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Platte River Ecology Study

Appendices

Appendix N. Average percent cover of the principal species composing the major habitat types on the floodplain of the North Platte and Platte Rivers. Species with average cover values < 2% have not been included. The habitat types are as follows: annual sandbar (AS), perennial sandbar (PS), marsh (M), lowland grassland (LG), upland grassland (UG), wetland shrub (WS), upland shrub (US), cottonwoodwillow wetland (CWW), cottonwood-Russian olive (CR0), cottonwood-red cedar (CRC), cottonwood-meadow (CM), and mixed hardwood shrub (MHS).

Common name                              Habitat type
                     AS     PS     M     LG     UG     WS     US    CWW     CR0    CRC    CM    MHS   

American Bugleweed                                     4.6

American Bulrush            3.5   26.2  15.6                        3.9     4.9
        
American Elm                                                                       4.5          5.0
                          
Aster                                                  5.4

Barnyard Grass       8.1

Big Bluestem                                   11.0

Bluegrass                               16.4   10.2          12.8          21.4   24.5  17.1   7.1

Buckbrush                                3.7    2.3                                7.6         4.5

Bundleflower                             2.5    6.0           3.1

Canada Goldenrod                                       4.4          2.7                        6.3

Canada Sanicle                                                                                 4.2 

Canada Wild Rye                                                                          4.2   2.9

Cattail                           23.3

Cheatgrass                               3.3   18.7           7.0                  6.9   5.1   3.7

Climbing Bittersweet                                                                           3.5

Cocklebur           17.0   14.8                        3.2

Common Mullein                                  4.0    2.9

Common Ragweed              5.5         16.2   18.5   18.1    8.5   7.4   21.1     5.8  14.9

Cottonwood                  5.1                        8.5    8.7  27.6   29.8    36.2  34.4  28.9

Dandelion                                3.5                               4.0

Diamond Willow              5.1                        6.9    3.1  13.4    5.7           4.1   4.9

Foxtail Barley                           5.0                               2.6

Frog Fruit                         4.0   8.9           7.5          8.9    4.8

Green Ash                                                           6.8    7.2     7.1   4.5  10.3

Ground Cherry                                                                            2.4

Hackberry                                                                                      3.1

Hardstem Bulrush                  38.4                 4.2

Hoary Vervain                            2.2

Hopseed                                                                    3.0     3.4   2.2

Indigo Bush                 3.6          8.8    7.0   21.5   20.5   4.8            4.0   9.0   4.3

Ironweed                                               3.0                 2.7

Japanese Brome                           3.4   13.8    4.2    5.9                        8.3

Lady's Thumb                3.4          5.7

Little Bluestem                                 3.1

Loosestrife                 4.1          5.9                               5.9

Lovegrass            21.5

Nutsedge             18.0

Pale Smartweed              6.4

Plains Sunflower                                2.7    2.5                               3.2

Poison Ivy                                                   6.6                  11.5   2.5  20.5

Prairie Cordgrass           4.1                 8.6    9.5   7.6    4.0    3.2     2.4   9.8   3.3

Prairie Dogbane                                        2.6                         2.0

Prickly Ash                                                                        5.4         3.1

Red Cedar                                                    5.0           5.5    18.7   3.4   5.3

Red Clover                               6.6

Red Mulberry                                                                       5.5         4.4

Red Osier                                              3.7          2.1    2.0                 2.0

Redtop                                   8.0

Reed Canarygrass                         7.1

Rough-leaved Dogwood                                        21.0    5.6    5.3    25.4  11.0  34.3

Russian Olive                                                             18.4     6.2         2.2

Saltgrass                                4.2    5.3                11.4

Sandbar Willow        3.9   12.5   5.6   9.3          38.5   8.0   12.5

Sand Dropseed         5.1                       6.3                                3.6         7.6

Sedge                             10.0  10.3           9.8   7.9   11.5    7.2

Slippery Elm                                                                                   4.6

Small Panic Grass                               2.7                        3.2

Smooth Brome                             2.8    7.2

Smooth Sumac

Snow-on-the-Mountain                            2.1

Spikenard                                                                          3.0         2.7

Spikerush                   17.1  10.7   9.4           4.2          4.7

Spotted Spurge                                  2.9

Switchgrass                              6.9    6.7         10.4          2.8             4.9

Wheatgrass                               5.0    8.0          3.3          5.9
 
White Sweet Clover           3.2         3.3    2.9          6.3                   3.3    4.6

Wild Grape                                      2.0   3.9          4.1    3.1      5.1    2.8   4.8

Wild Rose                                5.1                              4.0      5.8    3.3   3.7

Woodbine                                                                           2.6         4.5

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