Overview

Distribution

Range Description

This species is found in tropical America along both the Pacific and Atlantic coasts and in western Africa. However, the limits of its distribution are not well known. In the Caribbean, it is found from southern Florida to Rio de Janiero. In the eastern Pacific, it is found from southern Mexico to northern Ecuador. Along the western African coast, it is found from Guinea to Angola.
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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Fla.; Central America; South America.
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Physical Description

Morphology

Description

Stems usually erect, infrequently branched. Leaves ascending or erect, 1.5--5 m × 15--60 cm. Rachis shallowly grooved abaxially, flat or shallowly grooved adaxially. Pinnae 20--32(--64), distant to closely spaced, usually overlapping, 7--37 × 1.5--5.5 cm, tapering toward apex, abruptly acute at tip; costal areoles less than 3 times longer than wide; most pinnae of fertile leaves bearing sporangia. Sporangia spread over abaxial surface of fertile pinnae; paraphyses stalked, ending with horizontally extended, smooth or little-lobed cell. Spores (44--)54(--72) µm diam., surface minutely roughened with small projecting papillae. 2 n = 60.
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Diagnostic Description

Synonym

Acrostichum lomarioides Jenman
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Type Information

Isotype for Chrysodium lomarioides var. hastatum Christ
Catalog Number: US 1791746
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): G. Munch
Locality: Hot Sulpur Spring near El Carmen, 200 mi from coast., Chiapas, Mexico, North America
  • Isotype: Christ, H. 1905. Bull. Herb. Boissier ser. 2. 5: 725.
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Isotype for Acrostichum leptophlebium Baker in Thurn
Catalog Number: US 62512
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): E. F. im Thurn
Year Collected: 1884
Locality: Mount Roraima., Guyana, South America
  • Isotype: Baker, J. G. 1886. Timehri. 5: 219.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is a fern and grows in the under canopy. It is found in intermediate upstream and high intertidal areas (Tomlinson 1986).

Systems
  • Terrestrial
  • Freshwater
  • Marine
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Somewhat saline to freshwater swamps, canal and pond margins, commonly in sinkholes in hammocks, disturbed marl sites, inland to coastal regions; 0--50m.
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Depth range based on 6 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 1 - 1
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Acrostichum danaeifolium

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Acrostichum danaeifolium

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Duke, N.

Reviewer/s
Polidoro, B.A., Livingstone, S.R. & Carpenter, K.E. (Global Marine Species Assessment Coordinating Team)

Contributor/s

Justification
This species is commonly confused with A. aureum, and the limits of its distribution are not well-known. However, as it appears to have a wide distribution range and occurs in similar areas where A. aureum is found it is presumably not under any threat and hence it is listed as Least Concern. More research is needed on this species distribution, population status, habitat requirements and threats.
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National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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Population

Population
The population status of this species is not well known as it is often confused with A. aureum.

Population Trend
Unknown
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Threats

Major Threats
There are no known threats to this species. It is often confused with A. aureum which is a threat to other mangrove systems, and in disturbed mangrove systems this species can take over and is difficult to eradicate.
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Management

Conservation Actions

Conservation Actions
There are no conservation measures specific to this species, but its range may include some marine and coastal protected areas. More research is needed on this species distribution, population status, habitat requirements and threats, as it is not-well known and is often confused with A. aureum.
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Notes

Comments

These species frequently can be distinguished by the distribution of pinnae, the distribution of fertile pinnae, the shape of the costal areoles, and the structure of the paraphyses. In parts of Florida, their distributions are contiguous and abruptly separated by habitat. Acrosticum aureum is more frequently found in coastal shaded areas, in saline black-mangrove communities, and in the southern and southwestern parts of the state. Acrostichum danaeifolium grows vigorously in full sun and is common and widely distributed in Florida, where it has been collected in virtually every county throughout the southern two-thirds of the state. Hybrids have been produced in the laboratory, although these have not been analyzed cytologically. Hybrids are apparently rare in the field and have been reported only in the Dominican Republic (I. García de López 1978).
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