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Photo	Pteridium	Polystichum			(dryopteris)
Goto:

Dryopteris Adanson, 1763

Alvejuuret Wood Ferns Shield Ferns
Dryopteris, Biota of North America Program (query database) [BONAP]
Dryopteris, Den Virtuella Floran [DVF]
Dryopteris (Polypodiaceae) ; [TSF, 3]; [FPN, 50]

Foodplants for Blasticotoma filiceti filiceti

Dryopteris filix-mas (L.) Schott, 1834

Kivikkoalvejuuri Male-fern Träjon Echter Wurmfarn Dryoptéris Fougère mâle
Polypodium filix-mas L., 1753
Aspidium filix-mas (L.); Swartz, 1801
Dryopteris filix-mas ; [TFG, 114]; [TSF, #11]; [FPN, 51]; [RK, 49]

783x1044 (~180Kb) Finland, Nokia, Utola, 20.6.2005, Photo © Harri Arkkio

902x640 (~118Kb) Finland, Nokia, Utola, 20.6.2005, Photo © Harri Arkkio

Dryopteris cristata (L.) Gray, 1848

Korpialvejuuri Gray Crested Shield Fern Narrow Swamp Fern Crested Wood Fern Granbräken Kammfarn Dryoptéris à crétes
Polypodium cristatum L., 1753
Aspidium cristatum (L.); Swartz, 1801
Nephrodium cristatum (L.); Michaux, 1803
Dryopteris cristata, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]
Dryopteris cristata, Bilder ur Nordens Flora (in Swedish) [RUNEBERG]
Dryopteris cristata ; [TFG, 106]; [TSF, #12]; [FPN, 51]; [RK, 49]

Dryopteris carthusiana (Vill.) H.P. Fuchs

Metsäalvejuuri Narrow Buckler-fern Spinulose Shield Fern Skogsbräken
Dryopteris spinulosa (Roth); Kunze
Dryopteris carthusiana; [RK, 50]
Dryopteris carthusiana, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]

700x571 (~104Kb) FINLAND: Ka: Virolahti, Virojoki 671:53, 19.9.1998, Photo © Markku Savela Dryopteris carthusiana det. Tapio Lahtonen

900x601 (~79Kb) FINLAND: Ka: Virolahti, Virojoki 671:53, 19.9.1998, Photo © Markku Savela Dryopteris carthusiana det. Tapio Lahtonen

700x583 (~38Kb) FINLAND: Ka: Virolahti, Virojoki 671:53, 19.9.1998, Photo © Markku Savela Dryopteris carthusiana det. Tapio Lahtonen

Foodplant for Udea decrepitalis

?D. c. -

Toothed Wood Fern Spinulose Wood Fern

Dryopteris lanceolatocristata (Hoffmann); Alston, 1957 Polypodium lanceolatocristata Hoffmann, 1790 Polypodium spinulosum Mueller, 1767-77

Aspidium spinulosum (Mueller); Swartz, 1801 Dryopteris spinulosa (Mueller); Watt, 1867 Dryopteris austriaca v. spinulosa (Mueller); Fiori, 1943

Dryopteris spinulosa ; Watt, 1867, [TFG, 120 (invalid?)]

Dryopteris carthusiana × cristata

Dryopteris × uliginosa (A. Braun ex Döll); Druce
Dryopteris carthusiana × cristata ; [RK, 50]

Dryopteris expansa (C. Presl.) Fraser-Jenkins & Jermy

Isoalvejuuri Nordbräken
Dryopteris assimilis S. Walker
Dryopteris austriaca auct.
Dryopteris dilatata auct.
Dryopteris expansa ; [RK, 50]

Dryopteris dilatata (Hoffm.) A. Gray, 1848

Etelänalvejuuri Broad Buckler-fern Lundbräken
Polypodium dilatatum Hoffmann, 1795
Dryopteris austriaca auct.
Dryopteris dilatata ; [TFG, 118]; [RK, 50]

D. d. v. (?)

Mountain Wood Fern Spreading Wood Fern

Aspidium spinulosum v. anadenium Robinson, 1907 Dryopteris spinulosa v. americana (Fischer); Fernald, 1915 Aspidium spinulosa v. americanum Fischer, 1848

Dryopteris campyloptera (Kunze); Clarkson, 1930 Aspidium campylopterum Kunze, 1848

Dryopteris dilata ; [TFG, 118]

Dryopteris fragrans (L.) Schott, 1834

Tuoksualvejuuri Fragrant Shield Fern Fragrant Wood Fern Doftbräken
Polypodium fragrans L., 1753
Dryopteris fragrans ; [TFG, 104]; [RK, 51]

732x500 (~146Kb) Above the village Novyi Akatuy, the junction of the mountain ranges Uryumkanskii and Kukul'bei, Aleksandrovskozavodskoi District, E Chita Region, E Transbaikalia, Siberia, Russia. 23rd July 1997, Photo © Oleg Kosterin

D. f. v. remotiuscula (Komarov) Komarov, 1934

Nephrodium fragrans v. remotiusculum Komarov, 1911
Dryopteris fragrans v. remotiuscula ; [TFG, 105 (note)]

Other hybrids

17.9.2005 (14)

References:

[BONAP]

A Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands; A data base interface; BONAP U.S. Checklist - 1998; Provided by TAMU-BWG; Texas A & M Bioinformatics Working Group; Based on; Biota of North America Program

[DVF]

Den Virtuella floran; http://linnaeus.nrm.se/flora/welcome.html; Ett projekt vid Naturhistoriska riksmuseet (Stockholm, Sweden).; Even for non-Swedish speaker, the distribution maps on species are nice (map buttons "Norden" and "Norra halvklotet")

[FPN]

Hitchcock & Cronquist, 1998; Flora of the Pacific Northwest (11th ed.); ISBN 0-295-95273-3

[Harri Arkkio]

Finland

[Oleg Kosterin]

Institue of Cytology & Genetics; Siberian Division of Russian Academy of Sciences; Novosibirsk; e-mail: Oleg Kosterin; http://pisum.bionet.nsc.ru/kosterin/

[RK]

Hämet-Ahti, L., Suominen, J., Ulvinen, T. & Uotila, P. (eds), 1998; Retkeilykasvio (Field Flora of Finland); Ed. 4. 656 pp.; Finnish Museum of Natural History, Botanical Museum. Helsinki

[RUNEBERG]

Project Runeberg: Nordic literature online; Project Runeberg; Bilder ur Nordens Fauna (Carl Axel Magnus Lindman)

[TFG]

Edgar T. Therry, ?1995; The Fern Guide: Northeasten and Midland United States and Adjacent Canada; [Original publication 1961]

[TSF]

Eduard Thommen, 1951; Taschenatlas der Schweizer Flora

[USGS]

Northern Prairie Wildlife Research Center; http://www.npwrc.usgs.gov/index.htm

If you have corrections, comments or information to add into these pages, just send mail to Markku Savela
Keep in mind that the taxononic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.