Hydrocotyle sp.
Marsh pennywort, Marsh Pennywort
(c) Elix Hernandez, some rights reserved (CC BY), uploaded by Elix Hernandez · licence
Family: Araliaceae · Type: Perennial · Native
Hydrocotyle sp. (Marsh pennywort) is a native California perennial in the Araliaceae family.
How to tell it apart
vs Oxalis: Hydrocotyle has round leaves attached at the center; Oxalis has heart-shaped leaflets in threes attached at the edges.; vs Geranium: Hydrocotyle has shield-like leaves attached at the center; Geranium has deeply lobed leaves attached at the edges.; vs Pilea: Hydrocotyle has perfectly round peltate leaves; Pilea has oval to lance-shaped leaves attached at the edge.; vs Claytonia: Hydrocotyle has round leaves attached at blade center; Claytonia has oval to spoon-shaped leaves attached at the edge.; vs Tropaeolum: Hydrocotyle is tiny and creeping; Tropaeolum is larger and trailing with distinctive spurred flowers.
Frequently asked questions
Is Hydrocotyle sp. native to California?
Yes. Hydrocotyle sp. is native to California (recorded as native).
What plant family does Hydrocotyle sp. belong to?
Hydrocotyle sp. is in the Araliaceae family, genus Hydrocotyle.
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.