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Nomenclature

Lactarius deterrimus Gröger
Westfäl. Pilzbriefe 7: 10. 1968.

Lactarius deliciosus var. deterrimus (Gröger) Hesler & A.H. Sm.
N. Amer. Species Lactarius: 94. 1979.

Taxonomic synonyms:

= Lactarius deliciosus var. piceae Vassilkov, Edible and poisonous fungi of central parts europ. distr. U.S.S.R.: 60. 1948.

= Lactarius deliciosus var. piceus Smotl., Atlas hub jedlých a nejedlýck [Atlas of edible and inedible fungi]: 218-219. 1947.

Original diagnosis

Pileus 4-12 cm latus, in statu iuvenili umbilicatus, postea depressus vel infundibuliformis, levis, humide haud glutinosus, sordide ochraceus, pallide aurantiacus, virescens, anguste zonatus.
Lamellae confertae, intermixtae, adnexae vel subdecurrentes, usque ad 5 mm latae, ochraceae, postea aurantiacae, post laesionem viridibus maculis variegatis.
Stipe cylindraceus, glaber vel vix scrobiculatus, valde cavus, pileo concolor, supra albo-pruinosus.
Caro tenuis maxime in margine, alba vel ochracea-aurantiaca, lentissime (post 20-30 min.) purpurascens, acris.
Lac coloratum ut Daucus carota, exiguum.
Sporae oblongae, 7,5-10/6-7,5 µm, cum humilibus reticulatis verrucis.
Habitat sub piceis parvis numerosissime vigens. Typum legi in monte "Krahnberg" prope Gotham, 12.9.1963, sub piceis, humi calcis concharum.
L. semisanguifluo Heim et Leclair affinis, sed pileo minime carnoso, stipite graciliore, cavo, glabro vel affecto scrobiculis minutis vix notatis, carne colore lentissime purpurascente et ea re, quod sub piceis occurit diversus est.
Typus in "Sachsisches Landesherbar" Dresden, DDR.

Typification

Holotypus: ? (DR)
Europe: Germany: Krahnberg, near Gotha
Picea abies

Description

Photographs

Microscopy

SEM photos