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The silk tree (Albizia lebbeck (L.) Benth) is one of the ornamental plants in Ahvaz (southwest of Iran). Two endophytic fungal strains, isolated from the leaves of this plant, were characterized. Molecular phylogenetic analyses based on a combined matrix of the internal transcribed spacer regions 1 and 2 including the intervening 5.8S nuclear ribosomal DNA (ITS), and partial regions of the β-tubulin (tub2) and RNA polymerase II second largest subunit (rpb2) indicated that both strains represent a new Chaetomium species, C. albiziae sp. nov. in the family Chaetomiaceae. Chaetomium albiziae formed a sister lineage with sterile species C. cucumericola. This new species can be characterized by ostiolate perithecia with septate lateral and terminal setae, clavate asci and aseptate ellipsoidal to ovoid ascospores with an apical germ pore. In addition, this is the first report of the endophytic association of the genus Chaetomium with Albizia lebbeck worldwide.

Chaetomium albiziae M. Mehrabi-Koushki & A. Safi, sp. nov. (Fig. 1) MycoBank: MB 841114 Holotype: IRAN, Khuzestan Province, Ahvaz, isolated from a living leaf of Albizia lebbeck (Fabaceae), Oct. 2018, A. Safi (holotype, IRAN 18081F; ex-type cultures, IRAN 4137C = SCUA-Saf-B10). Etymology. Species epithet refers to the host genus Albizia from which the holotype was isolated. Sexual morph: Hyphae hyaline to pale brown, septate, branched. Ascomata perithecioid, superficial, brown to dark brown in reflected light, globose to subglobose, (79–)118–170(–184) × (71–)100–145(–158) μm, 95 % confidence limits = 134–148.5 × 112.2–124.8 μm, (± SD = 141.3 ± 25.5 × 118.5 ± 22.1 μm, n = 50). Ascomatal wall brown, textura angularis in surface view. Terminal hairs seta-like, septate, unbranched, smooth, brown, tapering towards the tips, 2.5–3.8 μm diam near the base. Lateral hairs similar but more flexuous, narrower and shorter. Asci fasciculate, clavate, spore bearing part (20–)22.5–35(–38.75) × 7.5–16.5 μm, stalks 11.25–22.5 μm long, with 8 irregularly-arranged ascospores, evanescent. Ascospores brown to olivaceous brown, ellipsoidal to ovoid, aseptate, biapiculate, bilaterally flattened, with an apical germ pore, (7.5–)10–11.25(–12.5) × 7.5–10 μm, 95 % confidence limits = 10.4–10.9 × 8.1–8.6 μm, (± SD = 10.7 ± 0.8 × 8.3 ± 0.7 μm, n = 50). Asexual morph: not observed. Culture characteristics—Colonies on OA reaching 60–66 mm after 4 d of incubation at 28 ± 0.5 °C, circular with regular margin, initially white, with age becoming creamy white or slightly pinkish, highly floccose; reverse pinkish white. Colonies on PDA reaching 40–45 mm d after 4 d of incubation at 28 ± 0.5 °C, circular with regular margin, initially pale buff with creamy margin, with age becoming buff with paler margin and sectors, floccose; reverse buff with paler sectors. Additional materials examined. IRAN, Khuzestan Province; Karoon, isolated from a living leaf of A. lebbeck, Sep 2020, A. Safi (SCUA-Saf-B10-2). Notes: In the phylogenetic tree, C. albiziae is closely related to C. cucumericola, but can be distinguished by single nucleotide polymorphism (SNP) analysis of three ITS, tub2 and rpb2 loci (Fig. 2). This new species and the extype strain of C. cucumericola (CBS 378.71) showed 1 bp difference (0.2 %) across 496 nucleotides of the ITS region, 6 bp difference (1.1 %) across 547 nucleotides of the tub2 region, and 5 bp difference (1 %) across 481 nucleotides of the rpb2 region. Chaetomium cucumericola was established by Wang et al. (2016) to accommodate two sterile strains of the genus Chaetomium (CBS 378.71 