Rhizomucor pusillus, microscopy

Sporngiophores are light brown to brown but branched different from Rhizopus spp.
The main stem and each branch terminate with a brown, subspharical sporangium.
Columellae are brown, subspherical to pyriform with a rudimentary collar at base.

胞子嚢柄は淡褐色から褐色，分枝する点がRhizopus 属菌種と異る．
主枝と各分枝は先端は褐色亜球形の胞子嚢になる．
柱軸は褐色，亜球形，洋梨形，基底部に痕跡的なカラーを持つ．