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Onoclea sensibilis Linnaeus
SENSITIVE FERN
Life   Plantae   Pteridophyta   Dryopteridaceae   Onoclea

Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern

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Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern
Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern

Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern
Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern

Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern
Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern

Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern
Onoclea sensibilis, Sensitive Fern
© Copyright Bobby Hattaway 2011 · 5
Onoclea sensibilis, Sensitive Fern

Onoclea sensibilis, Sensitive Fern Fertie stalk
© Copyright Sheryl Pollock 2011 · 5
Onoclea sensibilis, Sensitive Fern Fertie stalk
Onoclea sensibilis
© Copyright Bobby Hattaway 2011 · 3
Onoclea sensibilis

Onoclea sensibilis
© George Yatskievych, 2003 · 1
Onoclea sensibilis
Onoclea sensibilis
© George Yatskievych, 2003 · 1
Onoclea sensibilis

Onoclea sensibilis, Sensitive Fern
© Copyright Sheryl Pollock 2011 · 1
Onoclea sensibilis, Sensitive Fern
Onoclea sensibilis, fertilefrond
© George Yatskievych, 2006-2011 · 1
Onoclea sensibilis, fertilefrond

Associates · map
FamilyScientific name @ source (records)
Aphididae  Amphorophora ampullata @ AMNH_PBI (4)
Dermateaceae  Gloeosporium phegopteridis @ BPI (7)
Dothioraceae  Metasphaeria epipteridea @ BPI (1)
Melampsoraceae  Melampsora scolopendrii @ BPI (2)
Mycosphaerellaceae  Septoria mirabilis @ BPI (2)
Pucciniastraceae  Uredinopsis americana @ 876086C (1); 876086B (1); 876086A (1); BPI (19)

Uredinopsis mirabilis @ BPI (204)

Uredinopsis scolopendrii @ BPI (1)

Uredinopsis @ 847122B (1)
Rhytismataceae  Hypoderma aquilinum @ BPI (2)
Sebacinaceae  Sebacina incrustans @ BPI (1)
Taphrinaceae  Taphrina hiratsukae @ BPI (4)

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http://plants.usda.gov/java/profile?symbol=ONSE ---> https://plants.usda.gov/java/profile?symbol=ONSE
https://plants.usda.gov/java/profile?symbol=ONSE ---> http://plants.usda.gov/core/profile?symbol=ONSE
http://plants.usda.gov/core/profile?symbol=ONSE ---> https://plants.usda.gov/core/profile?symbol=ONSE
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Onoclea sensibilis L.
sensitive fern

Image of Onoclea sensibilis

General Information
Symbol: ONSE
Group: Fern
Family: Dryopteridaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
SPM   N
Data Source and Documentation
About our new maps
Plants-NRCS Logos
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

click on a thumbnail to view an image, or see all the Onoclea thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species . South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

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

©Jeff McMillian. Provided by Almost Eden . United States, LA. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. 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: 11. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

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 Polypodiales
Family Dryopteridaceae – Wood Fern family
Genus Onoclea L. – sensitive fern
Species Onoclea sensibilis L. – sensitive fern

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FACW
Great Plains FACW
Midwest FACW
Northcentral & Northeast FACW
Western Mountains, Valleys, and Coast FACW

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (ONSE)
CalPhotos (ONSE)
Flora of North America (ONSE)
Integrated Taxonomic Information System (ONSE)
Kemper Center for Home Gardening (ONSE)
Lady Bird Johnson Wildflower Center Native Plant Information Network (ONSE)
Native American Ethnobotany (University of Michigan - Dearborn) (ONSE)
USF Atlas of Florida Vascular Plants (ONSE)
University of Tennessee Herbarium (Distribution) (ONSE)
University of Wisconsin - Stevens Point Freckmann Herbarium (ONSE)

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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FNA | Family List | FNA Vol. 2 | Dryopteridaceae | Onoclea

