Rusby and Rusby, ?Bull. Torrey Bot. Club 53: 211. 1926?, 1926.

Rusby, ?Bull. Torrey Bot. Club 53: 302. 1926?, 1926.

Rusby and Rusby, ?Bull. Torrey Bot. Club 53: 212. 1926?, 1926.

Rusby, ?Bull. Torrey Bot. Club 53: 213. 1926?, 1926.

(R. ) Rusby, Rusby, (R. ), Rusby, (R. ), and Rusby, ?Bull. Torrey Bot. Club 53: 210. 1926?, 1926.