Eremiomyces deodarae Q. J. Wang & S. X. Jiang, 2025

Wang, Qing-Ji, Jiang, Shu-Xia, Zhao, Ming-Jun, Zhang, Shang-Shang, Wang, Pan-Meng & Li, Zhuang, 2025, Eremiomyces deodarae (Pezizaceae, Pezizales), a new species forming ectomycorrhizas with Cedrus deodara in Shangdong Province, China, Phytotaxa 691 (1), pp. 83-92 : 87

publication ID	https://doi.org/10.11646/phytotaxa.691.1.7
persistent identifier	https://treatment.plazi.org/id/03F3AA0C-E015-6549-8FE2-FF5864AFFBA6
treatment provided by	Felipe
scientific name	Eremiomyces deodarae Q. J. Wang & S. X. Jiang
status	sp. nov.

Treatment

Eremiomyces deodarae Q. J. Wang & S. X. Jiang , sp. nov. ( Figure. 2 View FIGURE 2 and 3 View FIGURE 3 )

MycoBank number: —852943

Diagnosis: —Ascomata hypogeous 4–6.6 cm in diameter, globose or subglobose. Asci nonamyloid ellipsoid, mostly cylindrical, ascospores globose with blunt spines.

Etymology: — “ deodarae ” refers to the fungi associated with roots of Cedrus deodara .

Type: — CHINA. Shandong Province: Tai’an, Shandong Agricultural University, 94m, 36°9′44.935′′N, 117°9′30.992′′E, 27 september 2021, HMAS 295973 ( H!).

Description: —Ascomata hypogeous, 4–6.6 cm in diameter, globose or subglobose when fresh, with an obvious attachment point to the root of C. deodara , pale brown colour with pink spots and yellowish cracks in fresh, pale brown color in when dried, with some holes caused by the mosquito larva, Peridium 0.25–0.5mm thick, rough, welldefined, concolorous with surface in cross section, prosenchymatous, with an angular structure formed by entangled cylindrical hyphae; composed of parallel arranged hyphae. Odor strong, distinctive. Tissues Melzer's negative.Gleba composed of flesh pockets of fertile tissue marbled by beige veins of hyphae. Asci nonamyloid, thin-walled, mostly clavate, sometimes clavate-cylindrical, sessile or short-stipitate, (100) 120–160 (180) × (10) 12–20 (28) μm, with 7–8 uniseriate spores, randomly arranged in fertile pockets. Ascospores linearly arranged, commonly in groups of spores, globose, thin-walled, [202/8/8] (10) 11–14 (15) ×11–14 (15) μm without ornamentation, [Q = 1–1.09 (1.32), Q m =1.02 ± 0.04], ovoidellipsoid, nearly colorless in KOH and yellowish brown in Melzer’s reagent, ornamented with conical, blunt spines, 1–2 μm long ( Fig. 3 View FIGURE 3 ).

Habitat: —In acidic soils, growing solitary or in groups associated with C. deodara in Autumn.

Distribution: —Currently known only in Shandong Province, China, Asia.

Additional specimen examined ( paratype): — CHINA. Shandong Province: Tai’an, Artificial cedar forest of campus of Shandong Agricultural University, Cedar Forest of campus of Shandong Agricultural University, on ground of cedar trees, 27 september 2021, Q. J. Wang & S. X. Jiang (MHSDAU2110).