminea sp. belong to?
Guilleminea sp. is in the Amaranthaceae family, genus Guilleminea.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.