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The Conservation Reserve Program:
Habitat for Grassland Birds

Table 2

Table 2.  Most Common Plants, and Estimated Areal Coverage (Percentage), in Conservation Reserve Program Fields, by County and Conservation Practice.
Species Fallon County Butte County Hettinger County
CP1 CP4 CP1 CP2 CP10 CP1 CP10
Agropyron spp. 7 14 9 8 20 12 4
Agropyron cristatum 23 14 7 1 12 13 20
Agropyron smithii 1 +a 3 4 16 1 0
Bromus inermis + 0 4 1 2 7 4
Bromus japonicus 17 21 19 32 9 2 0
Poa spp. 0 0 0 0 0 + 0
Poa pratensis 0 0 0 0 0 + 0
Setaria spp. + 0 0 0 0 + 0
Stipa spp. 6 5 5 6 0 + 0
Kochia scoparia 2 1 0 + 0 4 15
Cruciferae 2 1 2 5 5 + 0
Medicago sativa 15 28 25 10 11 29 31
Melilotus spp. 6 + 2 2 1 2 0
Euphorbia esula 0 0 0 0 0 + 0
Convolvulus arvensis 2 + 3 + 0 + 0
Artemisia spp. 0 0 0 + 0 + 0
Artemisia frigida 0 0 0 0 0 + 0
Sonchus arvensis + 0 4 1 1 5 3
Bare soil 8 7 5 7 9 6 5
Litter/bare soil 2 2 2 10 5 7 4
Standing litter 2 2 6 4 0 4 0
a denotes a percentage < 0.5

Table 2. (Continued) Most Common Plants, and Estimated Areal Coverage (Percentage), in Conservation Reserve Program Fields, by County and Conservation Practice.
Species Sheridan County Kidder County McPherson County
CP1 CP2 CP1 CP10 CP1 CP2 CP4 CP10
Agropyron spp. 25 27 17 22 17 20 70 8
Agropyron cristatum 20 14 7 9 + 1 0 +
Agropyron smithii 2 2 1 0 1 8 0 1
Bromus inermis 1 3 13 7 11 3 0 32
Bromus japonicus 2 + 0 1 0 1 0 0
Panicum virgatum 0 0 + 0 0 0 0 0
Poa spp. + + + 3 + + 0 0
Poa pratensis 0 0 + 0 + 1 0 +
Setaria spp. + 2 2 0 2 2 0 0
Stipa spp. 1 0 0 0 0 6 0 1
Ulmus pusilla 0 0 1 6 0 0 0 0
Kochia scoparia 1 1 11 9 5 14 0 1
Cruciferae 2 3 2 0 2 2 0 1
Medicago sativa 25 10 19 29 30 5 10 46
Melilotus spp. + 2 3 2 6 0 0 0
Convolvulus arvensis 0 + 3 0 1 1 0 +
Artemisia spp. + 0 + 0 1 2 0 0
Artemisia frigida 0 0 0 0 + 0 0 0
Cirsium spp. 0 0 + 0 0 0 0 0
Sonchus arvensis 3 9 2 + 2 1 0 +
Tree seedlings 0 0 + 2 0 0 0 0
Standing litter 1 4 2 1 8 4 5 2
Litter/bare soil 2 4 2 1 4 5 10 2
Bare soil 6 10 8 2 3 5 0 2

Table 2. (Continued) Most Common Plants, and Estimated Areal Coverage (Percentage), in Conservation Reserve Program Fields, by County and Conservation Practice.
Species Eddy County Day County Grant County
CP1 CP10 CP1 CP4 CP1 CP2 CP3 CP10 CP12
Agropyron  spp. 44 6 24 43 9 17 38 20 0
Agropyron cristatum + 0 + 0 0 0 0 0 0
Agropyron smithii 1 0 1 0 0 0 0 0 0
Bromus inermis 17 24 19 3 50 29 5 26 30
Bromus japonicus 0 0 + 0 0 0 0 0 0
Panicum virgatum 0 0 0 0 1 13 37 0 0
Phleum spp. 0 0 1 0 + 0 0 0 0
Poa spp. 2 6 + 0 + 0 0 0 0
Poa pratensis 2 20 + 0 0 0 3 0 0
Setaria spp. 1 0 1 1 + 1 0 0 30
Stipa spp. + 0 + 0 0 0 0 0 0
Ulmus pusilla + 0 0 0 0 0 0 0 0
Kochia scoparia 3 1 + 0 + 1 0 1 0
Cruciferae + 0 1 1 + 1 0 2 2
Medicago sativa 7 6 37 31 27 22 1 40 18
Melilotus spp. 2 11 3 0 1 2 1 1 0
Euphorbia esula 2 0 0 0 0 0 0 0 0
Convolvulus arvensis + 0 + + + + 0 0 0
Artemisia spp. 0 9 0 0 0 0 0 0 0
Artemisia frigida + + 0 0 0 0 0 0 0
Chrysopsis villosa 0 3 0 0 0 0 0 0 0
Cirsium spp. + 0 1 0 + 1 0 + 2
Sonchus arvensis 2 0 + 0 1 0 0 0 0
Tree seedlings + 0 0 0 0 + 0 0 0
Standing litter 1 1 2 13 1 2 6 2 18
Litter/bare soil 4 2 2 3 2 7 4 3 0
Bare soil 2 3 1 0 + 2 0 0 0

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