Héctor S. Osorio

1928

• Apuntes de liquenologia y clave para los generos de liquenes de los alrededores de Buenos Aires
• Contribucion a la flora liquencia del Uruguay
• Contribution to the lichen flora of Argentina
• Contribution to the lichen flora of Brazil
• Contribution to the lichen flora of Brazil = Contribuiçāo à flora Liquenológica do Brasil
• Contribution to the lichen flora of Uruguay
• Contribution to the lichen flora of Uruguay XI
• Contribution to the lichen flora of Uruguay XII
• Contribution to the lichen flora of Uruguay XIII
• Contribution to the lichen flora of Uruguay XVI
• Contribution to the lichen flora of Uruguay, XXII
• Contributions to the lichen flora of Argentina