Asplenium sp.
Spleenwort, Spleenwort
(c) Joe Potter Butler, some rights reserved (CC BY), uploaded by Joe Potter Butler · licence
Family: Aspleniaceae · Type: Fern · Variable; species dependent
Asplenium sp. (Spleenwort) is a non-native California fern in the Aspleniaceae family.
How to tell it apart
vs Polystichum: Asplenium has linear to J-shaped sori; Polystichum has round sori with umbrella-like covers.; vs Rumex: Asplenium has fern fronds with sori underneath; Rumex has simple flowering plant leaves with papery sheaths.; vs Nephrolepis: Asplenium has free veins ending at margins; Nephrolepis has veins that form connecting loops.; vs Marsilea: Asplenium has typical fern fronds; Marsilea has four-parted clover-like leaves on creeping stems.; vs Blechnum: Asplenium sori are scattered along veins; Blechnum sori form continuous lines parallel to the midrib.
Frequently asked questions
Is Asplenium sp. native to California?
No. Asplenium sp. is not native to California (recorded as variable; species dependent).
What plant family does Asplenium sp. belong to?
Asplenium sp. is in the Aspleniaceae family, genus Asplenium.
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.