Accession	Scientific Name	State	County	Collector	Date	Elevation
28647	Abronia fragrans Nutt. ex Hook.	Colorado	Yuma County	H Harrington 4256	4 Aug 1948	3498
7253	Abronia fragrans Nutt. ex Hook.	Colorado	Yuma County	J Payne	31 May 1900
25434	Agrostis stolonifera L.	Colorado	Yuma County	H Harrington 2380	17 Jul 1946	3599
60467	Ambrosia ilicifolia	Arizona	Yuma County	E.Lehto L23517; J. Phelps & C. Edwards	6 Apr 1979
11987	Amorpha canescens Pursh	Colorado	Yuma County	H Harrington & E Smith 404	30 Jun 1944	4000
26433	Andropogon gerardii Vitman	Colorado	Yuma County	H Harrington 2375	17 Jul 1946	3399
27302	Apocynum cannabinum L.	Colorado	Yuma County	H Harrington 2364	17 Jul 1946	3399
27300	Apocynum cannabinum L.	Colorado	Yuma County	H Harrington 3445	13 Jul 1947	3698
32536	Arenaria hookeri Nutt.	Colorado	Yuma County	H Harrington 5003	24 Jun 1951	3599
28336	Argemone polyanthemos (Fedde) G. Ownbey	Colorado	Yuma County	H Harrington 3451	13 Jul 1947	3799
24353	Aristida purpurea Nutt. var. fendleriana (Steud.) Vasey	Colorado	Yuma County	H Harrington & E Smith 419	30 Jun 1944	3799
16379	Asclepias engelmanniana Woods.	Colorado	Yuma County	H Harrington 3446	13 Jul 1947	3698
33648	Asclepias incarnata L. ssp. incarnata	Colorado	Yuma County	H Harrington 2369	17 Jul 1946	3399
33644	Asclepias incarnata L. ssp. incarnata	Colorado	Yuma County	D Hendricks	30 Jul 1946	4000
16414	Asclepias pumila (Gray) Vail	Colorado	Yuma County	H Harrington 2393	17 Jul 1946	3698
16404	Asclepias viridiflora Raf.	Colorado	Yuma County	H Harrington & E Smith 418	30 Jun 1944	3498
33022	Aster lanceolatus Willd. ssp. hesperius (Gray) Semple & Chmielewski	Colorado	Yuma County	W Ferril	18 Sep 1903	3498
32558	Astragalus ceramicus var. filifolius	Colorado	Yuma County	H Harrington 5017	25 Jun 1951	3698
24356	Astragalus gracilis Nutt.	Colorado	Yuma County	H Harrington & E Smith 410	30 Jun 1944	4000
32513	Astragalus gracilis Nutt.	Colorado	Yuma County	H Harrington 5004	24 Jun 1951	3599
34376	Astragalus gracilis Nutt.	Colorado	Yuma County	H Harrington 7496	7 Jun 1954	3599
32514	Astragalus gracilis Nutt.	Colorado	Yuma County	H Harrington 5037	26 Jun 195	3498
32512	Astragalus hyalinus M.E. Jones	Colorado	Yuma County	H Harrington 5000	24 Jun 1951	3599
26921	Astragalus lotiflorus Hook.	Colorado	Yuma County	H Harrington 3449	13 Jul 1947	3698
32509	Astragalus missouriensis Nutt.	Colorado	Yuma County	H Harrington 5029	25 Jun 1951	3599