Rusby, ?Bull. New York Bot. Gard. 4: 422. 1907?, 1907.

Rusby, ?Bull. New York Bot. Gard 4: 419. 1907.?, 1907.

Rusby, Rusby,, and Rusby, ?Bull. New York Bot. Gard. 4: 418. 1907.?, 1907.

Rusby, Rusby,, and Rusby, ?Bull. New York Bot. Gard. 4: 420. 1907.?, 1907.

Rusby, ?Bull. New York Bot. Gard 4: 421. 1907.?, 1907.

Rusby and Rusby, ?Bull. New York Bot. Gard. 4: 419. 1907.?, 1907.

Rusby and Rusby, ?Bull. New York Bot. Gard. 4: 424. 1907?, 1907.

Rusby, ?Bull. New York Bot. Gard. 4: 426. 1907?, 1907.

Rusby, Rusby,, Rusby,, and Rusby, ?Bull. New York Bot. Gard. 4: 425. 1907?, 1907.

Rusby, Rusby,, Rusby,, and Rusby, ?Bull. New York Bot. Gard. 4: 423. 1907?, 1907.

Rusby, ?Bull. New York Bot. Gard. 4: 317. 1907?, 1907.