Checklist of the British & Irish Basidiomycota

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Postia tephroleuca (Fr.) Jülich, Persoonia 11(4): 424 (1982)

Polyporus lacteus Fr., Syst. mycol. (Lundae) 1: 359 (1821)
Polyporus tephroleucus Fr., Syst. mycol. (Lundae) 1: 360 (1821)
Postia lactea (Fr.) P. Karst., Revue mycol. Toulouse 3(no. 9): 17 (1881)
Leptoporus lacteus (Fr.) Quél., in Duss, Enum. Champ. Guadeloupe (Lons-le-Saunier): 26 (1903)
Tyromyces lacteus (Fr.) Murrill, N. Amer. Fl. Ser. 2 (New York) 9(1): 36 (1907)
Tyromyces tephroleucus (Fr.) Donk, Meddn Bot. Mus. Herb. Rijhs Universit. Utrecht. 9: 151 (1933)
Oligoporus tephroleucus (Fr.) Gilb. & Ryvarden, Mycotaxon 22(2): 365 (1985)

Habitat: On decayed wood of deciduous trees, usually large fallen trunks in old woodland. Most frequent on Fagus but also known on Alnus, Crataegus, Corylus, Fraxinus, Malus, Quercus, Populus, Sorbus, Tilia and Ulmus spp. Rarely reported on conifers such as Picea, Pinus and Taxus spp. A single collection (in herb. K) on Cytisus scoparius.

Notes: Common in England. Occasional elsewhere but widespread. Perhaps better known as Tyromyces lacteus.

Distribution: E: c, S: o, W: o, NI: !, ROI: !, Other: Channel Islands: !; Isle of Man: !

Vouchers: England: K(M) 67172; Scotland: K(M) 76369; Wales: K(M) 76026; Other: Channel Islands: K(M) 91310

Descriptions, Lists & Icons:
D+I:, in Breitenbach, J., Kränzlin, F., Fungi of Switzerland Non gilled fungi, Heterobasidiomycetes, Aphyllophorales, Gasteromycetes 2: 412 pp. (1986), p. 274, pl. 338
D:, in Hansen, I. & Knudsen, H., Nordic Macromycetes Heterobasidioid, Aphyllophoroid and Gasteromycetoid Basidiomycetes, (Ed.: Lise Hansen & Henning Knudsen) 3: 444 pp. (1997), p. 237
D:, in Ryvarden, L & Gilbertson, R.L., European Polypores: Meripilus - Tyromyces, (Ed.: Ryvarden L. & Gilbertson R.L) 2: 388-743 (1994), as Oligoporus tephroleucus, p. 435

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