Avenella flexuosa
species of plant, wavy hair-grass
Avenella flexuosa, commonly known as wavy hair-grass, is a species of bunchgrass in the grass family widely distributed in Eurasia, Africa, South America, and North America.
Description
Wavy hair-grass, Avenella flexuosa, has wiry leaves and delicate, shaking panicles formed of silvery or purplish-brown flower heads on wavy, hair-like stalks.
The leaves are bunched in tight tufts with plants forming a very tussocky, low sward 5 to 20 cm tall before flowering, to 30 cm high.
Distribution and habitat
Avenella flexuosa is found naturally in dry grasslands and on moors and heaths.
It is also an important component of the ground flora of birch and oak woodland.
The plant has a preference for acidic, free-draining soil, and avoids chalk and limestone areas. It can exist over 1,200 metres (3,900 ft) above sea level.
This brief starts where responsible research should: with the source description of “Avenella flexuosa” as species of plant, wavy hair-grass. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of plant, wavy hair-grass. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Feb 14, 2026. The linked authority identifier is Q106580875. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Avenella flexuosa” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.