1. Onoclea sensibilis Linnaeus, Sp. Pl. 2: 1062. 1753.

Sensitive fern, onoclée sensible

Onoclea sensibilis forma hemiphyllodes (Kiss & Kümmerle) Gilbert; O . sensibilis forma obtusilobata (Schkuhr) Gilbert; O . sensibilis var. obtusilobata (Schkuhr) Torrey

Leaves irregularly spaced along stem. Sterile leaves yellow-green, deltate, coarsely divided, 13--34 × 15--30 cm. Petiole of sterile leaf black, 22--58 cm, flattened at base; rachis winged, becoming broader toward apex. Pinnae 5--11 per side, lanceolate; proximal pinnae 9--18 cm, margins entire, sinuate, or laciniate. Sporophyll leaves green, becoming black at maturity, oblong, 7--17 × 1--4 cm. Petiole 19--40 cm, base sparsely scaly. Pinnae linear, 5--11 per side, 2.5--5 cm; ultimate segments revolute to form beadlike structures, 2--4 mm diam. Sori borne on free veins, enclosed by ultimate segments. 2 n = 74.

Sporophylls produced May--October. Open swamps, thickets, marshes, or low woods, in sunny or shaded locations, often forming thick stands; 0--1500 m; St. Pierre and Miquelon; Man., N.B., Nfld., N.S., Ont., P.E.I., Que.; Ala., Ark., Colo., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis., Wyo.; e Asia.

Onoclea sensibilis occurs in eastern North America, principally east of the Great Plains. Leaf forms with pinnae intermediate between those of sporophylls and sterile leaves, or with pinnae fertile only on one side of the blade, can occur on plants that also bear normal leaf forms. These do not merit taxonomic recognition (J. M. Beitel et al. 1981).

Onoclea sensibilis resembles Woodwardia areolata (Linnaeus) T. Moore, with which it often grows. Onoclea has entire pinna margins and nearly opposite basal pinnae whereas Woodwardia areolata has serrate pinna margins and alternate pinnae.

As in Matteuccia struthiopteris (Linnaeus) Todaro, sporophylls of Onoclea sensibilis persist through the winter and release the green spores in spring before the sterile leaves expand (R. W. Hill and W. H. Wagner Jr. 1974; L. G. Labouriau 1958; R. M. Lloyd and E. J. Klekowski Jr. 1970). Onoclea sensibilis is occasionally cultivated; it has a tendency to spread rapidly and become weedy. The name "sensitive fern" refers to the susceptibility of the leaves to even a light frost.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onoclea+sensibilis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onoclea+sensibilis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 25
Query: SELECT * FROM img WHERE ready=1 and taxon like "Onoclea sensibilis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 0000 1003 0097 [detail]
© 2003 Joseph Dougherty/ecology.org

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 0000 1003 0098 [detail]
© 2003 Joseph Dougherty/ecology.org

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0105 0765 [detail]
© 2005 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0105 0766 [detail]
© 2005 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0506 2483 [detail]
© 2006 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0107 1192 [detail]
© 2007 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0107 1194 [detail]
© 2007 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0107 1195 [detail]
© 2007 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 3333 1111 1107 0035 [detail]
© University and Jepson Herbaria

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0408 2092 [detail]
© 2008 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0408 2093 [detail]
© 2008 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0609 2167 [detail]
© 2009 Trent M. Draper

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0609 2168 [detail]
© 2009 Trent M. Draper

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0609 2169 [detail]
© 2009 Trent M. Draper

Onoclea sensibilis
Onoclea sensibilis
ID: 0000 0000 0610 0022 [detail]
© 2010 Louis-M. Landry

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3818 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3819 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3820 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3821 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3822 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3823 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3824 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3825 [detail]
© 2016 Keir Morse

Onoclea sensibilis
Onoclea sensibilis
Sensitive Fern
ID: 0000 1111 1234 3826 [detail]
© 2016 Keir Morse

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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