LITERATURE CITED
- Elrod, R. P. and D. L. Blanchard. Histological studies of the Boletaceae and related genera. Mycologia 31: 693–708. 2 figs. 1939.
- Lohwag, H. and M. Peringer. Zur Anatomie der Boletaceae. Annales Micologici 35: 295–331. 14 figs. 1937.
- Singer, R. Sur les Genres Ixocomus, Boletinus, Phylloporus, Gyrodon et Gomphidius. Revue de Mycologie 3: 157–177. 1 pl. 1938.
- Singer, R.. Phylogenie und Taxonomie der Agaricales. Schweizerische Zeitschrift für Pilzkunde 17: 23–28; 35–39; 52–57; 71–73; 84–87; 97–101. 1939.
- Singer, R.. New genera of fungi. Mycologia 36: 358–368. 1944.
- Singer, R.. The Boletineae of Florida with notes on extralimital species. II. The Boletaceae. Farlowia 2: 223–303. 1 pl. 1945.
- Singer, R.. The Boletoideae of Florida. The Boletineae of Florida with notes on extralimital species. III. American Midland Naturalist 37: 1–125. 1 pl. 1947.