Al-Habib MN, Holliday JC, Tura D (2014). «The pale brittle stem mushroom, Psathyrella candolleana (higher Basidiomycetes): An indigenous medicinal mushroom new to Iraq». International Journal of Medicinal Mushrooms16 (6): 617-22. PMID25404226. doi:10.1615/intjmedmushrooms.v16.i6.110.
Al-Habib MN, Holliday JC, Tura D (2014). «The pale brittle stem mushroom, Psathyrella candolleana (higher Basidiomycetes): An indigenous medicinal mushroom new to Iraq». International Journal of Medicinal Mushrooms16 (6): 617-22. PMID25404226. doi:10.1615/intjmedmushrooms.v16.i6.110.