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Field Survey Summary Tables – Ecodistrict 815
82
Table 77. 2009 irrigated fields in the Bindloss Plain Ecodistrict (815) in the Mixed Grassland Ecoregion
(14 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
50.0
21.1
42.1
8.3
16.7
53.8
42.7
2
Wild buckwheat
64.3
28.6
44.4
4.5
7.0
25.6
41.5
3
Lamb's-quarters
64.3
21.1
32.8
5.7
8.9
35.8
39.2
4
Green foxtail
42.9
12.5
29.2
7.2
16.7
84.6
32.8
5
Redroot pigweed
35.7
16.8
47.0
6.2
17.4
52.4
32.3
6
Stinkweed
42.9
10.7
25.0
5.3
12.4
41.4
27.3
7
Kochia
14.3
6.8
47.5
3.1
21.7
41.6
14.4
8
Canada thistle
28.6
3.6
12.5
0.8
2.7
10.0
9.3
9
Pale smartweed
28.6
2.9
10.0
0.3
1.1
1.6
7.7
10
Wild oats
21.4
2.5
11.7
0.6
2.8
7.6
6.9
11
Field bindweed
21.4
1.8
8.3
0.1
0.6
1.2
5.3
12
Alfalfa
14.3
2.9
20.0
0.1
1.0
1.0
4.8
13
Barnyard grass
14.3
2.1
15.0
0.1
0.7
1.2
4.2
14
Shepherd's-purse
14.3
1.4
10.0
0.1
0.5
0.6
3.7
15
Round-leaved mallow
14.3
1.4
10.0
0.1
0.4
0.6
3.7
16
Wild mustard
14.3
1.1
7.5
0.1
0.4
0.6
3.4
17
Downy brome
7.1
1.8
25.0
0.1
1.6
1.6
2.8
18
Wheat
7.1
1.1
15.0
0.2
3.2
3.2
2.5
19
Perennial sow-thistle
7.1
1.1
15.0
0.1
1.6
1.6
2.3
20
Flixweed
7.1
0.7
10.0
0.1
1.2
1.2
2.0
21
Quack grass
7.1
0.7
10.0
< 0.1
0.4
0.4
1.8
22
Broad-leaved plantain
7.1
0.4
5.0
< 0.1
0.4
0.4
1.6
23
Canola (Argentine)
7.1
0.4
5.0
< 0.1
0.4
0.4
1.6
24
White cockle
7.1
0.4
5.0
< 0.1
0.2
0.2
1.5
25
Annual sow-thistle
7.1
0.4
5.0
< 0.1
0.2
0.2
1.5
26
Spiny annual sow-thistle
7.1
0.4
5.0
< 0.1
0.2
0.2
1.5
27
Stork's-bill
7.1
0.4
5.0
< 0.1
0.2
0.2
1.5