Results 171 to 180 of about 5,550 (213)

The inclusion of Acrophorus, Diacalpe, Nothoperanema, and Peranema in Dryopteris: The molecular phylogeny, systematics, and nomenclature of Dryopteris subg. Nothoperanema (Dryopteridaceae)

Taxon, 2012
Dryopteris (Dryopteridaceae) is one of the largest fern genera containing about 300 or more species. Sixty-five accessions representing all four subgenera and all 19 sections of Dryopteris recognized in current classifications, more than two-thirds of ...
Li-Bing Zhang
exaly   +1 more source

Dryopteris liboensis(Dryopteridaceae), a New Species in Dryopteris sect.Erythrovariae from Guizhou, China

Novon, 2012
Dryopteris liboensis P. S. Wang, X. Y. Wang & Li Bing Zhang, a new species of Dryopteris Adans. (Dryopteridaceae) from southern Guizhou, China, is described and illustrated. Dryopteris liboensis is assigned to Dryopteris subg. Etythrovariae (H.
Wang, Xiao-Ying, Zhang, LB (reprint author), Missouri Bot Garden, POB 299, St Louis, MO 63166 USA., Zhang, Li-Bing, Wang, Pei-Shan   +3 more
exaly   +1 more source

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Gymnocarpium dryopteris

2006
Enthält 6 Bilder des Eichenfarns.
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Dryopteris carthusiana

2006
Enthält 10 Bilder des Dornigen Wurmfarns.
openaire   +1 more source

Dryopteris cristata

2006
Enthält 6 Bilder des Kamm-Wurmfarns.
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Dryopteris villarii

2006
Enthält 5 Bilder des Starren Wurmfarns.
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Dryopteris dilatata

2006
Enthält 2 Bilder des Breitblättrigen Wurmfarns.
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Dryopteris huberi (Dryopteridaceae), an overlooked species, and a key for the species of Dryopteris in Brazil

Brittonia, 2014
Dryopteris huberi is a neglected species endemic to the northern and central parts of Brazil. In this paper we describe, illustrate, and distinguish it from D. patula, the most similar species, as well as from D. wallichiana, the only other species of the genus in Brazil. Second-step lectotypifications are provided for D. huberi and D. wallichiana.
Jefferson Prado, Regina Y. Hirai, Alan R. Smith   +2 more
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Differential Characters of Rhizomes of Dryopteris filix-mas and Dryopteris affinis

International Journal of Crude Drug Research, 1988
AbstractAn anatomical and histochemical investigation was carried out on the rhizomes of Dryopteris filix-mas (L.) Schott, and of Dryopteris affinis (Lowe) Fr.-Jenk. These rhizomes show considerable differences which permit their identification even without the fronds.
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Spore Studies in Dryopteris, II. Dryopteris celsa and D. separabilis

American Fern Journal, 1955
This was originally described from a plant collected by Jameson in the province of Esmeraldas, Ecuador. It is apparently an exceedingly rare and local species. A form with a somewhat more divided blade was described from Mount Pichincha by Hieronymus as Rhipidopteris tripartita var. subbiternata.
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