Andersson - s.n. - Chile
Anonymous - s.n. -
Berlandier - 2534 - United States
Bush - 462 - United States
Carsner - s.n. - United States
Clarke - 62 - United States
Clemens - s.n. - United States
Coffman - s.n. - United States
Denny - 204 - United States
Etter - 401 - United States
Glatfelter - s.n. - United States
Gregg - 12 - Mexico
Gregg - 260 - Mexico
Hess - 9380 - United States
Hinton - 17141 - Mexico
Hinton - 17849 - Mexico
Hinton - 19409 - Mexico
Jermy - 267 - United States
Jermy - s.n. - United States
Markley - 104 - United States
Marrubium vulgare
Merrill - 763 - United States
Miller - 4769 - United States
Orcutt - 6163 - United States
Pace - 100 - United States
Regnell - III 938 - Brazil
Sagástegui Alva - 11657 - Peru
Stevens - 674 - United States
Summers - 3828 - United States
Tharp - 43-811 - United States
Tharp - s.n. - United States
Tolstead - 1270665 - United States
Tracy - 304 - United States
Warnock - W349 - United States
Wasum - 4758 - Brazil
Waterfall - 4820 - United States