and CBS 126777), which formed a well-supported clade within phylogenetic group III, including the related species C. olivaceum Cooke & Ellis, C. subglobosum Sergeeva, and C. undulatulum Asgari & Zare. C. albiziae can be distinguished from these three species by smaller ascomata (C. olivaceum: 260–440 × 200–360 μm, C. subglobosum: 300–450 × 265–355 μm, C. undulatulum: 230–280 × 185–250 μm) (Asgari & Zare 2011, Wang et al. 2016b)., Published as part of Mehrabi-Koushki, Mehdi & Safi, Atena, 2023, Chaetomium albiziae, a new endophytic species from Albizia lebbeck in Iran, pp. 137-146 in Phytotaxa 591 (2) on pages 140-142, DOI: 10.11646/phytotaxa.591.2.5, http://zenodo.org/record/7797484, {"references":["Asgari, B. & Zare, R. (2011) The genus Chaetomium in Iran, a phylogenetic study including six new species. Mycologia 103: 863 - 882. https: // doi. org / 10.3852 / 10 - 349","Wang, X. W., Lombard, L., Groenewald, J. Z., Li, J., Videira, S. I. R., Samson, R. A., Liu, X. Z. & Crous, P. W. (2016 b) Phylogenetic reassessment of the Chaetomium globosum species complex. Persoonia 36: 83 - 133. https: // doi. org / 10.3767 / 003158516 X 689657"]}

Microsphaeropsis minima (W.J.Li & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward., comb. nov. Neomicrosphaeropsis minima W.J.Li & K.D.Hyde, Fungal Diversity 80: 39 (Hyde et al. 2016). MYCOBANK. — MB 841490. DESCRIPTION See Hyde et al. (2016). NOTES Hyde et al. (2016) introduced Neomicrosphaeropsis minima as a saprobic fungus isolated from dead stems of Verbascum sp. (Scrophulariaceae) in Italy. In our analyses (Fig. 1), this species is related to Microsphaeropsis and transferred to this genus. SNP analysis of M. minima (W.J.Li & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward., comb. nov. with Neomicrosphaeropsis species showed a difference of 0.6% (3/521 bp) in the LSU region and 3% (13/431 bp) in the ITS., Published as part of Artand, Saeid, Mehrabi-Koushki, Mehdi, Tabein, Saeid, Hyde, Kevin D. & Jayawardena, Ruvishika S., 2022, Revision of the Microsphaeropsis complex with addition of four new Paramicrosphaeropsis L. W. Hou, L. Cai & Crous species from Zagrosian forest trees in Iran, pp. 159-175 in Cryptogamie, Mycologie 20 (7) on pages 165-166, DOI: 10.5252/cryptogamie-mycologie2022v43a7, http://zenodo.org/record/7815336, {"references":["HYDE K. D., HONGSANAN S., JEEWON R., BHAT D. J., MCKEN- ZIE E. H. C., JONES E. B. G., PHOOKAMSAK R., ARIYAWANSA H. A., BOONMEE S., ZHAO Q., RICHTER C., THONGBAI B., STADLER M. & ZHU L. 2016. - Fungal diversity notes 367 - 490: taxonomic and phylogenetic contributions to fungal taxa. Fungal Diversity 80: 1 - 270."]}

Microsphaeropsis cytisi (W.J.Li & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward., comb. nov. Neomicrosphaeropsis cytisi W.J.Li & K.D.Hyde, Fungal Diversity 80: 38 (Hyde et al. 2016). MYCOBANK. — MB 841487. DESCRIPTION See Hyde et al. (2016). NOTES Hyde et al. (2016) introduced Neomicrosphaeropsis cytisi for a saprobic fungus isolated from dead stem of Cytisus sp. (Fabaceae) in Italy. The analyses of combined LSU, ITS, tub 2 and rpb 2 sequence data for the Microsphaeropsis complex revealed that the type strain of Neomicrosphaeropsis cytisi (MFLUCC 13-0396) clustered within Microsphaeropsis lineage (Fig. 1). Therefore, we transfer Neomicrosphaeropsis cytisi to Microsphaeropsis. Nucleotide comparison of Microsphaeropsis cytisi (W.J.Li & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward., comb. nov. with Neomicrosphaeropsis species showed a difference of 0.6% (3/521 bp) in the LSU region, 3% (13/431 bp) in the ITS and 10.5% (46/438 bp) in the rpb 2.

