Limnobium sp.
Frogbit, Frogbit
(c) Gabriel Campbell-Martinez, some rights reserved (CC BY) · licence
Family: Hydrocharitaceae · Type: Perennial · Not Native
Limnobium sp. (Frogbit) is a non-native California perennial in the Hydrocharitaceae family.
How to tell it apart
vs Pontederia: Limnobium has small round floating leaves; Pontederia has large upright arrow-shaped leaves emerging above water.; vs Najas: Limnobium floats with round leaves; Najas is fully submerged with narrow leaves on branching stems.; vs Hydrilla: Limnobium floats on surface; Hydrilla grows entirely underwater with whorled narrow leaves.; vs Elodea: Limnobium has floating round leaves; Elodea is submerged with whorled narrow leaves on stems.; vs Egeria: Limnobium floats with heart-shaped leaves; Egeria grows submerged with whorled narrow leaves on stems.
Frequently asked questions
Is Limnobium sp. native to California?
No. Limnobium sp. is not native to California (recorded as not native).
What plant family does Limnobium sp. belong to?
Limnobium sp. is in the Hydrocharitaceae family, genus Limnobium.
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.