Montagne, “Cryptogamæ Neilgherrensis,” in “Ann. des Sci. Nat.” 2me sér. xviii. p. 21 (1842).
Junghuhn, “Premissa in Floram Crypt. Javæ.”
Zollinger, “Fungi Archipalegi Malaijo Neerlandici novi.”
Berkeley and Broome, “Fungi of Ceylon,” in “Journ. Linn. Soc.” for May, 1871.
“Flore d’Algerie, Cryptogames” (1846, &c.).