taxonID	type	description	language	source
EB51B5414A77514EBDB1F272A0E33027.taxon	description	Fig. 3	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
EB51B5414A77514EBDB1F272A0E33027.taxon	etymology	Etymology. Epithet derived from the name of the host genus, Clematis.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
EB51B5414A77514EBDB1F272A0E33027.taxon	diagnosis	Diagnosis. Morphologically resembling E. aquilegiae var. ranunculi, but distinguished by chasmothecial appendages that are colorless or only pigmented at the base, only with 0 – 2 septa. Differs from var. aquilegiae in having much shorter appendages, 0.7 – 3.5 times as long as the chasmothecial diam., mycelioid, geniculate-sinuous, and colorless or only pigmented at the base. Furthermore, forming a highly supported species clade in all phylogenetic analyses, in sister position to the E. aquilegiae cluster.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
EB51B5414A77514EBDB1F272A0E33027.taxon	description	Description. Mycelium on leaves and stems, amphigenous, effuse or in patches, on stems colonies usually thick, ± persistent. Sexual morph: Chasmothecia mostly scattered, dark brown, mainly on leaf abaxial surface of leaves and stems, more abundant on the upper side of the leaf blade, (66 –) 74 – 122 (– 129) µm; peridium cells irregularly polygonal, 5 – 13 µm; appendages unequal in number, mycelioid, continuously curved, with small irregular branchlets, some bifurcate branches present, 0 – 2 - septate, hyaline, sometimes yellowish brown near the base, or light brown, paler or colorless towards the apex, uneven in thickness, length about 0.7 – 8.6 times as long as the chasmothecial diam., sometimes up to 338 μm; asci 4 – 10, (32 –) 46 – 73 × 27 – 50 µm, ellipsoid-obovoid, short-stalked to sessile; ascospores (1 –) 2 – 4, 16 – 28 × 13 – 19 µm, subglobose, ovoid, irregularly ovoid, ellipsoid, reniform, colorless.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
EB51B5414A77514EBDB1F272A0E33027.taxon	distribution	Distribution. Asia (China).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
F8B6FE8C2ED7508CABD82A6C851ED4D7.taxon	description	Fig. 5	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
F8B6FE8C2ED7508CABD82A6C851ED4D7.taxon	etymology	Etymology. Epithet derived from the name of the host genus, Limonium, + cola (dweller).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
F8B6FE8C2ED7508CABD82A6C851ED4D7.taxon	diagnosis	Diagnosis. Differs from Erysiphe aurea and E. limonii on hosts of the genus Limonium in the size of the chasmothecia, 69 – 112 μm diam., the number of asci, (3 –) 4 – 9, and the number of septa in the appendages, 0 – 2 (– 4), variably shaped ascospores, and by forming a strongly supported species clade in phylogenetic analyses.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
F8B6FE8C2ED7508CABD82A6C851ED4D7.taxon	description	Description. Mycelium amphigenous, forming dense, thin to thick, persistent patches or complete covers; hyphae 3 – 6 μm wide, septate, straight or curved, smooth; hyphal appressoria solitary or occasionally in opposite pairs, nipple-shaped or lobed. Asexual morph: Conidiophores arising from superficial hyphal mother cells, erect, straight or curved, 48 – 103 × (5 –) 6 – 8 μm (without conidia), foot cells subcylindrical, some distinctly curved at the base, the whole foot cell sometimes wavy-curved, 20 – 42 × 5 – 7 μm, the basal septum is mostly elevated, up to 10 µm, followed by 1 – 3 shorter cells of about the same length or shorter; conidia single, narrowly cylindrical, 21 – 39 × 10 – 17 μm; germ tubes near the shoulder, with septa, short to medium in length, showing longitubus pattern, conidial appressoria unlobed but enlarged or curved near the top. Sexual morph: Chasmothecia gregarious, 69 – 112 μm diam.; peridium cells irregularly polygonal, 4 – 15 μm diam.; appendages few to many, up to 28, often interwoven with the mycelium, unbranched, mycelium-like, irregularly curved or bent, the appendages are about as long as the chasmothecial diam. or shorter, width uneven, tapering at the tip, which is often obtuse-acuminate, 4 – 8 µm wide, 0 – 2 (– 4) - septate, walls thin, smooth to rough, colorless; asci (3 –) 4 – 9, ellipsoid, ovoid, broadly ovoid, distinctly long-stalked or subsessile, about 47 – 88 × 30 – 49 μm; ascospores 3 – 5, broadly ellipsoid-ovoid, oblong-ovoid, sole-shaped, 17 – 30 × 8 – 21 μm.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
F8B6FE8C2ED7508CABD82A6C851ED4D7.taxon	distribution	Distribution. Asia (China and Japan).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
71EB6B321A085B1C945074814BB9F431.taxon	description	Fig. 7	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
71EB6B321A085B1C945074814BB9F431.taxon	description	Description. Mycelium on leaves and stems, effuse or in irregular powdery layers, white, persistent; hyphae 3 – 8 μm wide; hyphal appressoria nipple-shaped to lobed. Asexual morph: Conidiophores erect, sometimes slightly flexuous, 62 – 116 (– 133) × 5 – 9 μm (without conidia), foot cells cylindrical, straight, 33 – 69 × 5 – 9 μm, followed by 1 – 2 cells, significantly shorter or longer than the foot cells, sometimes about as long as foot cells; conidia single, cylindrical, ellipsoid-cylindrical, 25 – 42 (– 46) × 12 – 18 μm, length / width ratio 1.6 – 4.0, colorless; the germ tube subterminal, medium length, club-shaped, apex simple or somewhat bent and swollen.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
