rattlesnake grasses

genus Briza

Member of grasses (family Poaceae)
grasses, sedges, cattails, and allies (order Poales)
monocots (class Liliopsida)
flowering plants (subphylum Angiospermae)

There are no other wild species of this genus in California.

greater quaking grass
Briza maxima

greater quaking grass
Briza maxima

spikelets 10–19 mm

all sprout from a common axis

little quaking-grass
Briza minor

little quaking-grass
Briza minor

spikelets 2–5 mm

sprout from forked branches

2 observed taxons / 1 key

Chris’s observations: 31 (all are research grade)

Locations:

Wilder Ranch SP: 7
Sweeney Ridge National Recreation Area: 3
Butano SP: 2
Edgewood Park & Natural Preserve: 2
Purisima Creek Redwoods OSP: 2
Sierra Azul OSP: 2
Big Basin SP
Coal Creek OSP
DeLaveaga Park, Santa Cruz
El Corte de Madera OSP
El Sereno OSP
Golden Gate National Recreation Area
Jacks Peak CP
Mt. Madonna SP
Picchetti Ranch OSP
Russian Ridge OSP
Sanborn CP
Santa Teresa CP
Stevens Creek CP

Months:

Apr.: 3
May: 11
Jun.: 9
Jul.: 4
Aug.: 2
Sep.: 0
Oct.: 2

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora