Checklist of the British & Irish Basidiomycota

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Pseudoboletus parasiticus (Bull.) Šutara, Česká Mykol. 45(1-2): 2 (1991)

Boletus parasiticus Bull., Herb. Fr. (Paris) 10: tab. 451, fig. 1 (1790)
Xerocomus parasiticus (Bull.) Quél., Fl. Mycol. France (Paris): 418 (1888)

Habitat: On old basidiomes of Scleroderma citrinum.

Notes: Occasional but widespread, possibly most frequent in southern and south-eastern England. Apparently not parasitic on Scleroderma but mutualistic, with interwoven mycelia and an exchange of nutrients fide R. Watling (pers. comm.).

Distribution: E: o, S: o, W: o, NI: !, ROI: !, Other: Channel Islands: !

Vouchers: England: K(M) 67026; Scotland: K(M) 58579; Wales: K(M) 90720

Descriptions, Lists & Icons:
D+I:, in Phillips, R., Mushrooms and other fungi of Great Britain & Europe: 288 pp. (1981), as Boletus parasiticus, p. 204-205
D+I:, in Breitenbach, J., Kränzlin, F., Fungi of Switzerland Boletes and agarics (1st part) 3: 361 pp. (1991), as Xerocomus parasiticus, p. 88, pl. 58
D:, in Hansen, I. & Knudsen, H., Nordic Macromycetes Polyporales, Boletales, Agaricales, Russulales. 2: 474 pp. (1992), as Boletus parasiticus, p. 60
I:, in Bon, M., The Mushrooms and Toadstools of Britain and North-western Europe: 352 pp. (1987), as Xerocomus parasiticus, p. 43
I:, in Courtecuisse. R. & Duhem. B., Mushrooms and Toadstools of Britain & Europe: 480 pp. (1995), as Xerocomus parasiticus, p. 427
I:, in Krieglsteiner, G.J., Die Grosspilze Baden-Würtenbergs - Band 2 2: 620 pp. (2000), as Xerocomus parasiticus, p. 318

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