List of Psilocybe species

The following list are the majority of known species in the bluing/psychoactive clade of Psilocybe.:

P. acutipilea (Speg.) Guzmán
P. angustipleurocystidiata Guzmán
P. antioquiensis Guzmán, Saldarr., Pineda, G. Garcia & L.-F. Velazquez
P. atlantis Guzmán, Hanlin & C. White
P. aquamarina (Pegler) (aka Stropharia aquamarina Pegler)
P. arcana Borovicka & Hlavacek
P. argentipes K. Yokoy.
P. armandii Guzmán & S.H. Pollock
P. aucklandii Guzmán , C.C. King & Bandala
P. australiana Guzmán & Watling
P. aztecorum R. Heim
P. aztecorum var. bonetii (Guzman) Guzmán (aka P. bonetii Guzmán )
P. azurescens Stamets & Gartz
P. baeocystis Singer & A.H. Smith
P. banderiliensis Guzmán
P. barrerae Cifuentes & Guzmán
P. bohemica Sebek ex Sebek (syn. Hypholoma coprinifacies (Rolland) Herink ss. Herink)
P. brasiliensis Guzmán
P. brunneocystidiata Guzmán & Horak
P. caeruleoannulata Singer ex Guzmán
P. caerulescens Murrill var. caerulescens (aka P. caerulescens var. 'albida R. Heim; P. caerulescens var. mazatecorum R. Heim; P. mazatecorum R. Heim; P. caerulescens var. nigripes R. Heim)
P. caerulescens var. ombrophila (R. Heim) Guzmán (aka P. caerulescens var. mazatecorum, P. ombrophila R. Heim; P. mixaeensis R. Heim)
P. caerulipes (Peck) Sacc.
P. carbonaria Singer
P. chiapanensis Guzmán
P. collybioides Singer & A.H. Smith
P. columbiana Guzmán
P. coprinifacies (Rolland) Pouzar s. auct., non s. Herink, non s. Krieglsteiner (see discussion)
P. cordispora R. Heim
P. cubensis (Earle) Singer (aka Stropharia cubensis Earle; P. cubensis var. caerulescens (Murrill) Singer & A.H. Smith; S. subcyanescens Rick; S. cyanescens Murrill; S. caerulescens (Pat.) Singer]
P. cyanescens Wakef. (non sensu Krieglsteiner)
P. cyanofibrillosa Guzmán & Stamets
P. dumontii Singer ex Guzmán
P. eucalypta Guzmán & Watling
P. fagicola R. Heim & Cailleux
P. farinacea Rick ex Guzmán (aka P. albofimbriata (Rick) Singer)
P. fimetaria (P.D. Orton) Watling (aka P. caesieannulata Singer; Stropharia fimetaria P.D. Orton)
P. fuliginosa (Murrill) A.H. Smith
P. furtadoana Guzmán
P. galindoi Guzmán (aka P. galindii Guzmán )
P. goniospora (Berk. & Broome) Singer (aka P. lonchophora (Berk. Broome) Horak ex Guzmán )
P. graveolens Peck
P. guatapensis Guzmán, Saldarriaga, Pineda, Garcia & Velazquez
P. guilartensis Guzmán, Tapia & Nieves-Rivera
P. heimii Guzmán
P. heliconiae Guzmán, Saldarriaga, Pineda, Garcia & Velazquez
P. herrerae Guzmán
P. hispanica Guzmán
P. hoogshagenii R. Heim var. hoogshagenii (aka P. caerulipes var. gastonii Singer; P. zapotecorum R. Heim s. Singer)
P. hoogshagenii R. Heim var. convexa Guzmán (aka P. semperviva R. Heim & Cailleux)
P. inconspicua Guzmán & Horak
P. indica Sathe & J.T. Daniel
P. isabelae Guzmán
P. jacobsii Guzmán
P. jaliscana Guzmán
P. kumaenorum R. Heim
P. laurae Guzmán
P. lazoi Singer (this is a doubtful neurotropic species, considered first by Guzmán (1983) as a synonym of P. zapotecorum, but Singer, 1986, claimed that this is a not bluing fungus independent of that of Guzmán, 1983]
P. liniformans Guzmán & Bas var. liniformans
P. liniformans var. americana Guzmán & Stamets
P. mairei Singer (aka Hypholoma cyanescens Maire; Geophila cyanescens (Maire) Kuhner & Romagn.; non P. cyanescens s. Krieglsteiner]
