Accession	Scientific Name	State	County	Collector	Date	Elevation
40257	Allium textile Nelson & J.F. Macbr.	Colorado	Cheyenne County	V Harris 50	17 May 1961	4400
38028	Amaranthus arenicola I.M. Johnston	Colorado	Cheyenne County	H Harrington	27 Jul 1959	4449
21537	Ambrosia acanthicarpa Hook.	Nebraska	Cheyenne County	P.A. Rydberg 2449	15 Aug 1891
21536	Ambrosia acanthicarpa Hook.	Nebraska	Cheyenne County	P.A. Rydberg 1628	15 Aug 1891
40302	Ambrosia psilostachya DC.	Colorado	Cheyenne County	V Harris 97	19 Jul 1961	4298
38849	Aristida divaricata Humb. & Bonpl. ex Willd.	Colorado	Cheyenne County	V Harris 39	18 Aug 1960	4200
38848	Aristida purpurea Nutt. var. longiseta (Steud.) Vasey	Colorado	Cheyenne County	V Harris 37	18 Aug 1960	4200
74477	Artemisia campestris L. ssp. caudata (Michx.) Hall & Clements	Colorado	Cheyenne County	Van T. Harris 107	21 Jul 1961
38854	Artemisia filifolia Torr.	Colorado	Cheyenne County	V Harris 21	10 Aug 1960	4200
22547	Artemisia filifolia Torr.	Colorado	Cheyenne County	J Robertson	Aug 1894
38850	Asclepias uncialis Greene 8	Colorado	Cheyenne County	V Harris	5 May 1960	4200
16402	Asclepias viridiflora Raf.	Colorado	Cheyenne County	H Harrington 3315	11 Jul 1947	4298
16405	Asclepias viridiflora Raf.	Colorado	Cheyenne County	E Bethel	25 Jun 1906
12367	Astragalus crassicarpus Nutt. var. paysonii (E.H. Kelso) Barneby	Colorado	Cheyenne County	J Christ 385	14 Jun 1935
34649	Astragalus missouriensis Nutt.	Colorado	Cheyenne County	H Harrington 7393	31 May 1954	4400
26404	Astragalus pectinatus (Hook.) Dougl. ex G. Don	Colorado	Cheyenne County	W Huestes	27 Jun 1906	4200
38895	Astragalus pectinatus (Hook.) Dougl. ex G. Don	Colorado	Cheyenne County	V Harris 11	4 Jun 1960	4200
34650	Astragalus racemosus Pursh var. racemosus	Colorado	Cheyenne County	H Harrington 7392	31 May 1954	4400
24349	Bothriochloa saccharoides	Colorado	Cheyenne County	H Harrington & E Smith 387	29 Jun 1944	4249
28411	Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths	Colorado	Cheyenne County	H Harrington 3470	13 Jul 1947	4200
29717	Bouteloua simplex Lag.	Colorado	Cheyenne County	J Christ & W Austin 3548	17 Aug 1936
26652	Bromus japonicus Thunb. ex Murray	Colorado	Cheyenne County	H Harrington 3460	13 Jul 1947	4200
30729	Buchloe dactyloides (Nutt.) Engelm.	Colorado	Cheyenne County	J Christ & W Austin 3550	20 Aug 1936
none	Calamovilfa longifolia (Hook.) Scribn. var. longifolia	Colorado	Cheyenne County	Tasker and Kittel	10/8/98	4420
13914	Callirhoe involucrata (Torr. & Gray) Gray var. lineariloba (Torr. & Gray) Gray	Colorado	Cheyenne County	J Robertson	Aug 1894