Florula insularum olim Purpuraiarum, nunc Lanzarote et Fuertaventura cum minoribus isleta de Lobos et la Graciosa in archipelago canariensi
Published: 1892
Place of publication: Leipzig
Language: lat
Number of pages: 257
Notes: "Separat-abdruck aus Engler's Botanischen jahrbüchern," 1892, 14: 230-257.