Anonymous - 20 - United States
Blankinship - 43 - United States
Bouteloua dactyloides
Bush - 169 - United States
Bush - 175 - United States
Bush - 794 - United States
Bush - 931 - United States
Bush - 933 - United States
Clemens - 11477 - United States
Clemens - 11477a - United States
Clemens - 11477b - United States
Clemens - 353 - United States
Clemens - 354 - United States
Correll - 16521 - United States
Eggert - s.n. - United States
Engelmann - 137 - United States
Engelmann - 138 - United States
Fendler - 171 - United States
Fendler - 940 - United States
Fendler - s.n. - United States
Glatfelter - s.n. - United States
Gregg - 867 - Mexico
Hall - 770 - United States
Hall - s.n. - United States
Hanson - 314 - United States
Hatch - 5841 - United States
Hatch - 8146 - United States
Hinton - 18964 - Mexico
Hinton - 19418 - Mexico
Hinton - 22380 - Mexico
Jermy - s.n. - United States
Letterman - s.n. - United States
Lindheimer - 569 - United States
Lindheimer - 65 - United States
Lowry - 1705 - United States
McVaugh - 10668 - United States
Muehlenbach - 1455 - United States
Orcutt - 5900 - United States
Palmer - 13768a - United States
Palmer - 6518 - United States
Palmer - 9240 - United States
Parry - 227 - United States
Parry - 369 - United States
Ravenel - 79 - United States
Reverchon - 1172 - United States
Rose - 132 - United States
Ruth - 156 - United States
Solomon - 2702 - United States
Stevens - 550 - United States
Stevens - 566 - United States
Stevens - 688 - United States
Stratton - 445 - United States
Swallen - 10239 - United States
Tharp - 43A66 - United States
Tharp - 43A67 - United States
Tharp - s.n. - United States
Tracy - 7746 - United States
Tracy - 8094 - United States
Tracy - 9326 - United States
Trelease - s.n. - United States
Waterfall - 4733 - United States
Wilkinson - s.n. - United States
Wright - 2031 - United States
Wright - 785 - United States
Young - s.n. - United States