Paramicrosphaeropsis zagrosensis M.Mehrabi-Koushki, S.Artand, K.D.Hyde & Jayaward., sp. nov. (Fig. 5) HOLOTYPE. — Iran. Lorestan Province, Aligudarz, Zaz and Mahroo (forest mountains of Moolish), from leaf spot of Quercus brantii, IX.2020, S. Artand (holo-, IRAN [18144 F]; ex-type cultures, IRAN [4448 C] = SCUA-Ar-B10 A). ADDITIONAL SPECIMEN EXAMINED. — Iran. Lorestan Province, Aligudarz, Zaz and Mahroo (forest mountains of Moolish), from stem canker of Crataegus sp., IX.2020, S. Artand (SCUA-Ar-Z1 B). ETYMOLOGY. — The name refers to the Zagros forest, where this fungus was collected. MYCOBANK. — MB 841495. DESCRIPTION Asexual morphology Pycnidia scattered and irregular, solitary or confluent, superficial on the medium or in aerial mycelium, sometime semiimmersed in the agar, globose to subglobose, covered with hyphal outgrowths, with inconspicuous ostiole, brown to dark brown with a paler wall, (80.4-)128.3-147.5(-214.4) × (78-)119.3-135.7(-205) µm, (x ± SD = 138.4 ± 4.8 × 128 ± 4.2 µm, n = 50). Pycnidial wall pseudoparenchymatous, composed of isodiametric to elongated cells, 3-5 layers, pale brown to brown, outer layers darker and pigmented. Conidiogenous cells phialidic, hyaline, smooth-walled, discrete, subglobose or bottle-shaped. Conidia mostly globose to subglobose but also broadly ellipsoidal, ovate-ellipsoidal or irregular in shape, pale brown to brown, straight or sometimes very slightly curved, smooth- and thin-walled, guttulate, aseptate, (3.2-)5.4-6.0(-7.4) × (2.6-)3.8-4.1(-5.3) µm, (x ± SD = 5.7 ± 0.2 × 4.0 ± 0.1 µm, n = 50). Chlamydospores and swelling cells not observed. Sexual morphology Not observed., Published as part of Artand, Saeid, Mehrabi-Koushki, Mehdi, Tabein, Saeid, Hyde, Kevin D. & Jayawardena, Ruvishika S., 2022, Revision of the Microsphaeropsis complex with addition of four new Paramicrosphaeropsis L. W. Hou, L. Cai & Crous species from Zagrosian forest trees in Iran, pp. 159-175 in Cryptogamie, Mycologie 20 (7) on pages 169-170, DOI: 10.5252/cryptogamie-mycologie2022v43a7, http://zenodo.org/record/7815336

Paramicrosphaeropsis pistacicola M.Mehrabi-Koushki, S.Artand, K.D.Hyde & Jayaward., sp. nov. (Fig. 3) HOLOTYPE. — Iran. Khuzestan Province, Dezful, Sardasht (forest mountains of Saland-Kooh), from leaf spot of Pistacia khinjuk, III.2021, S. Artand (holo-, IRAN [18145 F]; ex-type cultures, IRAN [4449 C] = SCUA-Ar-SK11 A). ADDITIONAL SPECIMEN EXAMINED. — Iran. Khuzestan Province, Dezful, Sardasht (forest mountains of Saland-Kooh), from leaf spot of Pistacia atlantica, III.2021, S. Artand (IRAN [4450 C] = SCUA-Ar-SK1D). ETYMOLOGY. — The name refers to the host genus Pistacia L. from which it was isolated. MYCOBANK. — MB 841493. DESCRIPTION Asexual morphology Pycnidia scattered and irregular, mostly solitary, sometimes confluent, superficial on the medium or in aerial mycelium, globose to subglobose, occasionally flask-shaped, glabrous or covered with some hyphal outgrowths, with inconspicuous ostiole, rarely with a conspicuous ostiole, brown to dark brown with a paler wall, (78-)113.2-127(-208) × (53.6-)91.3-103.9 (-187.6) µm, (x ± SD = 120.5 ± 3.5 × 97.6 ± 3.1 µm, n = 50). Pycnidial wall prosenchymatous and pseudoparenchymatous, composed of branched hyphae and elongated cells, 3-12 layers, sometimes wall layers do not completely enclose conidiomata and the conidia can