North America

Arizona
Gymnopilus luteofolius (link)
Panaeolus cinctulus (link)
Pluteus americanus (link)
Pluteus glaucotinctus (link)
Psilocybe aztecorum (link, link)
Psilocybe pelliculosa (link)
Psilocybe hopii (link, link)

Arkansas
Gymnopilus braendlei (link)
Gymnopilus subspectabilis (link)
Panaeolus cinctulus (link)
Psilocybe cubensis (link)
Psilocybe ovoideocystidiata

California (San Francisco to the Oregon border)
Gymnopilus luteofolius (link)
Gymnopilus dilepis (link)
Inocybe bohemica nom. prov. (link, link) (Many toxic look-alikes, Inocybes are not recommended for hunting)
Massospora levispora (link)
Massospora platypediae (link)
Panaeolus cinctulus (link)
Panaeolus olivaceus (link)
Pluteus americanus (link)
Pluteus brunneidiscus (link)
Pluteus phaeocyanopus (link)
Psilocybe allenii (link)
Psilocybe cyanescens
Psilocybe ovoideocystidiata (link, link)
Psilocybe pelliculosa (link)
Psilocybe semilanceata (only near the coast and only north of Arcata) (link)
Psilocybe stuntzii (link)

California (Southern)
Gymnopilus luteofolius (link)
Inocybe bohemica nom. prov. (link) (Many toxic look-alikes, Inocybes are not recommended for hunting)
Panaeolus bisporus (link)
Panaeolus cinctulus (link)
Panaeolus olivaceus (link)
Pluteus phaeocyanopus (link)
Psilocybe allenii (link)
Psilocybe ovoideocystidiata (link)
Psilocybe sp. (undescribed) (link)

Colorado
Massospora platypediae (link)
Pholiotina cyanopus (link)
Pluteus brunneidiscus
Gymnopilus luteus group
Panaeolus cinctulus
Panaeolus olivaceus
Pluteus americanus (link)
Psilocybe aztecorum (El Paso County and west of Boulder) (link)

Connecticut
Gymnopilus luteus (link)
Gymnopilus luteofolius (link)
Gymnopilus subspectabilis (link)
Panaeolus cinctulus (link)
Pluteus brunneidiscus
Psilocybe baeocystis (link)
Psilocybe caerulipes (link)
Psilocybe ovoideocystidiata (link)

Delaware
Gymnopilus luteus (link)
Gymnopilus subspectabilis (link)
Panaeolus cinctulus
Psilocybe ovoideocystidiata (link)

Florida
Panaeolus bisporus
Panaeolus cambodginiensis
Panaeolus cinctulus (link)
Panaeolus chlorocystis (link)
Panaeolus cyanescens (link)
Panaeolus fimicola
Panaeolus tropicalis
Gymnopilus cyanopalmicola (link)
Gymnopilus dilepis (link)
Gymnopilus lepidotus (link)
Gymnopilus luteoviridis (link)
Gymnopilus subspectabilis (link)
Gymnopilus palmicola (link)
Gymnopilus peliolepis (link)
Gymnopilus subtropicus (link)
Pluteus glaucotinctus (link)
Pluteus meridionalis (link)
Pluteus nigrolineatus (link, link)
Pluteus saupei (link)

Pluteus sp. (link, link, link,link, link)
Psilocybe cf. banderillensis (found only once in recorded history, recorded as P. mammillata) (link)
Psilocybe caerulescens (link)
Psilocybe cubensis (link)
Psilocybe niveotropicalis (link, link)

Psilocybe sect. Cordisporae (link)
Psilocybe tampanensis (link)

Gymnopilus luteofolius (link)
Gymnopilus subspectabilis (link)
Inocybe insignis ( link )
Panaeolus cinctulus (link)
Panaeolus cyanescens
Panaeolus fimicola (link)
Panaeolus olivaceus (link)
Panaeolus sp. (Panaeolopsis) (link)
Pluteus americanus (link)
Pluteus glaucotinctus group (link)
Psilocybe caerulescens (formerly known as P. weilii) (link)
Psilocybe caerulipes (link)
Psilocybe cubensis (link)
Psilocybe ovoideocystidiata (link, link)
Psilocybe tampanensis (formerly known as P. atlantis) (link) (P. atlantis holotype)

