December, 2004. North American species of Hygrophorus by L.R. Hesler and AlexanderH. Smith, 1963. (Full text of monograph – includes species now treated as Hygrocybe
Mason Johnson Parker-Smith(英语:Johnson Parker-Smith) Hubert Ramsay(英语:Hubert Ramsay) Charles Scott(英语:Charles Scott (lacrosse)) H. Shorrocks Norman Whitley(英语:Norman