be seen through hyphal network, pale brown to brown. Conidiogenous cells phialidic, hyaline, smooth-walled, discrete, globose to subglobose. Conidia mostly subglobose to ellipsoidal but also ovoid, obpyriform or irregular in shape, pale brown to brown, straight or slightly curved, smooth- and thin-walled, guttulate, aseptate, (4.2-)5.5-6.2 (-8.4) × (3.2-)3.9-4.2(-5.3) µm, (x ± SD = 5.8 ± 0.2 × 4.1 ± 0.1 µm, n = 50). Chlamydospores and swelling cells not observed. Sexual morphology Not observed., Published as part of Artand, Saeid, Mehrabi-Koushki, Mehdi, Tabein, Saeid, Hyde, Kevin D. & Jayawardena, Ruvishika S., 2022, Revision of the Microsphaeropsis complex with addition of four new Paramicrosphaeropsis L. W. Hou, L. Cai & Crous species from Zagrosian forest trees in Iran, pp. 159-175 in Cryptogamie, Mycologie 20 (7) on pages 166-168, DOI: 10.5252/cryptogamie-mycologie2022v43a7, http://zenodo.org/record/7815336

Genus Microsphaeropsis Höhn. Hedwigia 59: 267 (Höhnel 1917). NOTES Microsphaeropsis was introduced by Höhnel (1917), with M. olivacea (Bonord.) Höhn. as the type species. This genus is characterised by immersed or erumpent, subglobose, solitary or confluent, ostiolate pycnidia with a wall of textura angularis; phialidic, hyaline, ampulliform to doliiform or subcylindrical conidiogenous cells and a thin-walled, smooth or finely roughened, 0-1-septate conidia (Chen et al. 2015).

Genus Heteromicrosphaeropsis M.Mehrabi-Koushki, K.D.Hyde & Jayaward., gen. nov. TYPE SPECIES. — Heteromicrosphaeropsis ononidicola (Thambug., Camporesi & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward. ETYMOLOGY. — The name refers to Microsphaeropsis which is morphologically similar but phylogenetically different. MYCOBANK. — MB 841486. DESCRIPTION Conidiomata pycnidial, immersed or erumpent, globose to subglobose, solitary or confluent, uni- to bi-loculate, ostiolate. Pycnidial wall of light to dark brown textura angularis. Conidiogenous cells phialidic, hyaline, cylindrical, discrete or integrated. Conidia thin- and smooth-walled, hyaline to yellowish brown, aseptate, obovoid to ellipsoidal, straight, and sometimes guttulate.

Heteromicrosphaeropsis ononidicola (Thambug., Camporesi & K.D.Hyde) M.Mehrabi-Koushki, K.D.Hyde & Jayaward., comb. nov. Microsphaeropsis ononidicola Thambug., Camporesi & K.D.Hyde, Current Research in Environmental & Applied Mycology 8: 220 (Thambugala et al. 2018). MYCOBANK. — MB 841491. DESCRIPTION See Thambugala et al. (2018). NOTES Microsphaeropsis ononidicola was introduced with the description of a saprobic strain (MFLUCC 15-0459) isolated from dead aerial stems of Ononis spinosa L. (Fabaceae) in Italy (Thambugala et al. 2018). In the phylogenetic analyses of the present study (Fig. 1), this species is distant from the Microsphaeropsis lineage and other genera in the Microsphaeropsis complex. Therefore, a new genus Heteromicrosphaeropsis M.Mehrabi-Koushki, K.D.Hyde & Jayaward., gen. nov. is introduced to accommodate this species. Nucleotide comparison of Heteromicrosphaeropsis M.Mehrabi-Koushki, K.D.Hyde & Jayaward., gen. nov. with Microsphaeropsis species revealed a difference of 0.6% (3/521 bp) in the LSU region, 2.6% (11/431 bp) in the ITS and 11% (22/198 bp) in the tub 2. However, this new genus is morphologically similar to Microsphaeropsis but phylogenetically different.