Hawaii
Panaeolus bisporus
Panaeolus cambodginiensis
Panaeolus cinctulus (link)
Panaeolus cyanescens (link)
Panaeolus tropicalis
Pluteus meridionalis (link, link)
Psilocybe cubensis

Idaho
Gymnopilus luteofolius (link)
Panaeolus cinctulus (link)
Panaeolus olivaceus (link)
Pluteus brunneidiscus
Pholiotina cyanopus (link)
Psilocybe fimetaria (link)
Psilocybe pelliculosa (link)
Psilocybe silvatica

Illinois
Gymnopilus braendlei (link)
Gymnopilus luteus (link)
Gymnopilus luteofolius (link)

Gymnopilus subspectabilis (link)
Inocybe insignis (link)
Panaeolus cinctulus (link link)
Pluteus americanus (link)
Pluteus saupei (holotype sequence) (link)

Indiana
Gymnopilus braendlei
Gymnopilus luteofolius (link)
Gymnopilus luteus (link)
Gymnopilus subspectabilis (link)
Inocybe "sp-IN116" (link)
Inocybe insignis (link, link)
Panaeolus bisporus (link)
Panaeolus fimicola
Panaeolus cinctulus (link, link)
Pholiotina smithii (link)
Pluteus americanus (link)
Pluteus meridionalis (link)
Pluteus saupei (link)
Psilocybe caeruleorhiza (link)
Psilocybe ovoideocystidiata (central to southern parts of the state) (link, link)

Iowa
Gymnopilus luteofolius (link)
Gymnopilus luteus (link)
Panaeolus cinctulus
Pluteus americanus
Psilocybe caeruleorhiza (link, link)

Kansas
Gymnopilus luteofolius (link)
Gymnopilus pulchrifolius (link)
Panaeolus cinctulus (link)

Kentucky
Gymnopilus luteofolius (link)
Gymnopilus luteus
Panaeolus cinctulus (link)
Pluteus americanus (link, link)
Pluteus meridionalis (link)
Psilocybe caeruleorhiza (link)
Psilocybe caerulipes (link)
Psilocybe ovoideocystidiata (link)

Louisiana
Gymnopilus luteofolius (link)
Gymnopilus junonius grup (link)
Gymnopilus lepidotus (link)
Panaeolus cinctulus (link)
Panaeolus cyanescens
Psilocybe caerulescens (link)
Psilocybe cubensis (link)

Maine
Gymnopilus luteus (link)
Panaeolus cinctulus (link)
Panaeolus fimicola (link)
Pholiotina cyanopus (link)
Pluteus sp. (link)
Psilocybe baeocystis (link)
Psilocybe caerulipes (link)
Psilocybe stuntzii (link)

Maryland
Gymnopilus junonius group (link)
Gymnopilus luteus (link)
Panaeolus cinctulus (link)
Panaeolus fimicola (link)
Psilocybe ovoideocystidiata (link)

Massachusetts
Gymnopilus junonius group (link)
Gymnopilus luteus (link)
Panaeolus cinctulus
Psilocybe baeocystis (link)
Psilocybe caerulipes (link)
Psilocybe cyanescens (link)
Psilocybe ovoideocystidiata (link)
Psilocybe stuntzii (link)

Michigan
Gymnopilus luteofolius
Gymnopilus luteus
Panaeolus cinctulus
Pholiotina cyanopus (link)
Pholiotina smithii (neotype designated in this link)
Pluteus americanus (link)
Pluteus saupei (link)
Psilocybe caeruleorhiza (link)
Psilocybe caerulipes
Psilocybe liniformans var. americana (very rare, if it even exists at all)
Psilocybe ovoideocystidiata (link)
Psilocybe silvatica

Minnesota
Gymnopilus luteofolius (link)
Gymnopilus luteus (link)
Panaeolus cinctulus (link)
Pluteus americanus

