Thlaspi sp.
Pennycress, Pennycress
(c) Jason Grant, some rights reserved (CC BY), uploaded by Jason Grant · licence
Family: Brassicaceae · Type: Annual · Not Native
Thlaspi sp. (Pennycress) is a non-native California annual in the Brassicaceae family.
How to tell it apart
vs Lepidium: Thlaspi pods are heart-shaped with 2-16 seeds; Lepidium pods are round to oval with only 2 seeds.; vs Caulanthus: Thlaspi has flattened heart-shaped pods; Caulanthus has narrow cylindrical pods.; vs Thelypodium: Thlaspi produces rounded heart-shaped pods; Thelypodium produces elongated linear pods.; vs Brassica: Thlaspi has small heart-shaped flattened pods; Brassica has elongated pods with a distinct beak.; vs Boechera: Thlaspi is annual with heart-shaped pods; Boechera is perennial with long narrow pods.
Frequently asked questions
Is Thlaspi sp. native to California?
No. Thlaspi sp. is not native to California (recorded as not native).
What plant family does Thlaspi sp. belong to?
Thlaspi sp. is in the Brassicaceae family, genus Thlaspi.
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.