Psilocybe hoogshagenii
Common name: Derrumbe
Field Identification
| Cap | 2-5cm; convex to broadly umbonate; cinnamon to rust-brown; hygrophanous; strong umbo |
| Gills | Adnate to sinuate; pale cream becoming dark purple-brown; close to crowded |
| Stem | 4-10cm; whitish to pale; often with distinct annular zone; bruises blue |
| Spore Print | Dark purple-brown; ellipsoid, 10-13 x 6-8 um |
| Habitat | Coffee plantations, disturbed soils, stream banks in subtropical and tropical highlands |
| Distribution | Mexico (Oaxaca, Veracruz, Chiapas), Guatemala, Colombia |
| Season | Rainy season; year-round in suitable tropical habitats |
Key Identification Feature
Hillside and stream bank habitat in Mexican highlands. Strong umbo (bump) on cap. Annular zone on stem. Associated with Mazatec ceremonial traditions. Known as 'derrumbe' (landslide mushroom).
⚠ Dangerous Lookalikes
Psilocybe cubensis (larger, dung habitat, same region); Psilocybe caerulescens (similar region, different habitat preference)
Notes
A traditionally important species among Mazatec and Zapotec peoples of Oaxaca. R. Gordon Wasson documented its ceremonial use in the 1950s alongside P. mexicana and P. cubensis. Named after ethnobotanist Searle Hoogshagen.
Legal Status Warning
Psilocybin-containing mushrooms are controlled substances in most jurisdictions. This guide is for educational purposes only. Wild foraging for psilocybin mushrooms may be illegal in your location. Never consume wild mushrooms without positive identification from an expert mycologist — misidentification can be fatal.
All Wild Species
- Psilocybe semilanceata (Liberty Cap)
- Psilocybe azurescens (Flying Saucers, Azzies)
- Psilocybe cyanescens (Wavy Caps, Blue Halos)
- Psilocybe mexicana (Teonanácatl (historical Mazatec name))
- Panaeolus cyanescens (Blue Meanies, Pan Cyan)
- Psilocybe tampanensis (Magic Truffles, Philosopher's Stones)
- Psilocybe subaeruginosa (Subs (Australia/NZ))
- Psilocybe stuntzii (Stuntz's Blue Legs, Blue Ringers)
- Psilocybe bohemica (Bohemian Psilocybe)
- Psilocybe pelliculosa (Conifer Psilocybe)
- Psilocybe weilii (Weil's Psilocybe)
- Psilocybe hoogshagenii (Derrumbe)
- Gymnopilus spectabilis (Big Laughing Gym, Spectacular Rustgill)
- Psilocybe strictipes (Rigid-Stemmed Psilocybe)
- Psilocybe cyanofibrillosa (Blue-Haired Psilocybe, Rhododendron Psilocybe)
- Psilocybe samuiensis (Ko Samui Psilocybe)
- Psilocybe aucklandii (Auckland Psilocybe)
- Psilocybe galindoi (ATLantis truffle, Philosopher's Stone (cultivated form))
- Psilocybe natalensis (Natal Super Strength)
- Psilocybe liniformans (European liberty cap lookalike)
- Psilocybe fimetaria (Dung loving psilocybe)
- Psilocybe makarorae (New Zealand native psilocybe)
- Psilocybe caerulipes (Blue-foot psilocybe)
- Psilocybe ovoideocystidiata (Ovoid cystidiate psilocybe)
- Psilocybe zapotecorum (Zapotec sacred mushroom)
- Psilocybe serbica (Bohemian psilocybe (var. serbica))
- Gymnopilus purpuratus (Purple Gymnopilus)


