Sanmee R, Lumyong P, Dell B, Lumyong S (2010). «In vitro cultivation and fruit body formation of the black bolete, Phlebopus portentosus, a popular edible ectomycorrhizal fungus in Thailand». Mycoscience51 (1): 15-22. doi:10.1007/s10267-009-0010-6.
((Pham NDH)), Takahashi H, Fukiharu T, Shimizu K, Le BD, Suzuki A (2012). «Phlebopus spongiosus sp. nov. (Boletales, Boletinellaceae) with a sponge-like tissue». Mycotaxon119: 27-34. doi:10.5248/119.27.