Tectaria heracleifolia — Details

Broad Halberd Fern learn more about names for this taxon

Overview

Distribution

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Polypodium cordifolium M. Martens & Galeotti:
Mexico (Mesoamerica)
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Tectaria heracleifolia var. maxima C.V. Morton:
Mexico (Mesoamerica)
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Tectaria heracleifolia (Willd.) Underw.:
Venezuela (South America)
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National Distribution

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United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

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Stems erect, compact. Petiole straw-colored or rarely brown, 1--2 times length of blade, glabrous on both surfaces, base scaly; scales linear to lanceolate, 3--10 × 0.5--2 mm. Blade ovate to pentagonal, 1-pinnate or (in small plants) ternately lobed, (12--)20--40(--50) × 14--40(--45) cm. Rachis and costae glabrous abaxially. Pinnae 1--2(--3) pairs, 12--22 cm, base cordate, margins shallowly lobed, with pair of basal lobes and without proliferous buds in axils. Areoles with included veinlets. Indusia peltate. 2 n = 160.
  • Flora of North America @ eFloras.org
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Diagnostic Description

Synonym

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Aspidium heracleifolium Willdenow, Sp. Pl. 5(1): 217. 1810
  • Flora of North America @ eFloras.org
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Ecology

Habitat

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Comments: Epipetric or terrestrial on or around limestone, in lime sinks and in hammocks (Lellinger, 1985).

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Habitat & Distribution

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Rocky hammocks, limestone outcrops in shade, cave entrances; 0--100 m; Fla., Tex.; Mexico; West Indies in Antilles; Central America; South America to Peru.
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Conservation

Conservation Status

National NatureServe Conservation Status

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United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

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Rounded Global Status Rank: G5 - Secure

Reasons: Widespread and common. Found from Florida and the Bahamas, to the Greater and Lesser Antilles, and continental tropical America from Mexico to Peru and Venezuela.

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