Mississippi
Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe caerulescens (link)
Psilocybe cubensis
Psilocybe tampanensis (very rare)

Missouri
Gymnopilus braendlei
Gymnopilus sp.
Inocybe insignis (link)
Panaeolus cinctulus
Pluteus americanus (link)
Psilocybe cubensis (rare, found not far from AR/MO border) (link)
Psilocybe ovoideocystidiata (link)

Montana
Gymnopilus luteofolius (link)
Panaeolus cinctulus
Pholiotina smithii (link)
Psilocybe aztecorum (link)

Nebraska
Gymnopilus luteofolius
Gymnopilus sp.
Panaeolus cinctulus

Nevada
Gymnopilus sp.
Panaeolus cinctulus (link)

New Hampshire
Conocybe smithii (link)
Gymnopilus luteus (link)
Gymnopilus subspectabilis
Panaeolus cinctulus
Psilocybe baeocystis (link)
Psilocybe caerulipes

New Jersey
Gymnopilus luteofolius (link)
Gymnopilus luteus (link)

Gymnopilus subspectabilis (link)
Panaeolus cinctulus
Psilocybe caerulipes
Psilocybe graveolens (rare)
Psilocybe ovoideocystidiata

New Mexico
Gymnopilus luteofolius (link)
Massospora platypediae (link)
Panaeolus cinctulus (link)
Psilocybe mescaleroensis (link)

New York
Gymnopilus luteofolius (link)
Gymnopilus luteus
Gymnopilus validipes
Inocybe "sp-IN116" (link)
Inocybe "glaucescens-NY01" (link)
Panaeolus cinctulus
Panaeolus fimicola
Panaeolus olivaceus
Pholiotina cyanopus (link) (holotype studylink)
Pholiotina smithii (link)
Pluteus americanus (link)
Pluteus brunneidiscus
Psilocybe caerulipes (link)
Psilocybe cyanescens (link)
Psilocybe liniformans var. americana
Psilocybe ovoideocystidiata (link)
Psilocybe silvatica

North Carolina
Copelandia cyanescens
Gymnopilus luteus
Gymnopilus luteofolius
Inocybe "sp-IN116" (link, link)
Panaeolus cinctulus
Psilocybe baeocystis (link)

Psilocybe cubensis
Psilocybe caerulipes
Psilocybe caerulescens (link)
Psilocybe ovoideocystidiata (link)
Psilocybe strictipes (link)

North Dakota
Gymnopilus sp.
Panaeolus cinctulus

Gymnopilus luteofolius
Gymnopilus luteus
Gymnopilus subspectabilis (link)
Inocybe insignis (link)
Panaeolus bisporus (link)
Panaeolus cinctulus
Pluteus albostipitatus (link)
Pluteus americanus
Pluteus saupei (link, link)
Psilocybe caeruleorhiza (holotype, link)
Psilocybe caerulipes
Psilocybe ovoideocystidiata

Oklahoma
Gymnopilus sp.
Panaeolus cinctulus
Psilocybe cubensis (Southern part of the state)

Oregon
Gymnopilus luteofolius
Gymnopilus cf. lepidotus
Gymnopilus dilepis (link)
Panaeolus cinctulus
Panaeolus olivaceus
Pholiotina cyanopus (link)
Pholiotina smithii (link)
Psilocybe allenii
Psilocybe azurescens
Psilocybe baeocystis
Psilocybe cyanofibrillosa
Psilocybe cyanescens
Psilocybe fimetaria
Psilocybe ovoideocystidiata
Psilocybe pelliculosa
Psilocybe semilanceata
Psilocybe stuntzii

Pennsylvania
Gymnopilus luteofolius
Gymnopilus luteus
Panaeolus cinctulus
Pluteus americanus
Pholiotina cyanopus (link)
Psilocybe caeruleorhiza (link)
Psilocybe caerulipes
Psilocybe cyanescens (link)
Psilocybe ovoideocystidiata

