Is it this one

From the soil factor, there are several possibilities: First, the potting soil contains part of the organic matter that is not fully decomposed, and the mushroom grows in the water fermentation; second, the raw material of this nutrient soil contains the material prepared with the discarded material after the production of mushrooms; third, it is the watering of organic fertilizers, and there are organic particles of the mushroom in the soil that are not fully decomposed. Mushroom spores spread in the air and easily develop into mycelium when they meet the above environment, and then give birth to mushrooms. Mycelium grows in large quantities in the soil and consumes a lot of oxygen, which affects the respiration of the plant root system and easily causes root rot. It's okay, you can pull it out if you don't like it. Orchids are fleshy roots, more drought-resistant, and the potting soil stays dry, and the mycelium dies quickly.