Ganoderma sichuanense J.D. Zhao & X.Q. Zhang, Acta Mycologica Sinica 2:159. 1983.

Thawthong, Anan, Hapuarachchi, Kalani K., Wen, Ting-Chi, Raspe, Olivier, Thongklang, Naritsada, Kang, Ji-Chuan & Hyde, Kevin D., 2017, Ganodermasichuanense (Ganodermataceae, Polyporales) new to Thailand, MycoKeys 22, pp. 27-43 : 31-32

Ganoderma sichuanense J.D. Zhao & X.Q. Zhang, Acta Mycologica Sinica 2:159. 1983.

Ganoderma lucidum sensu S.C. Teng, Sinensia 5: 198. 1934. Misapplied name.

Ganoderma lingzhi Sheng H. Wu, Y. Cao & Y.C. Dai, in Cao, Wu & Dai, Fungal Diversity 56, 1: 54, 2012. Synonymy.

Description.

Basidiome annual to perennial, with distinctly contracted base to stipitate, corky, becoming hard corky to woody hard when dry. Pileus 4.5-8 cm, up to 0.5 cm thick at the base, dimidiate, subreniform; upper surface when young pale yellow (3A3) to light orange (5A5), becoming brownish orange (7C8) when old, strongly laccate to partly laccate, distinctly concentrically sulcate, distinctly radially rugose. Spore deposit usually pale orange; margin abruptly paler, pale yellow, slightly lobate. Context duplex, not completely homogeneous in color, greyish orange (5B3) corky; generative hyphae (1.1-1.3 µm diam, colorless, thin-walled; binding hyphae (2.1-3.1) µm in diam., branched, with clamp-connections, skeleton hyphae (3.05-3.1) µm in diam. thick walled, sometimes branched, reddish brown in KOH, dextrinoid. Pore surface pale yellow when young, becoming brownish orange (6C4) when old; tubes up to 0.2 cm long in total, pale brown or smoky brown, without context layer between tube layers; pores sub circular. Basidiospores with a dark brown eusporium bearing thick echinulae, overlaid by a hyaline myxosporium, (8.2)8.3-9.8(10.2) × (5.6)5.7-6.8(7.3) µm (with myxosporium), (5.3)6.2-7.5(7.7) × (4.2)4.2-5.3(5.7) µm (without myxosporium), ellipsoid, Qm = 1.37 (n = 20). Lm = 9.09 μm, Wm = 6.27μm, Cutis 4-12 mm thick, pale brown streaks the cutis, a closely-packed palisade, yellowish brown, clavate terminal elements, about 15-30 µm long. Stipe flattened or sub cylindrical to cylindrical, lateral to horizontally lateral or eccentric, (6-9) × (1.5 along stipe) cm, dark brown (8F5).

Material examined.

THAILAND, Chiang Mai Province, Mae On District, (18°52.02'N, 99°18.18'E), eight specimens (MFU 16-2667, MFU 16-2668, MFU 16-2669, MFU 16-2670, MFU 16-2671, MFU 16-2672, MFU 16-2673, MFU 16-2709).

Habitat.

Rotten wood, in dry dipterocarp forest and in upper mixed deciduous forest and growing up from soil.

Distribution.

Tropical and temperate regions of China; Thailand (this study).