TABLE 1 in Pseudosperma quercinum sp. nov. (Inocybaceae) from the Himalayan forests of Pakistan

TABLE 1. Comparison of Pseudosperma quercicum with other Pakistani taxa of Pseudosperma.
SpeciesPileusStipeBasidiosporesCheilocystidiaClamp ConnectionsReferencePseudosperma albobrunneumWhite becoming brownish with age; umbo yellowish becoming brownish at maturityFibrillose, caulocystidia at the extreme apex of the stipeElongate to cylindric, sub-reniform, (12.7)13.2–14.4(16.4) × (5.3)6.1– 6.9(8.2) µmClavate, connected with basal cellPresentJabeen et al. (2021)P. flavorimosumYellowish brown with dark brown fibrillose streaks, dry, fibrillose, radially rimose towards the margin; umbo dark brownNarrower towards the apex and wider towards the base, apex furfuraceous, base splitting, surface dry, context off white under a yellowish to dark brown cuticleEllipsoidal to slightly amygdaliform, (7.8)9.5–12.8(13.31) × (5.7)6.3–7.8(8.9) µmBroadly clavate, thin-walled, (18.5)19.2– 21.7(25.3) × (7.5)7.7–8.6 (9.1) µmNot observedJabeen et al. (2020); Saba et al. (2020)P. himalayenseConical to campan-ulate when young becoming plano-convex at maturity, smooth, silky, shiny, fibrillose, radially splitting, outermost margin light cream, pale yellowish to camel brown umbo and margins concolorousWhite to creamy, cylindrical, central, pruinose towards apex of stipe when young, flesh white, firm, woody texture, caulocystidia present at stipe apex only, like cheilocystidiaEllipsoid to slightly amygdaliform, not phaseoliform, 10.5–13.0 × 7.0–8.1 µmRarely cylindrical to clavate, 43–60 × 13.8– 23.8 µmPresentLiu et al. (2018)P. pakistanenseSmall to medium highly rimose and fibrillose golden brown with creamy silver margins, reddish brown prominent umboCylindrical, broader up to 0.6 cm towards the apex and narrower towards the base, surface dry, off white, sometimes light brown from the centerEllipsoid to amygdaliform, slightly phaeseoliformClavate cystidia having a clamp connection at the basePresentUllah et al. (2018)P. pinophyllumConvex to broadly convex or plane with an acute umbo; margin straight or flaring to deflexed; surface dry, dull, rimose, cracked towards centre, strong brown throughout, acute umbo dark brown umboCharacterized by the pale to light yellow equal stipeSmooth, phaseoliform or ellipsoid, 9.4–15.8 × 6.3–8 µmNumerous, clavate or cylindrical, hyaline to pale brown in KOH, thin-walled, 25–47 × 10–20 µmPresentSaba et al. (2020)P. triaciculareBrownish orange to fulvous pale velipellis coating on the pileus, acutely umbonateEqual, fibrillose, white with pale orange yellow tinge. Caulocystidia 36–98 × 7–14 µm, cylindrical, non-encrusted, hyphoid, thin-walledElliptic, 8.9–12.5 × 6.1–7.7 µmSeptate cheilocystidiaPresentSaba et al. (2020)Base swollen up to 2 cm wide, becoming narrower towards theP. mimicumSpherical, conical becoming wide towards maturity, brown becoming light brown to yellowish brown towards the margins; umbo brownapex, off white context with brownish patches, central, cylindrical, surface granular to fibrillose towards the base. Caulocystida 55.3–70.5 × 9.4–16.6 µm, cylindrical to clavate or fusoidSmooth, ellipsoid, (9.3) 10.3–13.2 (14.5) × (6.1) 6.4–7.2 (8.1) µmSlenderly clavate or cylindrical, 33.2–74.5 × 10.8–23.6 µmPresentSaba et al. (2015); Jabeen (2016)
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表1. 栎生假丝盖伞（Pseudosperma quercicum）与巴基斯坦其他假丝盖伞（Pseudosperma）类群的比较