Rhode Island
Gymnopilus sp.
Panaeolus cinctulus

South Carolina
Gymnopilus luteus
Gymnopilus subspectabilis (link)
Inocybe insignis (link)
Panaeolus cinctulus
Panaeolus cyanescens (link)
Psilocybe cubensis
Psilocybe caerulipes
Psilocybe caerulescens (rare)
Psilocybe tampanensis (link)

South Dakota
Gymnopilus luteus (link)

Panaeolus cinctulus (link)
Panaeolus fimicola (link)
Pluteus americanus (link, link)

Tennessee
Gymnopilus luteofolius (link)
Gymnopilus luteus (link)

Inocybe insignis (link)
Panaeolus cinctulus (link)
Panaeolus cyanescens (link)
Panaeolus fimicola (link)
Pluteus albostipitatus (link)
Psilocybe cubensis (link)
Psilocybe caerulipes
Psilocybe ovoideocystidiata (link)

Texas
Gymnopilus luteofolius
Gymnopilus luteoviridis

Gymnopilus rufosquamulosus (link)
Panaeolus cyanescens
Panaeolus cinctulus
Pluteus sp. (link, link)
Psilocybe caerulescens (link)
Psilocybe cubensis

Utah
Gymnopilus sp.
Massospora platypediae (link)
Panaeolus cinctulus

Vermont
Gymnopilus luteofolius
Gymnopilus luteus group
Panaeolus cinctulus
Psilocybe aztecorum (link, link)
Psilocybe caerulipes (link)

Virginia
Gymnopilus luteofolius
Gymnopilus luteus
Inocybe insignis (link)
Panaeolus cinctulus
Panaeolus cyanescens (link)
Psilocybe caerulipes
Psilocybe cubensis (rare, only near the coast)
Psilocybe ovoideocystidiata

Washington
Gymnopilus braendlei
Gymnopilus luteofolius
Gymnopilus viridans
Panaeolus bisporus (link)
Panaeolus cinctulus
Panaeolus fimicola
Panaeolus olivaceus
Pluteus americanus
Pholiotina cyanopus (link)
Pholiotina smithii (link)
Psilocybe allenii
Psilocybe azurescens
Psilocybe baeocystis
Psilocybe cyanescens
Psilocybe cyanofibrillosa
Psilocybe fimetaria
Psilocybe liniformans var. americana
Psilocybe ovoideocystidiata
Psilocybe pelliculosa
Psilocybe semilanceata
Psilocybe silvatica
Psilocybe stuntzii

Washington DC, (District of Columbia)
Gymnopilus braendlei
Gymnopilus sp.
Panaeolus cinctulus
Psilocybe ovoideocystidiata

West Virginia
Gymnopilus luteus
Panaeolus cinctulus
Psilocybe caerulipes
Psilocybe cubensis (rare)
Psilocybe ovoideocystidiata

Wisconsin
Gymnopilus sp.
Gymnopilus luteofolius
Gymnopilus luteus
Panaeolus cinctulus
Pholiotina smithii (link)
Pluteus americanus

Wyoming
Panaeolus cinctulus
Pluteus americanus

Canada

Gymnopilus luteofolius
Gymnopilus sp.
Panaeolus cinctulus
Panaeolus olivaceus
Panaeolus sp.
Pholiotina smithii
Psilocybe allenii
Psilocybe aztecorum
Psilocybe baeocystis
Psilocybe caerulipes (link)
Psilocybe cyanescens
Psilocybe cyanofibrillosa
Psilocybe pelliculosa
Psilocybe semilanceata
Psilocybe stuntzii

Alberta
Conocybe kuehneriana
Gymnopilus luteofolius
Gymnopilus sp.
Panaeolus cinctulus
Panaeolus sp.

