DISTRIBUTION AND OCCURRENCE
SPECIES: Salix nigra | Black Willow 



GENERAL DISTRIBUTION : 
Black willow is found throughout the eastern United States, adjacent
parts of Canada, and Mexico.  Its range extends west from southern New
Brunswick and central Maine to Quebec, southern Ontario, central
Michigan, southeastern Minnesota, and eastern North Dakota.  It occurs
south and west to the Rio Grande just below its confluence with the
Pecos River; and east along the Gulf Coast through the Florida Panhandle
and southern Georgia [5,8,11].  Black willow has been introduced in Utah
where it is now common along many streambottoms [17].


ECOSYSTEMS : 
   FRES16  Oak - gum - cypress
   FRES17  Elm - ash - cottonwood
   FRES36  Mountain grasslands
   FRES41  Wet grasslands


STATES : 
     AL  AR  CT  DE  FL  GA  IL  IN  IA  KS
     KY  LA  ME  MD  MA  MI  MN  MS  MO  NE
     NH  NJ  NY  NC  ND  OH  OK  PA  RI  SC
     TN  TX  UT  VT  VA  WV  WI  MB  NB  ON
     PQ  MEXICO


ADMINISTRATIVE UNITS : 
     AMIS  ASIS  BISO  BITH  BLRI  BUFF
     CACO  CARE  CATO  CHCH  COLO  COSW
     CUGA  CUVA  DEWA  EFMO  FODO  GATE
     GWCA  GWMP  GRSM  HOBE  INDU  JELA
     LAMR  MACA  MORR  NATR  NERI  OBRI
     OZAR  PAIS  PIPE  PRWI  RICH  ROCR
     SHEN  SHIL  VAFO  WICR


BLM PHYSIOGRAPHIC REGIONS : 
    6  Upper Basin and Range
   12  Colorado Plateau
   14  Great Plains
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
   K091  Cypress savanna
   K092  Everglades
   K098  Northern floodplain forest
   K101  Elm - ash forest
   K113  Southern floodplain forest


SAF COVER TYPES : 
   61  River birch - sycamore
   63  Cottonwood
   94  Sycamore - sweetgum - American elm
   95  Black willow
   101 Baldcypress
   102 Baldcypress - tupelo
   103 Water tupelo - swamp tupelo
   235 Cottonwood - willow


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Black willow occurs as a codominant in some early seral floodplain
communities [24,30].  It codominates with sandbar willow (Salix exigua)
on floodplains having the greatest water depths and the longest
hydroperiods of any of the shallow freshwater swamps of the southern
United States [24].  Black willow also codominates with eastern
cottonwood (Populus deltoides) in the lower Mississippi Valley [30].
Published classifications listing black willow as a codominant in
community types (cts) are listed below:

Area                            Classification          Authority

S. U.S.                         southern swamp &        Penfound 1952
                                marsh  cts                     
AR,MS: Lower                    cts                     Shelford 1954
Mississippi Valley
        

Related categories for Species: Salix nigra | Black Willow