A primary systemic mycosis that results_in fungal infection located_in skin and located_in subcutaneous tissue, and located_in lymphatic vessel 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 at the site of implantation and along the lymphangitic channels which soon become palpable and ulcerate.