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The Conservation Reserve Program:
Habitat for Grassland Birds

Table 2

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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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