P. makarorae Johnst. & Buchanan
P. mammillata (Murrill) A.H. Smith
P. meridensis Guzmán
P. mexicana R. Heim
P. moravica Borovicka
P. moravica var. sternberkiana Borovicka
P. moseri Guzmán
P. muliercula Singer & A.H. Smith (aka P. wassonii R. Heim)
P. natalensis Gartz, Reid, Smith & Eicker
P. natarajanii Guzmán (aka P. aztecorum var. bonetii (Guzman) Guzmán s. Natarajan & Raman]
P. ochreata (Berk. & Broome) Horak exGuzmán
P. ovoideocystidiata Guzmán et Gaines
P. papuana Guzmán & Horak
P. paulensis (Guzmán & Bononi) Guzmán (aka P. banderiliensis var. paulensis Guzmán & Bononi)
P. pelliculosa (A.H. Smith) Singer & A.H. Smith
P. pericystis Singer
P. pintonii Guzmán
P. pleurocystidiosa Guzmán
P. plutonia (Berk. & M.A. Curtis) Sacc.
P. portoricensis Guzmán , Tapia & Nieves-Rivera
P. pseudoaztecorum Natarajan & Raman (aka P. aztecorum var. aztecorum sensu Natarajan & Raman; "P. subaztecorum"Guzmán , 1995)
P. puberula Bas & Noordel.
P. quebecensis Ola'h & R. Heim
P. ramulosa (Guzmán & Bononi) Guzmán (aka P. zapotecorum var. ramulosum Guzmán & Bononi)
P. rostrata (Petch) Pegler
P. rzedowskii Guzmán
P. samuiensis Guzmán , Bandala & Allen
P. sanctorum Guzmán
P. schultesii Guzmán & S.H. Pollock
P. semilanceata (Fr. : Secr.) P. Kumm. (aka P. semilanceata var. caerulescens (Cooke) Sacc.: P. cookei Singer; non P. callosa (Fr. : Fr.) Quel., which is P. strictipes Singer & A.H. Smith]
P. septentrionalis (Guzman) Guzmán (aka P. subaeriginascens Hohn. var. septentrionalis Guzmán )
P. serbica Moser & Horak (non ss. Krieglsteiner)
P. sierrae Singer (aka P. subfimetaria Guzmán & A.H. Sm.)
P. silvatica (Peck) Singer & A.H. Smith
P. singerii Guzmán
P. strictipes Singer & A.H. Smith (aka P. callosa (Fr. : Fr.) Quel. s.Guzmán , 1983; P. semilanceata var. obtusa Bon; P. semilanceata var. microspora Singer ?]
P. stuntzii Guzmán & Ott
P. subacutipilea Guzmán , Saldarriaga, Pineda, Garcia & Velazquez
P. subaeruginascens Hohn. var. subaeruginascens (aka P. aerugineo-maculans (Hohn.) Singer & A.H. Smith]
P. subaeruginosa Cleland
P. subcaerulipes Hongo
P. subcubensis Guzmán
P. subtropicalis Guzmán
P. subyungensis Guzmán
P. subzapotecorum Guzmán
P. tampanensis Guzmán & S.H. Pollock
P. tasmaniana Guzmán & Watling
P. uruguayensis Singer ex Guzmán
P. uxpanapensis Guzmán
P. venenata (S. Imai) Imaz. & Hongo (aka P. fasciata Hongo; Stropharia caerulescens S. Imai)
P. veraecrucis Guzmán & Perez-Ortiz
P. villarrealiae Guzmán
P. wassoniorum Guzmán & S.H. Pollock
P. wayanadensis K.A. Thomas, Manim. & Guzmán
P. weilii Guzmán, Tapia & Stamets
P. weldenii Guzmán
P. wrightii Guzmán
P. xalapensis Guzmán & A. Lopez
P. yungensis Singer & A.H. Smith (aka P. yungensis var. diconica Singer & A.H. Smith; P. yungensis var. acutopapillata Singer & A.H. Smith; P. isaurii Singer; P. acutissima R. Heim)
P. zapotecorum R. Heim emend. Guzmán (aka P. aggericola Singer & A.H. Smith)