SPECIES ATLAS · INOCYBE
Inocybe aeruginascens
Named by Babos, 1970
Psilocybin record: confirmed (several modern analyses)- 1970name published
- 7analyses on file
- 0found nothing
- 132world records (GBIF)
- 1Canadian records
A history of a name and a chemistry record, not an identification guide. No name, picture or description can show that a wild mushroom is safe, and poisonous mushrooms are mistaken for magic mushrooms. If someone may have eaten a wild mushroom, call a poison centre without waiting for symptoms: 1-844-POISON-X in most of Canada, 1-800-463-5060 in Quebec. Call 911 if they’re unconscious, not breathing or having a seizure.
How it was named.
Babos described Inocybe aeruginascens; Index Fungorum treats a 1968 publication as invalid and accepts the name from Botanikai Közlemények 57 (1970). It drew chemical attention after Drewitz (1983) reported poisonings in East Germany with psychoactive rather than muscarine symptoms. The compound aeruginascin is named after it.
- Named
- Babos, 1970
- Other names in the records
- Inocybe aeruginascens Babos 1968 (Fragm. Bot. Mus. Hist.-Nat. Hung. 6: 21; invalid per Index Fungorum)
- Type specimen
- Csévharaszt, Hungary, named as the type locality (Typusort) by Gartz (1986), who analysed samples collected there in 1967; Index Fungorum gives Hungary. (Gartz 1986, Z. Mykol. 52: 359-361 (full text, Zobodat, CC BY-ND))
- Name record
- Species Fungorum name record
The psilocybin record.
Every analysis we could verify, oldest first, including results that found nothing. No amounts are given: they vary between collections and this is not a potency guide.
- 1985
Reported First evidence of psilocybin in Inocybe: psilocybin detected, psilocin not detected, in collections from 1982-1984
- 1985
Reported Psilocybin detected in a collection from Berlin-Wannsee; muscarine not clearly detected
- 1985
Confirmed Psilocybin and baeocystin in Dutch (1980) and Swiss (1984) material; psilocin also found in the fresh Swiss sample; muscarine absent
- 1986
Confirmed Psilocybin and baeocystin in all 92 dried fruiting bodies tested; muscarine absent
- 1987
Confirmed Psilocybin, baeocystin and a then-unknown compound (aeruginascin) in caps and stipes
- 2006
Confirmed Structure of aeruginascin (N,N,N-trimethyl-4-phosphoryloxytryptamine) elucidated; the species is said to contain psilocybin
- 2022
Confirmed Aeruginascin, psilocybin, psilocin and baeocystin quantified in two fruiting bodies of one fungarium collection; the authors note much higher values in Gartz's earlier reports
What the record doesn’t show: Studies disagree on psilocin (absent in 1985 TLC, present in later work) and on amounts, and the only modern analysis used one old fungarium collection.
Records on file.
GBIF, the global biodiversity database, held 132 occurrence records under this name, 1 of them from Canada, when we checked on October 25, 2026. GBIF held one Canadian occurrence record on 25 October 2026. Records include unverified observations and old misidentifications, so counts show where people have recorded the name, not where it grows.
Sources
- Species Fungorum name record
- Index Fungorum record, Inocybe aeruginascens
- Index Fungorum record, invalid 1968 publication
- GBIF species record
- GBIF occurrence counts by country
- Gartz & Drewitz 1985, Z. Mykol. 51: 199-203 (full text, Zobodat, CC BY-ND)
- Besl & Mack 1985, Z. Mykol. 51: 183-184 (full text, Zobodat, CC BY-ND)
- Stijve, Klán & Kuyper 1985, Persoonia 12: 469-473 (full text, archive.org, CC BY)
- Gartz 1986, Z. Mykol. 52: 359-361 (full text, Zobodat, CC BY-ND)
- Gartz 1987, Planta Medica 53: 539-541 (abstract)
- Jensen, Gartz & Laatsch 2006, Planta Medica 72: 665-666 (abstract)
- Gotvaldová et al. 2022, Int. J. Mol. Sci. 23: 14068 (full text, PMC9693126)
- Kosentka et al. 2013, PLoS One 8: e64646, with its Table S1 (full text, PMC3662758)
- Wikidata coordinates: Csévharaszt
Compiled from the sources above; last checked .