Want some Orchid tips?http://www.youtube.com/watch?v=wKvJrzI-oPA&list=PLxo6tXzj__ma9E4bF9jgnpRl7lRa59VB_ White fungus and mold appear on potting mediums as well as on roots in moist environments, but sometimes Orchid roots can produce hairs called rhizoids that attach roots to surfaces and cal also absorb moisture. You can also visit my Facebook page here https://www.facebook.com/MissOrchidGirl