A Garden for Eternity: The Codex Liechtenstein (2000)
H. Walter Lack

Bauer brothers (c. 1778)
Amaryllis Belladona Linn. and Lilio-narcissus polyanthos flore incarnato fundo ex luteo albescente, genitalibus reflexis, S: P: L:. Sloan.
Jakob Walter (c. 1797)
Amaryllis Belladona Gmelin.
 
Bauer brothers, before 1778. Amaryllis reginae and Amaryllis formosissima