Anonymous - s.n. - United States
Douglas - s.n. - United States
Engelmann - s.n. - Germany
Engelmann - s.n. - United Kingdom
Engelmann - s.n. - United States
Newberry - s.n. - United States
Sargent - s.n. - United States
Townesmith - 590 - United States
Tweedy - s.n. - United States