Two identification units in Panaeolus are keyed out separately.

• Panaeolus cyanescens is distinctive because of the combination of blue-staining fruit-body and presence of metuloid (thick-walled) cystidia.

• Panaeolus (other) covers the remaining Australian species of the genus.

Panaeolus (Fr.) Quél., Mém. Soc. Émul. Montbéliard, sér. 2, 5 [Champ. Jura Vosges 1]: 151 (1872).

Anellaria, P.Karst., Copelandia Bres.