Agaricus
semilanceatus
var.
coerulescens
Cooke
, nom. inval., nom. nud.
, scientific
Cooke, M.C.
(1885)
,
Ill. Brit. Fung
:
pl. 573
[primary reference]
Saccardo, P.A.
(1887)
,
Sylloge Hymenomycetum, Vol. I. Agaricineae.
Sylloge Fungorum
5
:
1051
[basionym]
basionym of:
Psilocybe
semilanceata
var.
caerulescens
(
Cooke)
Sacc.
legitimate