Paxillaceae
Alpova
Alpova diplophloeus (Zeller & C.W.Dodge) Trappe & A.H.Sm.
Alpova nauseosus (Coker & Couch) Trappe
Alpova olivaceotinctus (A.H.Sm. in A.H.Sm. & Zeller) Trappe
Alpova rubescens (Vittad.) Trappe
Melanogaster
Melanogaster ambiguus (Vittad.) Tul. & C.Tul.
Melanogaster ambiguus var. euryspermus Zeller & C.W.Dodge
Melanogaster ambiguus var. intermedius Berk.
Melanogaster euryspermus (Zeller & C.W.Dodge) Zeller
Melanogaster intermedius (Berk.) Zeller & C.W.Dodge
Melanogaster macrocarpus Zeller
Melanogaster microsporus Mattir.
Melanogaster owanianus Kalchbr. [ined.]
Melanogaster parksii Zeller & C.W.Dodge
Melanogaster tuberiformis Corda
Melanogaster variegatus (Vittad.) Tul. & C.Tul.
Neopaxillus
Paragyrodon
Paragyrodon sphaerosporus (Peck) Singer
Paxillus
Paxillus atromentosus (Batsch:Fr.) Fr.
Paxillus atrotomentosus (Batsch:Fr.) Fr.
Paxillus cookianus Ellis & Everh.
Paxillus griseotomentosus Secr. ex Fr.
Paxillus involutus (Batsch:Fr.) Fr.