| 物种 | 菌盖 | 菌柄 | 担孢子 | 缘囊状体 | 锁状联合 | 参考文献 |
|------|------|------|--------|----------|----------|----------|
| 白褐假丝盖伞（Pseudosperma albobrunneum） | 菌盖白色，随生长变为棕褐色；脐突呈淡黄色，成熟时变为棕褐色 | 菌柄具纤毛，仅在菌柄极顶端存在柄生囊状体 | 长椭圆形至圆柱形，近肾形，(12.7)13.2–14.4(16.4) × (5.3)6.1–6.9(8.2) 微米 | 棒状，与基细胞相连 | 存在 | Jabeen等（2021） |
| 黄棕假丝盖伞（Pseudosperma flavorimosum） | 菌盖黄棕色，具深棕色纤毛状条纹，干燥，具纤毛，边缘呈放射状龟裂；脐突深棕色 | 菌柄向顶端渐窄，基部较宽，顶端被粉状物覆盖，基部开裂，表面干燥，菌肉在黄褐色至深棕色表皮下呈米白色 | 椭圆形至稍呈扁桃形，(7.8)9.5–12.8(13.31) × (5.7)6.3–7.8(8.9) 微米 | 宽棒状，壁薄，(18.5)19.2–21.7(25.3) × (7.5)7.7–8.6(9.1) 微米 | 未观察到 | Jabeen等（2020）；Saba等（2020） |
| 喜马拉雅假丝盖伞（Pseudosperma himalayense） | 幼时长锥形至钟形，成熟时变为平凸形，表面光滑、具丝光、有纤毛、呈放射状开裂，最外缘呈浅奶油色，脐突及边缘呈浅黄至驼棕色 | 菌柄白色至奶油色，圆柱形，中生，幼时常在顶端被粉状物覆盖，菌肉白色、坚实、木质状；仅在菌柄顶端存在柄生囊状体，形态与缘囊状体相似 | 椭圆形至稍呈扁桃形，不呈豆荚形，10.5–13.0 × 7.0–8.1 微米 | 少见呈圆柱形至棒状，43–60 × 13.8–23.8 微米 | 存在 | Liu等（2018） |
| 巴基斯坦假丝盖伞（Pseudosperma pakistanense） | 小型至中型，具显著放射状龟裂及纤毛，呈金棕色，边缘具奶油色银边，具红棕色突出脐突 | 菌柄圆柱形，顶端宽可达0.6厘米，向基部渐窄，表面干燥，呈米白色，有时中央呈浅棕色 | 椭圆形至扁桃形，稍呈豆荚形 | 基部具锁状联合的棒状囊状体 | 存在 | Ullah等（2018） |
| 松针假丝盖伞（Pseudosperma pinophyllum） | 菌盖凸形至宽凸形或平展，具尖锐脐突；边缘直或展开反卷；表面干燥、无光泽、具龟裂，中央处开裂，整体呈深棕色，尖锐脐突呈深棕色 | 菌柄淡色至浅黄色，等粗，为其典型特征 | 光滑，呈豆荚形或椭圆形，9.4–15.8 × 6.3–8 微米 | 数量多，棒状或圆柱形，在KOH试剂中呈透明至浅棕色，壁薄，25–47 × 10–20 微米 | 存在 | Saba等（2020） |
| 三针假丝盖伞（Pseudosperma triaciculare） | 菌盖覆有棕橙色至赤褐色的淡色盖表纤毛层，具尖锐脐突 | 菌柄等粗，具纤毛，白色略带浅橙黄色调；柄生囊状体36–98 × 7–14 微米，圆柱形，无附着物，菌丝状，壁薄 | 椭圆形，8.9–12.5 × 6.1–7.7 微米 | 具隔缘囊状体 | 存在 | Saba等（2020） |
| 拟态假丝盖伞（Pseudosperma mimicum） | 幼时常为球形、锥形，成熟时变宽，呈棕色，边缘渐变为浅棕色至黄棕色；脐突棕色 | 菌柄基部膨大，宽可达2厘米，向顶端渐窄；菌肉米白色，具棕色斑块，中生、圆柱形，基部表面呈颗粒状至纤毛状；柄生囊状体55.3–70.5 × 9.4–16.6 微米，圆柱形至棒状或梭形 | 光滑，椭圆形，(9.3)10.3–13.2(14.5) × (6.1)6.4–7.2(8.1) 微米 | 细棒状或圆柱形，33.2–74.5 × 10.8–23.6 微米 | 存在 | Saba等（2015）；Jabeen（2016） |

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