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Ophioglossum engelmannii Prantl
LIMESTONE ADDERS TONGUE FERN
Limestone adderstongue

Life   Plantae   Pteridophyta   Ophioglossaceae   Ophioglossum

Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii

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Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii
Ophioglossum engelmannii, whole plant - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii, whole plant - unspecified

Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii
Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii

Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii
Ophioglossum engelmannii
© Copyright Steve Baskauf, 2002-2011 · 4
Ophioglossum engelmannii

Ophioglossum engelmannii
© George Yatskievych, 2003 · 1
Ophioglossum engelmannii
Ophioglossum engelmannii
© Copyright Michael Strickland, 2008 · 1
Ophioglossum engelmannii

Ophioglossum engelmannii, entire
© George Yatskievych, 2006-2011 · 1
Ophioglossum engelmannii, entire
Ophioglossum engelmannii, sporangia
© George Yatskievych, 2006-2011 · 1
Ophioglossum engelmannii, sporangia

Ophioglossum engelmannii, sporophyll
© George Yatskievych, 2006-2011 · 1
Ophioglossum engelmannii, sporophyll
Ophioglossum engelmannii, entire1
© George Yatskievych, 2006-2011 · 1
Ophioglossum engelmannii, entire1
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Ophioglossum engelmannii Prantl
limestone adderstongue

Image of Ophioglossum engelmannii

General Information
Symbol: OPEN
Group: Fern
Family: Ophioglossaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   N
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

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©Thomas G. Barnes. Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky . University Press of Kentucky. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 2. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

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Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Division Pteridophyta – Ferns
Class Filicopsida
Order Ophioglossales
Family Ophioglossaceae – Adder's-tongue family
Genus Ophioglossum L. – adderstongue
Species Ophioglossum engelmannii Prantl – limestone adderstongue

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Indiana limestone adder's-tongue Rare
Ohio limestone adder's-tongue Endangered
Pennsylvania limestone adder's-tongue Endangered

Wetland Status

Interpreting Wetland Status

North America
Arid West FACW
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU

Related Links

More Accounts and Images
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Flora of North America (OPEN)
Integrated Taxonomic Information System (OPEN)
USF Atlas of Florida Vascular Plants (OPEN)
University of Tennessee Herbarium (Distribution) (OPEN)
Related Websites
USDA FS Eastern Region-Species Conservation Assessments (OPEN)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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3. Ophioglossum engelmannii Prantl, Ber. Deutsch. Bot. Ges. 1: 351. 1883.

Limestone adder's-tongue

Roots to 25 per plant, tan to brown, 0.5-1.5mm diam., straight, producing proliferations. Stem upright, to 1.5 cm, 4 mm diam., leaves 1-2 per stem. Trophophore stalk to 0.1 cm, 0.01 times length of blade. Trophophore blade erect to spreading, commonly ± folded when alive, uniformly pale green throughout when dried, dull, ovate to ovate-lanceolate, 10 × 4.5 cm, firm, herbaceous, base narrowed abruptly, apex with apiculum to 0.8 mm; venation complex-reticulate, veinlets forming numerous, very tiny, secondary areoles within the major areoles. Sporophores arising at ground level, 1.3-2.5 times as long as trophophore; sporangial clusters 2-4 × 0.13-0.31 cm, pairs of sporangia 20-40, apiculum 0-1.3 mm.

Leaves appearing early-late spring, often with second flush later in season following summer rains. Mostly in soil over limestone in open fields, pastures, and cedar glades; 50-1000 m; Ala., Ariz., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Miss., Mo., Ohio, Okla., N.Mex., N.C., Tenn., Tex., Va., W.Va.; Mexico; Central America.

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Query: SELECT * FROM img WHERE ready=1 and taxon like "Ophioglossum engelmannii%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

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Ophioglossum engelmannii
Ophioglossum engelmannii
ID: 3333 3333 1007 1126 [detail]
© University and Jepson Herbaria

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2018-08-16 03:19:03 gmt
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