Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Poaceae / Gramineae ⟩ Rostraria cristata / Mediterranean hair-grass

Rostraria cristata (L.) Tzvelev

Mediterranean hair-grass (Poaceae / Gramineae)

 SpreadBias within British IslesDirection of bias
Very localVery strong tendencySE
Plant Atlas 2020
BSBI Distribution Map

Rostraria cristata is a non-native grass, often confused with our native Koeleria macrantha.

Harrow (VC21: Middlesex); 2018-05-17

 Mediterranean hair-grass / Rostraria cristata: _Rostraria cristata_ is a non-native grass, often confused with our native _Koeleria macrantha_.

The flowers of Rostraria cristata have shorter anthers and longer-awned lemmas than Koeleria macrantha, with 5 lemma veins rather than 3.

Harrow (VC21: Middlesex); 2018-05-17

 Mediterranean hair-grass / Rostraria cristata: The flowers of _Rostraria cristata_ have shorter anthers and longer-awned lemmas than _Koeleria macrantha_, with 5 lemma veins rather than 3.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne