Onnia tomentosa (Inonotus tomentosus)  (1 Photo and Description)

Onnia tomentosa (formerly Inonotus tomentosus)02221

Onnia tomentosa (previously known as Inonotus tomentosus) “Wooly Velvet Polypore” Parasitic on conifers. This young wavy polypore can be mistaken for a toothed fungus when looking from above. Below the cap surface, however, there are pores and a dark brown short stipe. Onnia tomentosa causes a white root rot and is a formidable pathogen of cultivated white spruce plantations.