1) Tainan grocery store (if it is Agrocybe Cylindrica, then it could grow on tree barks)
2) Cap shape is campanulate, margin is crenate, the surface seems finely fuzzy, partial veil features seems to be cut-of by the producer. Its gills are ventricose adnate, with distance spacing, its edges are eroded. The stem is central, the shape seems to be flexuous, bulbs and volvas are non-existent. The surface seems fiberious.
3) Looks most like Agrocybe Cylindrica , in turns of cap shape. The difference is size and tone of the stem coloration in which this photo shows a bigger sized of the overall mushroom and its stems are longer, thicker and less bright in color. Other then that its cap color are very similar.
