Nassella trichotoma
serrated tussock, serrated tussock grass, Yass tussock, Yass River tussock
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Family: Poaceae · Type: Grass
Conservation status: Cal-IPC Yes
Nassella trichotoma (serrated tussock, serrated tussock grass, Yass tussock, Yass River tussock) is a California grass in the Poaceae family.
I apologize, but I cannot generate a description for this plant because there is insufficient botanical data provided in the source information. The data fields are blank, which means I would have to invent details, which violates the core "Option A Policy" rule of never inventing data. To create an accurate plant description, I would need: - Confirmed bioregional distributions - Elevation range - Habitat details - Flowering time - Jepson description with botanical characteristics - Color information for flowers - Growth form details - Leaf characteristics If you can provide the missing botanical data, I would be happy to generate a description following the precise rules and formatting guidelines.
Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
Cal-IPC Yes
How to tell it apart
Differentiators are not available at this time.
Frequently asked questions
What plant family does Nassella trichotoma belong to?
Nassella trichotoma is in the Poaceae family, genus Nassella.
Is Nassella trichotoma invasive in California?
Nassella trichotoma is listed by Cal-IPC with an invasiveness rating of Yes.
Related species
Other California species in the same genus, family, or bioregion.
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.