Is it a native?

Shell Grass - introduced (*Briza maxima)

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The grass plant

shell grass shell grass shell grass

Native to southern Europe. Annual. C3.

Family. Poaceae (Grass family).

Other names: Blowfly Grass, Quaking Grass.


A very common forest weed. It is an environmental weed. This is one of the few introduced grasses that can thrive in the dry forests of central Victoria. It is less common in weedy grasslands.

Briza: a kind of rye; maxima: the largest.

1,2,3. The flowers of Shell Grass are distinctive. The name 'shell" refers to the way the florets nestle together. Castlemaine.

Shivery Grass (Briza minor) has much smaller flowers, and is less common.