lawrencemmartin's Identifications

Large fruiting coating a fallen Alnus rubra.
Reddish brown overall with minute shelving above pores.
Harvested two sections.
Applied 3% KOH to surface. Darkened, but no distinct change after 5 minutes.
Removed thin pore layer surface/tissue and mounted in 3% KOH on a glass slide.
MICROSCOPY:
Setae: abundant along outer edge of tissue. Long and spear like with fine pointed/sharp tips.
Basidia: 4 sterigmate.
Hyphae: Septate, notches, notch points slightly flaring at intersection or where separated.
Spores: Ellipsoid, with a single guttule(oil dot) in center of each spore(appearing like black eyed peas). Very small, thin walled.
All macroscopic and microscopic features match for F. ferruginosa.
Dehydrating both specimens to bag for herbarium collection/genetic record.
My corresponding Mushroomobserver observation below-

https://mushroomobserver.org/548282?q=1pyPk

Single mature fruiting body beneath Acer macrophyllum.
Harvested specimen and dehydrating for herbarium collection/genetic record.
My corresponding Mushroomobserver observation below-

https://mushroomobserver.org/548349?q=1oaSB