TABLE 2 in A new false truffle species, Gautieria zixishanensis sp. nov. (Gomphales, Basidiomycota) found in Yunnan, China

TABLE 2. Distribution, habitats and pseudoperidium structure of 12 Gautieria species known in China. SpeciesHerbarium voucherPseudoperidia structureSymbiotic tree partnerCollection location/altitudeCollecting dateG. chengdensisHMAS 44096- HPseudoperidia absent.Corylus heterophyllaHebei, Chengde county31 August 1981MHSU 2243Castanea mollissimaHubei, Shennongjia7 October 1995G. gautierioidesMHSU 1479Pseudoperidium whitish, thin, composed of interwoven hyphae with 4 to 6 μm diam., with inflated cells.Quercus sp.Shanxi, Yuanqu County24 July 1987G. globisporaMHSU 2109- HPseudoperidia absent.Picea wilsoniiShanxi, Guancenshan18 July 1993G. hubeiensisMHSU 2258- HPseudoperidia absent.Castanea mollissimaHubei, Shennongjia7 October 1995G. macrospraMHSU 2262Pseudoperidium white when fresh, turningQuercus liaotungensisShanxi16 July 1987MHSU 2261 MHSU 2265yellowish-brown upon drying, and disappears upon maturity.Lonicera japonica Quercus variabilis, Ulmus sp.Shanxi Shanxi7 September 1987 29 May 1988MHSU 2264Sabina chinensisShanxi29 May 1988G. mianjinHKAS 126926- HPseudoperidium practically absent..Mixed forest of Larix and PiceaGansu, Gannan city (2600m)11 October 2022(a)HTBM 1288DittoDitto23 August 2023(b)G. morchelliformisMHSU 1480Pseudoperidia no observed.Quercus mongolicaJilin, Dunhua city15 September 1987G. pallida *R.P.Farges (FH1) 1566)Pseudoperidia two layers: an outer layer approximately 160 μm thick and an inner layer about 40 μm thick. The outer layer is composed of loosely interwoven hyphal bundles formed by moderately thin-walled hyphae, with large intercellular spaces. The inner layer is formed by tightly packed hyphal bundles composed of thick-walled hyphae and is brown in color.-Sichuan, Chengkou county-G. shennongjiaensisMHSU 2259- HPseudoperidia thin, composed of hyaline to pale yellow interwoven hyphae of 2.5–10 μm diameter, thin-walled.Castanea mollissimaHubei, Shennongjia7 October 1995MHSU 2232Quercus aquifolioidesXizang, Sejilashan (3000m)24 August 1995MHSU 2235Pinus densataXizang, Sejilashan (3050m)10 September 1995MHSU 2236Quercus aquifolioides, Pinus densataXizang, Bomi county (2700m)14 September 1995MHSU 2238Pinus yunnanensisXizang, Xiachayu town (2200m)16 September 1995G. sinensisHMAS 61236- HPseudoperidia thick, 184–366 μm, composed of hyaline and gelatinized interwoven hyphae of 7.5–9 μm diameter, with granular inclusions.Broadleaf forestGuizhou, Daozhen county19 July 1988G. xinjiangensisHMJAU 6009Pseudoperidia practically absent, or barely visible.Picea schrenkianaXinjiang, Tianshan5 September 2005(c)G. zixishanensisL23106- HPseudoperidium, 110–230 µm thick, two layers: outer layer trichotomentocutis, composed of light reddish brown interwoven hyphae of 5–10 μm diameter, thin-walled, septate. Inner layer consists of hyaline nearly parallel interwoven hyphae of 0.5–1.5 μm diameter, dense.Pinus,Yunnan, Chuxiong City (2050m)2 November 2023Quercus(d)L23107DittoDittoDitto(d) ...continued on the next page H = holotype. * = the habitat information for the species is not mentioned in the literature. References: (a) Yang et al. 2023; (b) Yang 2024; (c) Bau & Liu 2013; (d) this study; unannotated sequences are from Liu 1998.