Spore Print: Grifola frondosa (maitake) or Hen-of-the-Woods Mushroom

For sale here is a spore print of Grifola frondosa, the maitake or sheepshead mushroom. It is also known as hen-of-the-woods.  Deposits were taken from fronds grown outdoors in Spring 2024. Spores 4–6 x 3–4 µm; ellipsoid; smooth; hyaline in KOH, often with one large oil droplet; inamyloid. Basidia 25–30 x 6–8 µm; clavate; 4-sterigmate. Hymenial cystidia not found. Hyphal system dimitic.