71EB6B321A085B1C945074814BB9F431.taxon	distribution	Distribution. Asia (China, Iran and Israel), Europe (Ukraine).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
73D015CE59525B599355793E352C24E3.taxon	description	Fig. 6	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
73D015CE59525B599355793E352C24E3.taxon	etymology	Etymology. Epithet derived from the name of the host species, Paeonia × suffruticosa.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
73D015CE59525B599355793E352C24E3.taxon	diagnosis	Diagnosis. Differs from E. paeoniae in having significantly smaller chasmothecia, 78 – 98 (– 118) µm diam. vs. (70 –) 90 – 125 (– 135) µm diam., with longer appendages, 0.5 – 3.3 times as long as the chasmothecial diam. vs. 0.25 – 1 (– 2) times, and significantly different asci and ascospores, and by forming a well-supported species clade in phylogenetic ITS + 28 S + IGS as well as ITS + 28 S + IGS + RPB 2 + TUB analyses in sister position to E. paeoniae on Paeonia lactiflora.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
73D015CE59525B599355793E352C24E3.taxon	description	Description. Mycelium on stems, fruits, perianths and leaves, amphigenous, effuse, often covering the entire surface of the leaves, forming mycelial layers of uneven thickness or patches, persistent; hyphae straighten or flexuous, 4 – 7 µm wide; hyphal appressoria nipple-shaped to moderately lobed, solitary or in opposite pairs, often several per hyphal cell. Asexual morph: Conidiophores on top of mother cell, (22 –) 29 – 69 × 8 – 12 µm long, foot cells cylindrical, (11 –) 15 – 28 (– 36) × 8 – 10 µm (without condia), often curved at the base, few erect, followed by 0 – 2 mostly shorter cells; conidia single, cylindrical, long-cylindrical, doliiform, 25 – 48 × 12 – 19 µm, length / width ratio 1.4 – 3.8; germ tubes terminal, septate, partly forming curved aerial germ tubes, tips irregularly forked, partly long-clavate, or medium-long, swollen to club-shaped or lobed. Sexual morph: Chasmothecia scattered, produced first on the abaxial surface of the leaf and more numerous than on the adaxial surface, black-brown, hemispherical, 78 – 98 (– 118) µm diam.; peridium cells irregularly polygonal, 6 – 15 µm diam.; appendages 15 – 28, mycelioid, 1 – 2 times bifurcately branched, rarely unbranched, also forming small irregular branches or small protuberances, often 1 – 2 times irregularly branched apically, some small branches tending to be parallel, 0.5 – 3.3 times as long as the chasmothecial diam., 56 – 218 (– 257) µm, 0 – 1 - septate, smooth or rough, dark brown or light brown throughout, or only basally brown and upward becoming colorless; asci dimorphic, micro- and macro-asci mixed together in the same ascoma mostly, 3 – 6 in total, viz., micro-asci, ovoid, saccate, irregularly ovoid, subglobose or elongate, (14 –) 20 – 49 × (11 –) 18 – 30 µm, long-stalked, short-stalked to sessile, containing 0 – 1 spore, ovoid, 10 – 16 × 9 – 13 µm; macro-asci, ovoid, ellipsoid-ovoid, subglobose, saccate, 34 – 65 (– 69) × 19 – 45 (– 51) µm, long-stalked, short-stalked to sessile, containing 1 – 5 - spores, ascospores ovoid, ellipsoid-ovoid, 18 – 27 × 11 – 19 µm, colorless.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
73D015CE59525B599355793E352C24E3.taxon	distribution	Distribution. Asia (China and South Korea).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
BBD8D633AF0F5C88833B38ED8043168F.taxon	description	Fig. 8	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
BBD8D633AF0F5C88833B38ED8043168F.taxon	description	Description. Mycelium epiphyllous, thin, in grayish white patches or effuse, later covering entire leaves, persistent; hyphae 3 – 4 μm wide; hyphal appressoria almost nipple-shaped, slightly lobed, usually in opposite pairs. Asexual morph: Conidiophores arising from the upper surface of the mother cells, erect, occasionally slightly curved in the center, about 64 – 108 × 4 – 7 μm long, foot-cells cylindrical, straight, occasionally slightly flexuous-sinuous, 29 – 53 (– 78) × 4 – 7 μm, followed by 1 – 2 usually shorter cells, significantly shorter than foot cells; conidia single, narrowly cylindrical, 21 – 36 (– 49) × 6 – 13 μm, length / width ratio 1.9 – 4.3, germ tubes subterminal, short, with swollen tips or lobed appressoria.	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
BBD8D633AF0F5C88833B38ED8043168F.taxon	distribution	Distribution. Asia (China and Iran), Caucasus (Azerbaijan) and Europe (Montenegro).	en	Zhang, Zhao-Yang, Wu, Xue-Lian, Lv, Xiao-Xue, Liu, Tie-Zhi, Jin, Dan-Ni, Liu, Li, Wang, Shuang-Bao, Feng, Jing, Hsiang, Tom, Li, Yu, Liu, Shu-Yan (2025): Discover hidden taxa of Erysiphe section Erysiphe fungi (Ascomycota, Erysiphaceae) based on morphology and multilocus phylogeny in China. MycoKeys 118: 119-146, DOI: 10.3897/mycokeys.118.154217
