Difference between revisions of "Athyrium filix-femina var. angustum"

(Willdenow) G. Lawson

Edinburgh New Philos. J. n.s. 19: 115. 1864.

Common names: Northern lady fern
IllustratedEndemic
Basionym: Aspidium angustum (Willdenow) C. Presl Sp. Pl. 5(1): 277. 1810
Synonyms: Athyrium angustum Athyrium filix-femina subsp. angustum (Willdenow) Clausen Athyrium filix-femina var. michauxii (Sprengel) Farwell
Treatment appears in FNA Volume 2.
imported>Volume Importer
m (Fixed Nfld. and Labr. distribution to match printed version.)
 
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|habitat=Moist woods, swamps, thickets
 
|habitat=Moist woods, swamps, thickets
 
|elevation=0–1100 m
 
|elevation=0–1100 m
|distribution=Greenland;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Del.;Ill.;Ind.;Iowa;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;W.Va.;Wis.
+
|distribution=Greenland;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Del.;Ill.;Ind.;Iowa;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;W.Va.;Wis.
 
|tables=
 
|tables=
 
|references=
 
|references=
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|habitat=Moist woods, swamps, thickets
 
|habitat=Moist woods, swamps, thickets
 
|elevation=0–1100 m
 
|elevation=0–1100 m
|distribution=Greenland;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Del.;Ill.;Ind.;Iowa;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;W.Va.;Wis.
+
|distribution=Greenland;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Del.;Ill.;Ind.;Iowa;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.Dak.;Vt.;Va.;W.Va.;Wis.
 
|reference=None
 
|reference=None
 
|publication title=Edinburgh New Philos. J.
 
|publication title=Edinburgh New Philos. J.

Latest revision as of 21:52, 20 February 2024

Petiole (7–)15–55 cm; scales brown to dark brown, linear-lanceolate, 8(–10) × 2 mm. Blade elliptic, 2-pinnatifid to 2-pinnate, (20–)30–75 × (5–)10–35 cm, moderately narrowed proximally, broadest near or just below middle, apex acuminate. Pinnae short-stalked or sessile, oblong-lanceolate. Pinnules decurrent onto costal wing or sessile, linear to oblong, base unequally cuneate, apex obtuse to acute or in larger leaves acuminate, lobed halfway or more to costules. Rachis, costae, and costules glabrous or with pale glands. Sori straight, less frequently hooked at distal end or horseshoe-shaped; sporangial stalks bearing glandular hairs; indusia irregularly dentate, ± ciliate. Spores yellow or brown. 2n = 80.


Habitat: Moist woods, swamps, thickets
Elevation: 0–1100 m

Distribution

V2 352-distribution-map.gif

Greenland, Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., Conn., Del., Ill., Ind., Iowa, Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., R.I., S.Dak., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
Masahiro Kato +
(Willdenow) G. Lawson +
Aspidium angustum +
Northern lady fern +
Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Conn. +, Del. +, Ill. +, Ind. +, Iowa +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, R.I. +, S.Dak. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1100 m +
Moist woods, swamps, thickets +
Edinburgh New Philos. J. +
Illustrated +  and Endemic +
Athyrium angustum +, Athyrium filix-femina subsp. angustum +  and Athyrium filix-femina var. michauxii +
Athyrium filix-femina var. angustum +
Athyrium filix-femina +
variety +