Alyssum sp.
(c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson · licence
Family: Brassicaceae · Type: Perennial · Not Native
Alyssum sp. is a non-native California perennial in the Brassicaceae family.
How to tell it apart
vs Lepidium: Alyssum has yellow flowers and star-shaped hairs; Lepidium has white flowers and simple hairs, pods often notched at tip.; vs Lobularia: Alyssum has yellow flowers and star-shaped hairs; Lobularia has white/purple flowers and distinctive two-pronged fork-like hairs.; vs Dithyrea: Alyssum has tiny yellow petals (1.5-4mm); Dithyrea has huge white petals (10-15mm) and spectacle-shaped fruits.; vs Euclidium: Alyssum fruits are flat and disc-like when developing; Euclidium fruits are plump and three-dimensional from the start.; vs Aubrieta: Alyssum is annual with short style (under 2mm); Aubrieta is perennial with very long style (4-12mm).
Frequently asked questions
Is Alyssum sp. native to California?
No. Alyssum sp. is not native to California (recorded as not native).
What plant family does Alyssum sp. belong to?
Alyssum sp. is in the Brassicaceae family, genus Alyssum.
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.