British Columbia
Gymnopilus luteofolius
Panaeolus cinctulus
Pholiotina cyanopus (link)
Pholiotina smithii (link)
Pluteus brunneidiscus
Psilocybe baeocystis
Psilocybe cyanofibrillosa
Psilocybe cyanescens
Psilocybe fimetaria
Psilocybe pelliculosa
Psilocybe semilanceata
Psilocybe sierrae
Psilocybe silvatica
Psilocybe stuntzii
Psilocybe subfimetaria

New Brunswick
Gymnopilus luteus (link)
Panaeolus cinctulus
Psilocybe fimetaria
Psilocybe semilanceata

Newfoundland
Gymnopilus sp.
Panaeolus cinctulus
Psilocybe semilanceata

Gymnopilus subspectabilis (link)
Panaeolus cinctulus
Psilocybe aztecorum
Psilocybe baeocystis (link)
Psilocybe caerulipes
Psilocybe semilanceata

Ontario
Gymnopilus luteus (link)
Gymnopilus speciosissimus (link)
Gymnopilus viridans
Massospora levispora (link)
Panaeolus cinctulus
Panaeolus sp.
Pluteus americanus (link)
Pholiotina smithii (link)
Psilocybe caerulipes (link)
Psilocybe silvatica

Prince Edward Island
Gymnopilus luteus (link)
Pluteus americanus (link)
Panaeolus cinctulus
Psilocybe semilanceata (link)

Quebec
Gymnopilus luteus (link)
Gymnopilus speciosissimus (link)
Gymnopilus viridans (likely actually one of the above species)
Panaeolus cinctulus
Panaeolus olivaceus
Pholiotina cyanopus (link)
Psilocybe aztecorum (formerly known as Psilocybe quebecensis) (link)
Psilocybe caerulipes
Psilocybe semilanceata

Saskatchewan
Panaeolus cinctulus (link)
Pholiotina smithii (link)

Cuba

Gymnopilus palmicola (holotype)
Panaeolus cinctulus
Psilocybe cubensis
Psilocybe plutonia (Probably P. banderillensis)

Dominican Republic

Granada

Greenland

Haiti

Jamaica

Gymnopilus sp.
Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe cubensis
Psilocybe fimicola
Psilocybe fuliginosa
Psilocybe mammillata

Mexico

Conocybe siligineoides
Inocybe corydalina group (Many toxic look-alikes, Inocybes are not recommended for hunting)
Gymnopilus cyanopalmicola (link)
Gymnopilus subearlei (link)
Gymnopilus subpurpuratus
Panaeolus cinctulus
Panaeolus cyanescens
Panaeolus fimicola
Panaeolus sp.
Panaeolus tropicalis
Panaeolus venezolanus
Pluteus americanus (known from the state of Hidalgo as P. salicinus)
Pluteus leucocyanescens (Veracruz)

Pluteus nigrolineatus (link)
Psilocybe aztecorum
Psilocybe banderillensis
Psilocybe caerulescens
Psilocybe caerulipes (Veracruz, Hidalgo)
Psilocybe cubensis
Psilocybe fagicola
Psilocybe heimii
Psilocybe hoogshagenii
Psilocybe mexicana
Psilocybe meridionalis
Psilocybe moseri
Psilocybe muliercula
Psilocybe neoxalapensis
Psilocybe subtropicalis
Psilocybe yungensis
Psilocybe zapotecorum (link to Guanajuato)

Puerto Rico

Gymnopilus suberis (link)
Gymnopilus subpurpuratus group
Panaeolus sp.
Panaeolus cinctulus
Panaeolus cyanescens
Panaeolus fimicola
Psilocybe banderillensis
Psilocybe caerulescens
Psilocybe cubensis
Psilocybe moseri
Psilocybe portoricensis (likely actually P. fagicola or P. neoxalapensis)

Trinidad

Africa

Gymnopilus sp.
Panaeolus africanus
Panaeolus bisporus
Panaeolus cyanescens
Panaeolus cinctulus
Panaeolus fimicola
Panaeolus microsporus
Panaeolus sp.
Panaeolus tropicalis
Pluteus salicinus
Psilocybe cubensis
Psilocybe congolensis
Psilocybe cyanescens
Psilocybe mairei
Psilocybe natalensis
Psilocybe semilanceata

