Ophioglossaceae


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Noun1.Ophioglossaceae - a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution
Ophioglossales, order Ophioglossales - coextensive with the family Ophioglossaceae
genus Ophioglossum, Ophioglossum - the type genus of the fern family Ophioglossaceae
Botrychium, genus Botrychium - grape fern; moonwort
genus Helminthostachys, Helminthostachys - one species: terrestrial fern of southeastern Asia and Australia
fern family - families of ferns and fern allies
References in periodicals archive ?
The family Ophioglossaceae is one of the oldest fern lineages, characterized by a specific sporophyte structure where each leaf is divided into a fertile (sporophore) and a sterile (trophophore) segment.
Windham OPHIOGLOSSACEAE (Grapefern Family) Botrychium campestre W.
Dryopteridaceae, the largest family, is represented by seven genera, nine species and one hybrid; Thelypteridaceae by three genera and seven species; Pteridaceae by three genera, six species and one variety; Ophioglossaceae by two genera and eight species; Lycopodiaceae by two genera, six species and three hybrids.
OPHIOGLOSSACEAE (Adder's Tongue Family) Botrychium virginianum (L.
He concludes that the shoot system is composed of an aggregation of telomes and mesomes that have arisen by repeated dichotomies, and that the Ophioglossaceae may well have arisen more or less directly from the Psilophytales.
Species of the genus Sceptridium, like other members of Ophioglossaceae, are difficult to distinguish.
Amplification of noncoding chloroplast DNA for phylogenetic studies in lycophytes and monilophytes with a comparative example of relative phylogenetic utility from Ophioglossaceae.
On the other hand the Northeast richness center appears to be the result of high numbers of species from several families including the Dryopteridaceae, Osmundaceae, and Ophioglossaceae among others.
Sporangia borne on a separate fertile, spike-like sporophore, usually arising from a single leaf (occasionally 2 or more leaves in some species) Ophioglossaceae (in part)