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Nomenclature

Lactarius uvidus (Fr.: Fr.) Fr.
Epicr. syst. mycol.: 338. 1838.

Agaricus uvidus Fr.
Observ. mycol. 2: 191. 1815.

Galorrheus uvidus (Fr.: Fr.) Fr.
Stirp. agri femsion. (III): 57. 1825.

Lactifluus uvidus (Fr.: Fr.) Kuntze
Revis. gen. pl. 2: 857. 1891.

Taxonomic synonyms:

= Lactarius azonus Britzelm., Ber. Naturwiss. Vereins Schwaben Neuburg 30: 16. 1890.

= Lactarius livescens Pass., Nuovo Giorn. Bot. Ital. 4: 105. 1872.

= Lactarius uvidus var. candidulus Neuhoff, Milchlinge: 159. 1956.

= Lactarius uvidus var. pallidus Bres., Fl. Ital. Cryptogam. Hymeniales: 386. 1915.  — Lactarius uvidus f. pallidus (Bres.) Kavina, Mycotaxon 6: 120. 1929.

= Agaricus lividorubescens Batsch, Elench. fung., cont. secunda: 51. 1789.  — Agaricus acris var. lividorubescens (Batsch) Alb. & Schwein., Consp. fung. lusat.: 210. 1805.  — Lactarius lividorubescens (Batsch) Burl., Mem. Torrey Bot. Club 14: 49. 1908.

Original diagnosis

pileo viscoso azono incarnato-livido l. fuscescente, lamellis albidis ex-albo-lilacino-lactescentibus, stipite pallido.
A. niveo-griseus, viscidus &c. Gled. meth. fung. p. 103 d. (huius certe forma).
Habitat in graminosis nemorosis humidis, circa Femsjö vulgaris. Aug. Oct. Distincta, procul. dubio, species.
Descr. Stipes cavus, 1-2 unc. longus, 3-6 lin. crassus, cilindricus laevis glaber, basi pubescens, fragilis pallidus. Pileus carnosus, plus minusve depressus l. infundibuliformis, etiam planus, 1½-3 unc. latus, laevis glaber azonus, semper viscosus; margine inflexo dein patente. Color varius; pallidus, albido-incarnatus, griseus, saepius lividus, disco flavente, interdum subfuscus, ut in icone Batschii. Caro alba decolorans. Lamellae albae totae adnatae l. leviter decurrentes confertae. Lac album, dein cum lamellis carneque fractis obscure lilacinum.
In A. acri pileus semper siccus fuliginosus, lac demum crocatum, lamellae ochraceae &c.

Typification

Holotypus: - (-)
Europe: Sweden: Femsjö

Description

Photographs

Microscopy

SEM photos