Democratic Republic of the Congo

Gymnopilus luteofolius group (link)
Panaeolus cinctulus
Pluteus glaucotinctus (link)
Pluteus thoenii (link)
Psilocybe congolensis

Chad

Algeria

Kenya

Gymnopilus sp.
Panaeolus cinctulus
Panaeolus cyanescens (link)
Psilocybe aquamarina
Psilocybe cubensis (link)
Psilocybe subaeruginascens (link)

Madagascar

Panaeolus cyanescens
Gymnopilus sp.
Panaeolus cinctulus

Mauritius

Morocco

Gymnopilus sp.
Panaeolus cinctulus
Psilocybe mairei

Republic of Congo

Sudan

South Africa

Gymnopilus subearlei
Gymnopilus igniculus
Gymnopilus purpureosquamulosus
Gymnopilus dilepis
Inocybe aeruginascens (Many toxic look-alikes, Inocybes are not recommended for hunting,link )

Uganda

Gymnopilus sp.
Panaeolus cinctulus
Panaeolus cyanescens (link)
Psilocybe cubensis
Psilocybe subaeruginascens (link)

Zimbabwe

Asia

Bhutan

Borneo

Gymnopilus luteofolius group (link)
Gymnopilus purpureosquamulosus (link)

Cambodia

Gymnopilus sp.
Panaeolus cambodginiensis
Panaeolus cinctulus
Panaeolus cyanescens
Panaeolus tropicalis
Psilocybe cubensis
Psilocybe sp. (link)

China

Gymnopilus sp.
Panaeolus axfordii (link)
Panaeolus cinctulus
Panaeolus cyanescens
Panaeolus sp.
Psilocybe angulospora (Taiwan, link)
Psilocybe baeocystis
Psilocybe cinnamomea
Psilocybe chuxiongensis
Psilocybe cubensis
Psilocybe fasciata
Psilocybe ningshanensis (link)
Psilocybe keralensis (link)
Psilocybe pelliculosa
Psilocybe ruliensis (link)
Psilocybe samuiensis (link)
Psilocybe sp. XH-2021a (link)
Psilocybe subcaerulipes (Taiwan, link)
Psilocybe venenata
Psilocybe wayanadensis
Psilocybe yungensis

Hong Kong

India

Copelandia tropica
Gymnopilus sp.
Inocybe corydalina (Many toxic look-alikes, Inocybes are not recommended for hunting)
Panaeolus africanus
Panaeolus bisporus
Panaeolus cinctulus
Panaeolus cyanescens
Panaeolus cyannoanulatus
Panaeolus lepus-stercus
Panaeolus olivaceus
Panaeolus tirunelveliensis
Panaeolus tropica
Panaeolus tropicalis
Panaeolus venezolanus
Pluteus padanilis (link)
Psilocybe angulospora (link)
Psilocybe aztecorum var. bonetii

Psilocybe chuxgionensis (link)
Psilocybe cubensis
Psilocybe indica
Psilocybe keralensis
Psilocybe natarajanii
Psilocybe pseudoaztecorum
Psilocybe semilanceata
Psilocybe subaeruginascens
Psilocybe subtropicalis
Psilocybe wayanadensis

Indonesia

Gymnopilus sp.
Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe aerugineomaculans
Psilocybe cubensis
Psilocybe eximia (link to study of the type collection)
Psilocybe subaeruginascens

Israel

Inocybe tricolor (Many toxic look-alikes, Inocybes are not recommended for hunting)
Panaeolus fimicola

Japan

Gymnopilus luteofolius (link)
Gymnopilus orientispectabilis (link)
Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe cubensis (described as P. capitulata) (link)
Psilocybe keralensis (link)
Psilocybe septentrionalis var. septentrionalis
Psilocybe subaeruginascens
Psilocybe subcaerulipes
Psilocybe venenata

Korea

Gymnopilus junonius group
Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe papuana (as P. thaizapoteca in this paper)
Psilocybe subcaerulipes (link) (link)

Laos

Panaeolus cinctulus
Panaeolus cyanescens
Psilocybe cubensis (link)
Psilocybe cf. subcaerulipes (link)