spore_shape_oval
ovate
two types of spores, (1) produced on 4-sterigmate basidia being hyaline, smooth, thinwalled, apiculate, allantoid, 6.3-7.5 x 2.0-2.5 μm (2) produced on 2-sterigmate basidia being ovate-cylindric to suballantoid, hyaline, smooth, thin-walled, apiculate, 8.5-12.5 x 5.8-6.5 μm
Cytidia simulans
Auriculariopsis ampla