Paramicrosphaeropsis salandica M.Mehrabi-Koushki, S.Artand, K.D.Hyde & Jayaward., sp. nov. (Fig. 4) HOLOTYPE. — Iran. Khuzestan Province, Dezful, Sardasht (forest mountains of Saland-Kooh), from fruit rot of Crataegus sp., III.2021, S. Artand (holo-, IRAN [18137 F]; ex-type cultures, IRAN [4376 C] = SCUA-Ar-SZ8 C2). ADDITIONAL SPECIMENS EXAMINED. — Iran. Khuzestan Province, Dezful, Sardasht (forest mountains of Saland-kooh), from leaf spot of Quercus brantii, III.2021, S. Artand (IRAN [4453 C] = SCUA-Ar-SB5 A); from leaf spot of Ziziphus sp., III.2021, S. Artand (IRAN [4456 C] = SCUA-Ar-S4D1 and IRAN [4454 C] = SCUA-Ar-S4D2); from leaf spot of Nerium oleander, III.2021, S. Artand (IRAN [4455 C] = SCUA-Ar-SKH13 B); from leaf spot of an unknown shrub., III.2021, S. Artand (SCUA-Ar-S9 C 2). ETYMOLOGY. — The name refers to the Saland-Kooh Mountains, where this fungus was collected. MYCOBANK. — MB 841494. DESCRIPTION Asexual morphology Pycnidia scattered and irregular, solitary or confluent, superficial on the medium or in aerial mycelium, globose to subglobose, covered with hyphal outgrowths, with inconspicuous ostiole, brown to dark brown with a paler wall, (107.2-)167.9-198.5 (-321.6) × (93.8-)153-174.9(-268) µm, (x ± SD = 184.4 ± 7.5 × 163.9 ± 5.6 µm, n = 50). Pycnidial wall pseudoparenchymatous, composed of isodiametric to elongated cells, 3-6 layers, pale brown to brown, outer layers darker. Conidiogenous cells phialidic, hyaline, smooth-walled, discrete, ampulliform or doliiform.Conidia mostly ovoid to obpyriform but also irregular in shape, pale brown to brown, straight or sometime very slightly curved, smooth- and thin-walled, guttulate, aseptate, (4.7-)5.9-6.5(-9.5) × (3.2-)4.6-5.2(-6.8) µm, (x ± SD = 6.2 ± 0.1 × 4.9 ± 0.1 µm, n = 50). Chlamydospores and swelling cells not observed. Sexual morphology Not observed., Published as part of Artand, Saeid, Mehrabi-Koushki, Mehdi, Tabein, Saeid, Hyde, Kevin D. & Jayawardena, Ruvishika S., 2022, Revision of the Microsphaeropsis complex with addition of four new Paramicrosphaeropsis L. W. Hou, L. Cai & Crous species from Zagrosian forest trees in Iran, pp. 159-175 in Cryptogamie, Mycologie 20 (7) on page 168, DOI: 10.5252/cryptogamie-mycologie2022v43a7, http://zenodo.org/record/7815336

Paramicrosphaeropsis amygdalus M.Mehrabi-Koushki, S.Artand, K.D.Hyde & Jayaward., sp. nov. (Fig. 2) HOLOTYPE. — Iran. Khuzestan Province, Dezful, Shahiyoon (forest mountains of Segeryoo), from stem canker of Amygdalus scoparia, I.2019, S. Artand (holo-, IRAN [18146F]; ex-type living culture, IRAN [4451C] = SCUA-Ar-KS3-3). ADDITIONAL SPECIMENS EXAMINED. — Iran. Khuzestan Province, Dezful, Sardasht (forest mountains of Saland-Kooh), from stem canker of Amygdalus scoparia, III.2021, S. Artand (IRAN [4452C] = SCUA-Ar-SB2A); from leaf spot of an unknown tree, III.2021, S. Artand (SCUA-Ar-S6A). ETYMOLOGY. — The name refers to the host genus Amygdalus L. from which it was isolated. MYCOBANK. — MB 841492. DESCRIPTION Asexual morphology Pycnidia scattered and irregular, solitary or aggregated, superficial on the medium or in aerial mycelium, globose to subglobose, sometime with a short neck, covered with hyphal outgrowths, usually inconspicuous ostiole, sometime with a conspicuous ostiole, slightly papillate or non-papillate, brown to dark brown with a paler wall, (107.2-)159.6-186.6(-268) × (102.2-)144.1-166.4(-241.2) µm, (x ± SD = 173.7 ± 6.7 × 155.6 ± 5.7 µm, n = 50). Pycnidial wall pseudoparenchymatous, composed of isodiametric to elongated cells, 3-6 layers, pale brown to brown, outer layers darker. Conidiogenous cells phialidic, hyaline, smooth-walled, discrete, ampulliform