Dryopteris expansa, the alpine buckler fern, northern buckler-fern[1] or spreading wood fern, is a species of perennial fern native to cool temperate and subarctic regions of the Northern Hemisphere, south at high altitudes in mountains to Spain and Greece in southern Europe, to Japan in eastern Asia, and to central California in North America. It prefers cool, moist mixed or evergreen forests and rock crevices on alpine slopes, often growing on rotting logs and tree stumps and rocky slopes. It is characteristically riparian in nature, and is especially associated with stream banks.
^BSBI List 2007(xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
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Dryopterisexpansa, the alpine buckler fern, northern buckler-fern or spreading wood fern, is a species of perennial fern native to cool temperate and...
being Dryopteris intermedia, known in North America as the intermediate wood fern, and an unknown, apparently extinct species dubbed Dryopteris semicristata...
Kristjan (2012), "Biological Flora of the British Isles: Dryopteris carthusiana, D. dilatata and D. expansa", Journal of Ecology, 100 (4): 1039–1063, doi:10.1111/j...
tetraploid species of hybrid origin, the parents being Dryopteris intermedia and Dryopterisexpansa. Phenotypologically, the fern greatly resembles the second...
present-day coastal California used extracts from the coastal woodfern, Dryopterisexpansa. Before quinoa can be eaten the saponin must be washed out from the...
are present in cave entrances including the spreading wood fern (Dryopterisexpansa) and the western swordfern (Polystichum munitum). These species are...
Pteridium aquilinum - common Dryopteris carthusiana - common Dryopteris cristata Dryopterisexpansa - common Dryopteris filix-mas - common Equisetum arvense...
Neckeraceae Neomacounia nitida Family Pteridaceae Adiantum lianxianense Dryopteris ascensionis Family Delesseriaceae Vanvoorstia bennettiana Family Cyperaceae...
genus †Dryinoides oxyrhachis – type locality for species Dryopteris †Dryopteris lakesi †Dryopteris serrata Contents A B C D E F G H I J K L M N O P Q R S...
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