Clark - 481 - United States
Correll - 18763 - United States
Croat - 39329 - Mexico
Darwin - 489 - United States
Eby - s.n. - United States
Hatschbach - 28507 - Brazil
Hinton - 18296 - Mexico
Hinton - 21249 - Mexico
Hinton - 22304 - Mexico
Hinton - 22914 - Mexico
King - 13924 - United States
Lowry - 4569 - United States
McGinnis - s.n. - United States
PONT - 941 - Brazil
Prunella vulgaris
Rambo - 30858 - Brazil
Reverchon - s.n. - United States
Scur - 887 - Brazil
Stevens - 34069 - Chile
Troyo Jiménez - 12lami - Costa Rica
Waller Jr. - 2611 - United States
Warner - s.n. - United States
Wasum - 10326 - Brazil
York - s.n. - United States