Kunze, ?Linnaea 16: 315. 1842.?, 1842.

Kunze, ?Linnaea 16: 312. 1842?, 1842.

Kunze, ?Linnaea 24: 229. 1851?, 1851.

Kunze and ex Kunze, R., ?Linnaea 20: 33. 1847?, 1847.

Kunze, ?Del. Sem. Hort. Lips. (1847). Cf. Linnaea, xxiv. (1851) 176.?.