Egeria sp.
Brazilian waterweed, Brazilian Waterweed
Family: Hydrocharitaceae · Type: Perennial · Not Native
Egeria sp. (Brazilian waterweed) is a non-native California perennial in the Hydrocharitaceae family.
How to tell it apart
vs Najas: Egeria has large leaves (1.2-4 cm) and showy white flowers; Najas has tiny leaves and no petals.; vs Hydrilla: Egeria leaves are large (1.2-4 cm long); Hydrilla leaves are much smaller (under 1.5 cm).; vs Elodea: Egeria has large leaves (1.2-4 cm) and flowers with 8-10mm petals; Elodea has tiny leaves and inconspicuous flowers.; vs Ottelia: Egeria is fully submerged with whorled leaves; Ottelia has floating leaf rosettes and emergent flowers.; vs Limnobium: Egeria is submerged with whorled narrow leaves; Limnobium has round floating leaves on spongy stalks.
Frequently asked questions
Is Egeria sp. native to California?
No. Egeria sp. is not native to California (recorded as not native).
What plant family does Egeria sp. belong to?
Egeria sp. is in the Hydrocharitaceae family, genus Egeria.
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.