Cypripedium calceolus
"Cypripedium calceolus" is known to primarily associate with mycorrhizal fungi in the genus "Tulasnellaceae". Specific relationships with mycorrhizal fungi are key to orchids' ability to access soil nutrients. Other suggested mycorrhizal partners include "Alternaria" sp., "Ceratorhiza" sp., "Chaetomium" sp., "Cylindrocarpon" sp., "Epicoccum purpureum", "Epulorhiza" sp., "Moniliopsis" sp., "Mycelium radicis atrovirens", "Phoma" sp. and "Rhizoctonia subtilis" sp.