DISTRIBUTION AND OCCURRENCE
SPECIES: Helianthus maximiliani | Maximilian Sunflower 



GENERAL DISTRIBUTION : 
Maximilian sunflower is native to the Great Plains and adjacent areas
[44].  It is found from Saskatchewan and Manitoba south to Missouri and
Texas [17,18,22].  It has been sparingly introduced in the Pacific
Northwest [20], California [30], and east to the Atlantic states [12].


ECOSYSTEMS : 
   FRES15  Oak - hickory
   FRES17  Elm - ash - cottonwood
   FRES21  Ponderosa pine
   FRES29  Sagebrush
   FRES31  Shinnery
   FRES34  Chaparral - mountain shrub
   FRES35  Pinyon - juniper
   FRES38  Plains grasslands
   FRES39  Prairie


STATES : 
     AL  AR  CA  CO  CT  ID  IL  IN  IA  KS
     KY  ME  MA  MI  MN  MO  MT  NE  NM  NC
     ND  OH  OK  SD  TN  TX  UT  WI  WY  AB
     BC  MB  SK  MEXICO


ADMINISTRATIVE UNITS : 
     BADL  DETO  LAMR  PIPE  THRO  WICA


BLM PHYSIOGRAPHIC REGIONS : 
   10  Wyoming Basin
   11  Southern Rocky Mountains
   13  Rocky Mountain Piedmont
   14  Great Plains
   15  Black Hills Uplift
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
   K016  Eastern ponderosa forest
   K023  Juniper - pinyon woodland
   K037  Mountain-mahogany - oak scrub
   K056  Wheatgrass - needlegrass shrubsteppe
   K064  Grama - needlegrass - wheatgrass
   K065  Grama - buffalograss
   K066  Wheatgrass - needlegrass
   K067  Wheatgrass - bluestem - needlegrass
   K068  Wheatgrass - grama - buffalograss
   K069  Bluestem - grama prairie
   K070  Sandsage - bluestem prairie
   K071  Shinnery
   K074  Bluestem prairie
   K075  Nebraska Sandhills prairie
   K076  Blackland prairie
   K081  Oak savanna
   K084  Cross Timbers
   K098  Northern floodplain forest


SAF COVER TYPES : 
    40  Post oak - blackjack oak
    42  Bur oak
    62  Silver maple - American elm
    67  Shin (Mohrs) oak
   220  Rocky Mountain juniper
   237  Interior ponderosa pine
   239  Pinyon - juniper
   241  Western live oak


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Associates of Maximilian sunflower vary with location, since this
species has a wide ecological amplitude and it occurs in a variety of
prairie ecosystems.

Associates of Maximilian sunflower in mixed-grass prairie south of Lake
Manitoba in Canada include little bluestem (Schizachyrium scoparium),
big bluestem (Andropogon gerardii var. gerardii), alkali muhly
(Muhlenbergia asperifolia), common witchgrass (Panicum capillare),
Kentucky bluegrass (Poa pratensis), Russian thistle (Salsola kali),
silverberry (Eleagnus commutata), showy milkweed (Asclepias speciosa),
and western snowberry (Symphoricarpos occidentalis) [27].

Associates of Maximilian sunflower in undisturbed tallgrass prairie on
Mormon Island on the Platte River in Nebraska include the dominant big
bluestem, and lesser components switchgrass (Panicum virgatum), Indian
grass (Sorghastrum nutans), heath aster (Aster ericoides), western
ironweed (Vernonia fasciculata), and Canada goldenrod (Solidago
canadensis) [8].

Associates of Maximilian sunflower in floodplain tallgrass prairie in a
wetlands area in Kansas include prairie cordgrass (Spartina pectinata),
ovoid spikesedge (Eleocharis obtusa), Indian grass (Sorgastrum nutans),
big bluestem, switchgrass, sedge (Carex frankii), common sunflower
(Helianthus annuus), compass plant (Silphium laciniatum), hemp dogbane
(Apocynum cannabinum), common milkweed (Asclepias syriaca), and
thickspike gayfeather (Liatris pycnostachya) [7].

Related categories for Species: Helianthus maximiliani | Maximilian Sunflower