Thelypteris simulata (Davenport) Nieuwland
  Pteridophyta   Thelypteridaceae   Thelypteris

Thelypteris simulata
© Les Mehrhoff, 2008-2010 · 1
Thelypteris simulata

Click on map or images to enlarge.
Thelypteris simulata, entire
© George Yatskievych, 2006-2011 · 1
Thelypteris simulata, entire

Thelypteris simulata, sporangia
© George Yatskievych, 2006-2011 · 1
Thelypteris simulata, sporangia
4 thumbnails  •  slide show
IDnature guide
Scientific source:

Supported by

Following modified from Plants Database, United States Department of Agriculture
Top | See original ---> ---> --->
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
 Alternative Crops
 Cover Crops
 Culturally Significant
 Distribution Update
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
PLANTS Image Gallery
 50,000+ Plant Images
Download PLANTS data
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
Related tools
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
You are here: Home / Plant Profile

Thelypteris simulata (Davenport) Nieuwl.
bog fern

Image of Thelypteris simulata

General Information
Symbol: THSI2
Group: Fern
Family: Thelypteridaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : CAN   N
L48   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   


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

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: 19. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .



Symbol Scientific Name Other Common Names
DRSI3 Dryopteris simulata Davenport
PASI8 Parathelypteris simulata (Davenp.) Holttum bog fern


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 Thelypteridaceae – Marsh Fern family
Genus Thelypteris Schmidel – maiden fern
Species Thelypteris simulata (Davenport) Nieuwl. – bog fern

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.
Maryland bog fern Threatened
New York Massachusetts fern Exploitably Vulnerable
North Carolina bog fern Threatened
Tennessee bog fern Possibly Extirpated, Endangered

Wetland Status

Interpreting Wetland Status


PASI8   Parathelypteris simulata (Davenp.) Holttum

North America
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont FACW
Midwest FACW
Northcentral & Northeast FACW

Related Links

More Accounts and Images
Flora of North America (THSI2)
Integrated Taxonomic Information System (DRSI3)
Integrated Taxonomic Information System (THSI2)
Lady Bird Johnson Wildflower Center Native Plant Information Network (THSI2)
University of Tennessee Herbarium (Distribution) (THSI2)
University of Wisconsin - Stevens Point Freckmann Herbarium (THSI2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

 PLANTS Home | | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

Following modified from Flora of North America
Top | See original

Link to Flora of North America home
All Floras       Advanced Search
FNA Vol. 2 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 2 | Thelypteridaceae | Thelypteris

3. Thelypteris simulata (Davenport) Nieuwland, Amer. Midl. Naturalist. 1: 226. 1910.

Massachusetts fern, thélyptère simulatrice

Aspidium simulatum Davenport, Bot. Gaz. 19: 495. 1894; Parathelypteris simulata (Davenport) Holttum

Stems long-creeping, 1.5--3 mm diam. Leaves monomorphic, dying back in winter, often 1 cm or more apart, fertile leaves often somewhat longer than sterile leaves, 25--80 cm. Petiole straw-colored above base, 12--45 cm × 1--3 mm, at base sparsely set with tan, ovate, glabrous scales. Blade lanceolate, 14--35 cm, proximal pinnae largest, or lowest pair slightly smaller, blade tapered gradually to pinnatifid apex. Pinnae deeply pinnatifid to ca. 1 mm from costa, 3--10 × 1--2 cm; segments oblong, somewhat oblique, entire; proximal pair of veins from adjacent segments meeting margin above sinus. Indument abaxially of sparsely set hairs 0.2--0.4 mm primarily on costae, also of yellowish short-stalked glands less than 0.1 mm, blade tissue with numerous reddish to orangish, resinous, shiny, sessile, hemispheric glands; blades adaxially with scattered hairs on veins. Sori round, medial; indusia tan, often glandular; sporangia glabrous. 2 n = 128.

Terrestrial in acid soils of shaded swamps and bogs, frequently associated with sphagnum; 0--100 m; N.B., N.S., Ont., Que.; Conn., Del., Maine, Md., Mass., N.H., N.J., N.Y., Pa., R.I., Vt., Va., W.Va., Wis.


Updated: 2019-01-15 23:42:12 gmt
Discover Life | Top
© Designed by The Polistes Corporation