Iva sp.
Marsh-elder, Marsh-Elder
(c) Leila Dasher, some rights reserved (CC BY) · licence
Family: Asteraceae · Type: Perennial · Native
Iva sp. (Marsh-elder) is a native California perennial in the Asteraceae family.
How to tell it apart
vs Ambrosia: Iva has simple, usually entire leaves and weakly fused anthers; Ambrosia has deeply lobed leaves and completely free anthers.; vs Atriplex: Iva is in the sunflower family with tiny flower heads; Atriplex is in the goosefoot family with scaly-mealy leaves and wind-pollinated flowers.; vs Encelia: Iva has inconspicuous heads without rays in wet alkaline sites; Encelia has showy yellow daisy heads in dry upland habitats.; vs Isocoma: Iva has entire leaves and anthers free or weakly fused; Isocoma has toothed leaves and completely fused anthers.; vs Baccharis: Iva has bisexual disk flowers with anthers; Baccharis has male and female flowers on separate plants.
Frequently asked questions
Is Iva sp. native to California?
Yes. Iva sp. is native to California (recorded as native).
What plant family does Iva sp. belong to?
Iva sp. is in the Asteraceae family, genus Iva.
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.