Carr - 36914 - United States
Correll - 38921 - United States
Drushel - 10517 - United States
Fryxell - 439 - United States
Griffiths - 6507 - United States
Hanson - s.n. - United States
Hill - 10468 - United States
Hill - 18396 - United States
Hill - 22453 - United States
Hill - 5294 - United States
Hill - 7231 - United States
Lindheimer - 413 - United States
Lindheimer - 683 - United States
Nealley - s.n. - United States
Palmer - 9720 - United States
Runyon - 2171 - United States
Shiller - 102 - United States
Tharp - s.n. - United States