Suillus olive to olive-brown spore print; tubular hymenophore is easily removed from the pileus; macroscopically can be recognized by the viscid, slimy, glutinous pileus or/and glandular dots at stipe apex or membranous to glutinous partial veil. Suillus brevipes, S. lakei, S. pungens, S. caerulescens, S. ponderosus. Also see Bolete.fungi