Golden Teacher is a cultivar — an informally named strain — of Psilocybe cubensis, the species formally described by Earle in 1906 and transferred to Psilocybe by Rolf Singer in 1949. It carries no independent taxonomic status. Spores are subellipsoid, measuring 11–17 × 7–12 µm, with a thick smooth wall, dark purple-brown pigmentation, and a distinctive apical germ pore. In the UK, ungerminated spores are legal to possess for microscopy research. Taxonomy a … read more