Pteridium aquilinum var. pseudocaudatum

(Clute) A. Heller

Cat. N. Amer. Pl. ed. 2 12. 1900

Common names: Tailed bracken
Basionyms: Pteris aquilina var. pseudocaudata Clute Fern Bull. 8: 39. 1900
Treatment appears in FNA Volume 2.
Petiole 10–70 cm. Blade broadly triangular to sometimes ovate, 2–3-pinnate-pinnatifid at base, 20–80 × 20–70 cm; blades, rachises, and costae sparsely pilose to glabrous abaxially. Pinnae (proximal) ovate-lanceolate or triangular, distal pinnae oblong; terminal segment of each pinna ca. 6–15 times longer than wide, longer ultimate segments 1–2 times their width apart, ca. 2–5 mm wide. Pinnules at 45–60° angle to costa; fertile ultimate segments adnate or equally decurrent and surcurrent. Outer indusia entire to somewhat erose, glabrous.

Habitat: In barrens and open pine or oak woods in acid, often sandy soil, abundant, forming large colonies
Elevation: 0–1000 m

Distribution

V2 424-distribution-map.gif

Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.

Discussion

Pteridium aquilinum var. pseudocaudatum is more common in the southern portion of the range.

Selected References

None.

Lower Taxa

None.

AuthorCarol A. Jacobs + and James H. Peck +
Authority(Clute) A. Heller +
BasionymsPteris aquilina var. pseudocaudata +
Common nameTailed bracken +
DistributionAla. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. + and W.Va. +
Elevation0–1000 m +
HabitatIn barrens and open pine or oak woods in acid, often sandy soil, abundant, forming large colonies +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorJohn Myers +
Publication titleCat. N. Amer. Pl. ed. 2 +
Publication year1900 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V2/V2 424.xml +
Taxon familyDennstaedtiaceae +
Taxon namePteridium aquilinum var. pseudocaudatum +
Taxon parentPteridium aquilinum +
Taxon rankvariety +
VolumeVolume 2 +