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Nomenclature

Lactarius ferrugineifolius Stubbe & Verbeken
Fungal Diversity 32: 133. 2008.

Original diagnosis

Lactarius ferrugineifolius Stubbe & Verbeken sp. nov. (Figs 14-20; Figs 87-89)
MycoBank: 512244

Etymology: from ferrugineus, meaning rusty, and folium, referring to the lamellae and their orange-brown colour.
Pileus 70–75 mm diam., planoconvexus ad applanatum, velutinus, ferrugineo-aurantiacus ad aurantiobrunneum. Stipes 30–35 mm longus, 15 mm crassus, cylindratus ad compressum, velutinus, albido-aurantiacus ad griseo-aurantiacum. Lamellae anguste adnatae, moderate distantes, latae, crassae, ferrugineo-aurantiacae ad brunneo-aurantiacas. Contextus ex aurantio albidus, gustu mitis. Latex albus, immutabilis. Sporae 6.5–7.1–7.7 × 5.9–6.4–6.9 µm, Q = 1.07–1.11–1.17, subglobosae, reticulatae, cristis ornatae usque ad 1.5 (2) µm altis; macula suprahilaris distale amyloidea. Macrocystidia absentia. Cheiloleptocystidia 30–50 × 3–5 µm, subcylindrata, subfusiformia. Pileipellis bistrata, 90–110 µm crassa, pigmento brunneo, elementa suprapellis 20–50 × 3–5 µm.
Typus: "Malaysia, state of Negeri Sembilan, Pasoh Forest Reserve, at beginning of Nature Trail (near the Visitor's Centre), N02°58.07´ E102°17.81´, 120 m alt., near several large Shorea sp., 21 September 2006, Stubbe 06-261 (GENT)."

Typification

Holotypus: Stubbe 06-261 (GENT)
Asia: Malaysia: Negeri Sembilan, Pasoh Forest Reserve, at beginning of Nature Trail
Near several large Shorea sp., 120 m alt.

Description

Photographs

Microscopy

SEM photos