Fungus Rhizopogon kretzerae was described as a new species only from its DNA sequence. Furthermore, the DNA was isolated from the root tips of pine, Pinus ponderosa See http://bomi.ou.edu/ben/ben516.html & http://bomi.ou.edu/ben/516/ben_dxvi_plate.pdf (Plate 3) for details. Adolf Ceska,Victoria, BC, Canada