familyDennstaedtiaceae
genusPteridium
speciesPteridium aquilinum
varietyPteridium aquilinum var. latiusculum

Difference between revisions of "Pteridium aquilinum var. latiusculum"

(Desvaux) L. Underwood ex A. Heller

Cat. N. Amer. Pl. ed. 3 17. 1909.

Carol A. Jacobs, James H. Peck
Common names: Eastern bracken
Illustrated
Basionym: Pteris latiuscula (Desvaux) Hieronymus ex Fries Mém. Soc. Linn. Paris 6. 2: 303. 1827
Synonyms: Pteridium latiusculum
Treatment appears in FNA Volume 2.
FNA>Volume Importer
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}}
 
}}
 
|common_names=Eastern bracken
 
|common_names=Eastern bracken
−
|basionyms={{Treatment/ID/Synonym
+
|special_status={{Treatment/ID/Special_status
 +
|code=F
 +
|label=Illustrated
 +
}}
 +
|basionyms={{Treatment/ID/Basionym
 
|name=Pteris latiuscula
 
|name=Pteris latiuscula
 
|authority=(Desvaux) Hieronymus ex Fries
 
|authority=(Desvaux) Hieronymus ex Fries
 +
|rank=species
 +
|publication_title=Mém. Soc. Linn. Paris
 +
|publication_place=6. 2: 303. 1827
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Pteridium latiusculum
 
|name=Pteridium latiusculum
−
|authority=unknown
+
|authority=
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Dennstaedtiaceae;Pteridium;Pteridium aquilinum;Pteridium aquilinum var. latiusculum
 
|hierarchy=Dennstaedtiaceae;Pteridium;Pteridium aquilinum;Pteridium aquilinum var. latiusculum
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|habitat=In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies
 
|habitat=In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies
 
|elevation=0–1500 m
 
|elevation=0–1500 m
−
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;N.S.;P.E.I.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;Mexico in Nuevo León;Europe;Asia.
+
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;P.E.I.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;Mexico in Nuevo León;Europe;Asia.
 
|discussion=<p>Colonies are more frequent in the northern part of the range. Fertile colonies, however, are more frequent in the southern and eastern portion of the range. Outliers in British Columbia and Alberta, which we have not seen, are documented in W. J. Cody and D. M. Britton (1989).</p>
 
|discussion=<p>Colonies are more frequent in the northern part of the range. Fertile colonies, however, are more frequent in the southern and eastern portion of the range. Outliers in British Columbia and Alberta, which we have not seen, are documented in W. J. Cody and D. M. Britton (1989).</p>
 
|tables=
 
|tables=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Pteridium aquilinum var. latiusculum
 
name=Pteridium aquilinum var. latiusculum
−
|author=
 
 
|authority=(Desvaux) L. Underwood ex A. Heller
 
|authority=(Desvaux) L. Underwood ex A. Heller
 
|rank=variety
 
|rank=variety
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|habitat=In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies
 
|habitat=In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies
 
|elevation=0–1500 m
 
|elevation=0–1500 m
−
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;N.S.;P.E.I.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;Mexico in Nuevo León;Europe;Asia.
+
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;P.E.I.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;Mexico in Nuevo León;Europe;Asia.
 
|reference=None
 
|reference=None
 
|publication title=Cat. N. Amer. Pl. ed. 3
 
|publication title=Cat. N. Amer. Pl. ed. 3
 
|publication year=1909
 
|publication year=1909
−
|special status=
+
|special status=Illustrated
−
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V2/V2_371.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_371.xml
 
|genus=Pteridium
 
|genus=Pteridium
 
|species=Pteridium aquilinum
 
|species=Pteridium aquilinum

Latest revision as of 20:23, 5 November 2020

Please click on the illustration for a higher resolution version.
Illustrator: John Myers

Copyright: Flora of North America Association

Petiole 15–100 cm. Blade broadly triangular to sometimes ovate, 3-pinnate or 3-pinnate-pinnatifid at base, 20–80 × 25–50 cm; blade margins and abaxial surface shaggy, rachises and costae glabrous or sparsely pilose abaxially. Pinnae (proximal) broadly triangular, distal pinnae narrowly triangular or oblong; terminal segment of each pinna ca. 2–4 times longer than wide, longer ultimate segments less than their width apart, ca. 3–6 mm wide. Pinnules at 45°–60° angle to costa; fertile ultimate segments adnate or equally decurrent and surcurrent. Outer indusia entire or somewhat erose, glabrous. 2n = 104.


Habitat: In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies
Elevation: 0–1500 m

Distribution

V2 371-distribution-map.gif

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., P.E.I., Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., R.I., S.C., S.Dak., Tenn., Vt., Va., W.Va., Wis., Mexico in Nuevo León, Europe, Asia.

Discussion

Colonies are more frequent in the northern part of the range. Fertile colonies, however, are more frequent in the southern and eastern portion of the range. Outliers in British Columbia and Alberta, which we have not seen, are documented in W. J. Cody and D. M. Britton (1989).

Selected References

None.

Lower Taxa

None.
... more about "Pteridium aquilinum var. latiusculum"
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Author
Carol A. Jacobs +  and James H. Peck +
Authority
(Desvaux) L. Underwood ex A. Heller +
Basionyms
Pteris latiuscula +
Common name
Eastern bracken +
Distribution
St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, P.E.I. +, Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Vt. +, Va. +, W.Va. +, Wis. +, Mexico in Nuevo León +, Europe +  and Asia. +
Elevation
0–1500 m +
Habitat
In barrens, pastures, open woodlands in moderately to strong acid soil, abundant, forming large colonies +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Number of lower taxa
0 +
Publication title
Cat. N. Amer. Pl. ed. 3 +
Publication year
1909 +
Reference
None +
Source xml
https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse grained fna xml/V2/V2 371.xml +
Special status
Illustrated +
Synonyms
Pteridium latiusculum +
Taxon family
Dennstaedtiaceae +
Taxon name
Pteridium aquilinum var. latiusculum +
Taxon parent
Pteridium aquilinum +
Taxon rank
variety +
Volume
Volume 2 +