 Inocybe saliceticola is a fungus found in moist habitats in the Nordic countries . The species produces brown mushrooms with caps of varying shapes up to 40 millimetres ( 1 @.@ 6 in ) across , and tall , thin stems up to 62 millimetres ( 2 @.@ 4 in ) long . At the base of the stem is a large and well @-@ defined " bulb " . The species produces unusually shaped , irregular spores , each with a few thick protrusions . This feature helps differentiate it from other species that would otherwise be similar in appearance and habit . 
