Briza media

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Briza media
Briza media.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Genus: Briza
B. media
Binomial name
Briza media

Briza media is a perennial grass in the family Poaceae and is a species of the genus Briza.

Common name includes quaking-grass, common quaking grass, cow-quake, didder, dithering-grass, dodder-grass, doddering dillies, doddle-grass, earthquakes, jiggle-joggles, jockey-grass, lady's-hair, maidenhair-grass, pearl grass, quakers, quakers-and-shakers, shaking-grass, tottergrass, wag-wantons


Grows to 40cm and flowers June to September in the UK. Characterised by fine stems and hops-shaped green and purple spikelets[1]. Distinguished from the closely related Briza maxima by the size of the flower spikelets.

Distribution and habitat[edit]

This grass species is common in England and Wales [2] It grows in dry calcareous grassland[3]. Its seeds are consumed by many farmland birds.


  • "Briza media". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2007-10-18.