A primary systemic mycosis that results_in fungal infection located_in skin and located_in subcutaneous tissue through direct inoculation from wood splinters or hay, has_material_basis_in Sporothrix schenckii, a dimorphic fungus, which results_in_formation_of erythematous papulonodular lesions evolving into either smooth or verrucose painless nodules that may ulcerate and drain. [ http://purl.obolibrary.org/obo/ECO_0007637 ]