EMETICIFORMIS Murrill, Mycologia 30: 362. 1938.
EPITHELIOSA Singer in Singer et al., Beih. Nova Hedwidgia 77: 203, fig. 6. 1983.
EXALBICANS ((Secr.) Gill.) Melzer and Zarva form DECOLATA Singer, Bull. Soc. Mycol. France 54: 147.
FELLEA Fr. subsp. SIMILLIMA (Peck) Singer, Lilloa 22: 707. 1949.
FERROTINCTA Singer, Mycologia 37: 428. 1945.
FLAVA Romell var. PACIFICA Kauffman, Pap. Michigan Acad. Sci. 11: 205. 1930.
FLAVICEPS Peck, Annual Rep. New York State Mus. 53: 843, pl. c, figs. 6.10. 1900.
FLAVIDA Frost in Peck, Annual Rep. New York State Mus. 32: 32. 1879.
FLOCCULOSA Burlingham, N. Am. Fl. 9: 213. 1915.
FLORIDANA Murrill, Bull. Torrey Bot. Club. 67: 57. 1940.
FOETENS (Pers.) Fr. var. GRANULATA Peck, Annual Rep. New York State Mus. 39: 57. 1886.
FOETENS (Pers.) Fr. var. MINOR Singer, Bull. Soc. Mycol. France. 54: 135. 1938.
FOETENTULA Peck, New York State Mus. Bull. 116: 85. 1907.
FOSTERIANA Murrill, Lloydia 6: 210. 1943.
FRAGILIFORMIS Murrill, Univ. Florida Ag. Exp. Sta. Bull. p. 478. 1951.
FRAGILOIDES Murrill, Lloydia 8: 265. 1945.
FUSCOSA Burlingham, Mycologia 16: 20, pl. 5, fig. 6. 1924.
FUEGIANA Singer, Rev. Mycol. 15: 125. 1950.
FULVESCENS Burlingham, N. Am. Fl. 9: 229. 1915.
FURCATIFOLIA Murrill, Lloydia 6: 210. 1943.
GLAUCA Burlingham, N. Am. Fl. 9: 222. 1915.
GLAUCESCENTIPES Murrill, L1oydia 6: 211. 1943.
GRACILIS Burlingham, N. Am. F1. 9: 222. 1915.
GRACILIS Burlingham subsp. ALTAICA Singer, Bull. Soc. Mycol. France 54: 143.
GRANULATA Peck, Annual Rep. New York State Mus. 53: 843, pl. C, figs. 1.5. 1900.
GRANULATA Peck var. LEPIOTOIDES Atikinson in Peck, New York State Mus. Bull. 67: 37. 1903.