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any of a genus of ferns characterized by scales found on the underside of the fronds
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Noun1.ceterach - small genus of Old World fernsCeterach - small genus of Old World ferns; superseded in some classification systems which place plants of this genus in e.g. genera Asplenium and Pleurosorus
fern genus - genera of ferns and fern allies
family Polypodiaceae, Polypodiaceae - ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
References in periodicals archive ?
The most frequent ferns were: Cystopteris fragilis, Cheilanthes persica, Asplenium ruta-muraria, Asplenium ceterach, Adiantum capillus-veneris and Cryptogramma stelleri.
Y 'rustyback fern' yn Saesneg - Ceterach officinarum.
Drought- tolerant plants are best suited for tight crevices and these include thyme, sempervivums, sedums and many dwarf ferns like Asplenium trichomanes and Ceterach officinarum.