Pileus 5cm, wood brown Pileus 2.2cm broad, wood brown Hazel Pileus lilac or some shade of reddish Pileus 5-8mm broad Lilac Dark testaceous Pileus 1-2cm broad, stipe 2-3cm long Latericeous, gills testaceous Chestnut red; gills fazn color Madder brown to Pompeian red Pileus 2-5cm; stipe 5-8cm; rose lilac Margin at first incurved Gills decurrent; pileus umbilicate Pileus white or whitish Pileus under 13mm broad Pileus 5mm broad, stipe 6mm long Pileus 8-13mm, stipe 1-4cm Pileus not umbonate Stipe 2cm, pileus 13mm Stipe 3cm, pileus 10mm Stipe 4cm, pileus 8mm Pileus umbonate Pileus convex with abrupt small umbo Pileus conic with a long pointed umbo Pileus 3cm or more broad Pileus convex to umbilicate, gills distant Pileus infundibuliform; gills crowded Pileus yellow or yellowish Pileus infundibuliform Pileus 1-1.5cm broad Isabelline Flavovirens becoming melleous Medal bronze to citrine Pileus 3-4cm,isabelline may be only large form of O. lenta Pileus 3cm drab, reticulated darker Pileus convex, 2-3cm broad Stipe 1mm in diameter Stipe 2-4mm in diameter Pileus umber (if raw cf. spec. from Castilla Jy23 Pileus red or reddish Pileus 6mm broad, gills distant Pileus 12mm broad, gills crowded Pileus 2.5cm broad Gills adnate or adnexed Pileus glabrous Pileus not viscid Pileus entirely white or whitish Pileus 1-2cm broad, gills adnexed crowded,narrow Pileus 3-8cm broad Gills deeply sinuate,narrow, crowded Gills adnate, broad Pileus whitish, differently colored on disc Disc pale yellowish; stipe 1.5cm M. 5375 M. 5379 M. 7660 M. syringeus M. testaceus M. latericius M. corrugatus M. 5346 M. purus Omphalina O. niveicolor, 7193, 7293,7221,7205 O. subscyphoides ♀ Golfo Dulce 7710 O. tepeitensis O. cuspidatella O. acuminata O. collybiiformis,7644 O. jalapensis O. lenta, 7680,7734 O. flavella, 7328,726_ 771_ O. 7217 O. Sandalo 7712 O. merulioides n.sp. O. Earlei O. cremea O. chondripes O. miniat O. coccinea O. carneola Collybia C. muscicola C. Boryana C. albidula C. orizabensis