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Morphology of Backusella oblongielliptica. (A), Colony on SMA. (B), Colony on PDA. (C), Colony on MEA. (D), Sporangium on circinate branches. (E–G), Young and mature sporangia. (H), Sterile sporangium. (I–K), Columellae of different shapes. (L), Sporangiospores. Scale bars: E–K = 50 μm, L = 20 μm.