or doliiform. Conidia mostly ovoid to ellipsoidal but also allantoid, or irregular in shape, pale brown to brown, straight or curved, smooth- and thin-walled, guttulate, aseptate, (3.7-)5.9-6.9(-10.5) × (3.2-)4.0-4.3(-5.8) µm, (x ± SD = 6.3 ± 0.3 × 4.2 ± 0.1 µm, n = 50). Chlamydospores and swelling cells not observed. Sexual morphology Not observed., Published as part of Artand, Saeid, Mehrabi-Koushki, Mehdi, Tabein, Saeid, Hyde, Kevin D. & Jayawardena, Ruvishika S., 2022, Revision of the Microsphaeropsis complex with addition of four new Paramicrosphaeropsis L. W. Hou, L. Cai & Crous species from Zagrosian forest trees in Iran, pp. 159-175 in Cryptogamie, Mycologie 20 (7) on page 166, DOI: 10.5252/cryptogamie-mycologie2022v43a7, http://zenodo.org/record/7815336

Plenodomus dezfulensis M. Mehrabi-Koushki, A. Safi & R. Farokhinejad, sp. nov. (Fig. 3) MycoBank: MB 839660 Holotype: IRAN. Khuzestan Province; Dezful (Safiabad), isolated from leaf spot of Brassica napus subsp. napus (Brassicaceae), December 2019, A. Safi (holotype, IRAN 18084F; ex-type cultures, IRAN 4159C = SCUA-Ahm-S41). Etymology: Species epithet refers to Dezful County in Khuzestan Province (Iran), where the fungus was collected. Asexual morph: Coelomycetous. Conidiomata pycnidial, scattered and irregular, solitary or confluent, partly submerged in the agar, globose to subglobose, with hyphal outgrowths, ostiolate, papillate, brown to tan brown with a darker border, thick-walled, (89–)102–271.4  56.3–238(–263.7) µm, 95% confidence limits = 158.1–182.2  109.8– 129.7 µm, (± SD = 170.1 ± 46.6  119.8 ± 38.6 µm, n= 60). Pycnidial wall variable in thickness, composed of several layers with thick-walled cells of textura angularis, somewhat elongated cells at the base of the pycnidia. Ostioles slightly papillate, with a narrow pore or opening via a rupture. Conidiogenous cells hyaline, smooth, ovoid to doliiform, 3.5–5.2  2.5–4 µm. Conidia ellipsoidal to oblong, rarely allantoid, straight, sometime very slightly curved, hyaline but greyish brown in mass, guttulate near each end, rounded at both ends, aseptate, 3.15–7.4  1– 2.2(–2.7) µm, 95% confidence limits = 4.2–4.7  1.9–2.1 µm, (± SD = 4.5 ± 0.8  1.9 ± 0.3 µm, n= 60). Chlamydospores occasionally found in old cultures, unicellular or occasionally multicellular (pseudosclerotioid and dictyosporous). Swollen cells terminal or intercalary, solitary or in clusters. Sexual morph: not observed. Culture characteristics: colonies on PDA attaining 40–45 mm diam. after 8 days of incubation at 25 ± 0.5 ° C and 52–55 mm diam. at 30 ± 0.5 ° C, circular with filiform margin, initially greenish grey to olivaceous grey, with age becoming darker, finally grey, floccose, in some area covered by dirty-white, woolly mycelial masses; reverse brownish green with a grey margin in young colonies, blackish grey in old colonies. Colonies on OA attaining 43–47 mm diam. after 8 days of incubation at 25 ± 0.5 ° C and 47–50 mm diam. at 30 ± 0.5 ° C, circular with filiform margin, white to dark white, with age becoming grey, cottony and covered by white aerial mycelial, pycnidia scattered in colony margin as black dots; reverse grey. Additional specimen examined: IRAN. Khuzestan Province; Dezful, isolated from leaf spot of Brassica napus subsp. napus (Brassicaceae), January 2020, A. Safi (SCUA-Ahm-S41-2). Note: Plenodomus dezfulensis formed a sister lineage with P. biglobosus (Fig. 2), but it can easily be distinguished from this species by pycnidia having hyphal outgrowths and lacking cylindrical neck (Shoemaker & Brun 2001). Single nucleotide polymorphisms (SNP) analysis of three regions showed