DISTRIBUTION AND OCCURRENCE
SPECIES: Athyrium filix-femina | Lady Fern 



GENERAL DISTRIBUTION : 
Lady fern is a circumpolar species, occurring from Alaska to the
Atlantic, south to California, Texas, and Florida [38].  The variety
cyclosorum is found from Alaska south to California; variety michauxii
occurs from Labrador and Newfoundland west to northern Saskatchewan and
south to Pennsylvania, Ohio, Wisconsin, and Iowa [12].


ECOSYSTEMS : 
   FRES10  White - red - jack pine
   FRES11  Spruce - fir
   FRES15  Oak - hickory
   FRES18  Maple - beech - birch
   FRES19  Aspen - birch
   FRES20  Douglas-fir
   FRES21  Ponderosa pine
   FRES22  Western white pine
   FRES23  Fir - spruce
   FRES24  Hemlock - Sitka spruce
   FRES25  Larch
   FRES27  Redwood
   FRES28  Western hardwoods
   FRES37  Mountain meadows


STATES : 
     AL  AK  AZ  AR  CA  CO  CT  DE  FL  GA
     ID  IL  IN  IA  KS  KY  LA  ME  MD  MA
     MI  MN  MS  MO  MT  NH  NJ  NY  NC  ND
     OH  OR  PA  RI  SC  SD  TN  TX  UT  VT
     VA  WA  WV  WI  WY  BC  LB  MB  NB  NF
     ON  PQ  SK


ADMINISTRATIVE UNITS : 
     ACAD  ALPO  APIS  BITH  BLRI  BUFF
     COLO  CRLA  DEWA  EFMO  GATE  GLBA
     GLAC  GRTE  HOSP  ISRO  JOFL  MACA
     MORR  MORA  NATR  NOCA  OLYM  REDW
     ROMO  SAJH  SARA  SHIL  SLBE  VOYA
     YELL  YOSE


BLM PHYSIOGRAPHIC REGIONS : 
    1  Northern Pacific Border
    2  Cascade Mountains
    3  Southern Pacific Border
    4  Sierra Mountains
    5  Columbia Plateau
    8  Northern Rocky Mountains
    9  Middle Rocky Mountains
   11  Southern Rocky Mountains
   12  Colorado Plateau
   13  Rocky Mountain Piedmont
   15  Black Hills Uplift


KUCHLER PLANT ASSOCIATIONS : 
   K001  Spruce - cedar - hemlock forest
   K002  Cedar - hemlock - Douglas-fir forest
   K003  Silver fir - Douglas-fir forest
   K004  Fir - hemlock forest
   K006  Redwood forest
   K007  Red fir forest
   K012  Douglas-fir forest
   K013  Cedar - hemlock - pine forest
   K014  Grand fir - Douglas-fir forest
   K015  Western spruce - fir forest
   K017  Black Hills pine forest
   K018  Pine - Douglas-fir forest
   K020  Spruce - fir - Douglas-fir forest
   K025  Alder - ash forest
   K093  Great Lakes spruce - fir forest
   K095  Great Lakes pine forest
   K096  Northeastern spruce - fir forest
   K102  Beech - maple forest
   K104  Appalachian oak forest
   K108  Northern hardwoods - spruce forest


SAF COVER TYPES : 
     5  Balsam fir
    12  Black spruce
    16  Aspen
    20  White pine - northern red oak - red maple
    21  Eastern white pine
    22  White pine - hemlock
    23  Eastern hemlock
    25  Sugar maple - beech - yellow birch
    26  Sugar maple - basswood
    31  Red spruce - sugar maple - beech
    32  Red spruce
    33  Red spruce - balsam fir
    35  Paper birch - red spruce - balsam fir
    37  Northern white cedar
    52  White oak - black oak - northern red oak
    53  White oak
    55  Northern red oak
    60  Beech - sugar maple
   201  White spruce
   202  White spruce - paper birch
   204  Black spruce
   205  Mountain hemlock
   206  Engelmann spruce - subalpine fir
   207  Red fir
   212  Western larch
   213  Grand fir
   215  Western white pine
   217  Aspen
   221  Red alder
   223  Sitka spruce
   224  Western hemlock
   225  Western hemlock - Sitka spruce
   226  Coastal true fir - hemlock
   227  Western redcedar - western hemlock
   228  Western redcedar
   229  Pacific Douglas-fir
   230  Douglas-fir - western hemlock
   232  Redwood
   237  Interior ponderosa pine
   243  Sierra Nevada mixed conifer
   244  Pacific ponderosa pine - Douglas-fir
   251  White spruce
   252  Paper birch
   253  Black spruce - white spruce
   254  Black spruce - paper birch


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Lady fern occurs as a dominant or subdominant in the following habitat
type (hts), plant association (pas), riparian site type (rst), and
community type (cts) classifications:

     Area             Classification                    Authority

n Wisconsin            forest hts               Kotar and others 1988
Washington: Mt         forest pas               Moir and others 1988
  Rainier Natl Park
c, e Montana           riparian veg, rst,       Boggs and others 1989 
                       cts, hts                  
n Idaho                forest cts, hts          Cooper and others 1991
Alaska: Kenai          forest cts               Reynolds 1990
  peninsula
OR: Willamette Valley  forest cts               Thilenius 1968

Related categories for Species: Athyrium filix-femina | Lady Fern