Type studies in the Hydnaceae - IV. The genus PhellodonPublished in Mycologia, in 1913, in volume 5, issue 2, pages 62-66
Type studies in the Hydnaceae VI. The genera Creolophus, Echinodontium, Gloiodon, and HydnodonPublished in Mycologia, in 1913, in volume 5, issue 6, pages 293-298