the new species and closest strain of P. biglobosus (CBS 119951) had 2 base pair difference (0.46%) across 435 nucleotides of the ITS region, 7 different base pairs (2.3%) across 306 nucleotides of the tub2 region, and a difference of 16 base pairs (2.2%) across 712 nucleotides of the rpb2 region. Two other closely related species of the new species are P. pimpinellae (Lowen & Sivan.) Gruyter, Aveskamp & Verkley, and P. wasabiae. Plenodomus dezfulensis can be easily distinguished from P. pimpinellae by narrower, in culture formed pycnidia lacking long elongated neck (Boerema et al. 2004). In the comparison of DNA sequences of two regions (ITS: 435 bp, tub2: 306 bp), Plenodomus dezfulensis differs from P. pimpinellae in 13 base pairs (1.8%, ITS: 3 bp, tub2: 10 bp) and from P. wasabiae in 12 base pairs (1.6%, ITS: 4 bp, tub2: 8 bp). The rpb2 data of both species are not available for the comparison., Published as part of Safi, Atena, Mehrabi-Koushki, Mehdi & Farokhinejad, Reza, 2021, Plenodomus dezfulensis sp. nov. causing leaf spot of Rapeseed in Iran, pp. 141-154 in Phytotaxa 523 (2) on page 147, DOI: 10.11646/phytotaxa.523.2.2, http://zenodo.org/record/5585415, {"references":["Shoemaker, R. A. & Brun, H. (2001) The teleomorph of the weakly aggressive segregate of Leptosphaeria maculans. Canadian Journal of Botany 79 (4): 412 - 419. https: // doi. org / 10.1139 / b 01 - 019","Boerema, G. H., de Gruyter, J., Noordeloos, M. E. & Hamers, M. E. C. (2004) Phoma identification manual. Differentiation of specific and infra - specific taxa in culture. Wallingford, UK: CABI Publishing. https: // doi. org / 10.1079 / 9780851997438.0000"]}

Thirteen new species are formally described: Cortinarius brunneocarpus from Pakistan, C. lilacinoarmillatus from India, Curvularia khuzestanica on Atriplex lentiformis from Iran, Gloeocantharellus neoechinosporus from China, Laboulbenia bernaliana on species of Apenes, Apristus, and Philophuga (Coleoptera, Carabidae) from Nicaragua and Panama, L. oioveliicola on Oiovelia machadoi (Hemiptera, Veliidae) from Brazil, L. termiticola on Macrotermes subhyalinus (Blattodea, Termitidae) from the DR Congo, Pluteus cutefractus from Slovenia, Rhizoglomus variabile from Peru, Russula phloginea from China, Stagonosporopsis flacciduvarum on Vitis vinifera from Italy, Strobilomyces huangshanensis from China, Uromyces klotzschianus on Rumex dentatus subsp. klotzschianus from Pakistan. The following new records are reported: Alternaria calendulae on Calendula officinalis from India; A. tenuissima on apple and quince fruits from Iran; Candelariella oleaginescens from Turkey; Didymella americana and D. calidophila on Vitis vinifera from Italy; Lasiodiplodia theobromae causing tip blight of Dianella tasmanica ‘variegata’ from India; Marasmiellus subpruinosus from Madeira, Portugal, new for Macaronesia and Africa; Mycena albidolilacea, M. tenuispinosa, and M. xantholeuca from Russia; Neonectria neomacrospora on Madhuca longifolia from India; Nothophoma quercina on Vitis vinifera from Italy; Plagiosphaera immersa on Urtica dioica from Austria; Rinodina sicula from Turkey; Sphaerosporium lignatile from Wisconsin, USA; and Verrucaria murina from Turkey. Multi-locus analysis of ITS, LSU, rpb1, tef1 sequences revealed that P. immersa, commonly classified within Gnomoniaceae (Diaporthales) or as Sordariomycetes incertae sedis, belongs to Magnaporthaceae (Magnaporthales). Analysis of a six-locus Ascomycota-wide dataset including SSU and LSU sequences of S. lignatile revealed that this species, currently in Ascomycota incertae sedis, belongs to Pyronemataceae (Pezizomycetes, Pezizales).