taxonID	type	description	language	source
2303323B37CA29798E545DA3FA09BB8F.taxon	etymology	Etymology. In reference to Esporles, the village of Mallorca (Spain) where it was found.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
2303323B37CA29798E545DA3FA09BB8F.taxon	diagnosis	Diagnosis. Asexual morph: Mycelium consisting of smooth, hyaline, branched septate hyphae about 1.5 - 4 µm in diameter. Conidiophores reduced to conidiogeous cells. Conidiogenous cells polyblastic, aggregated in clusters on hyphae, smooth, hyaline to pale brown, ampuliform, cylindrical or lageniform, measuring 4 - 22 x 4 - 8 μm. Conidia brown, smooth, globose with a pale equatorial slit and (8 -) 9 - 12 (- 13) µm long in frontal view, lenticular and 6 - 8 μm long in side view (n = 30). Sterile cells elongated, sometimes mixed among conidia, paler than them. Culture characteristics: colonies flat, spreading, with moderate aerial mycelium, on MEA 2 % surface white with yellowish patches, reverse concolour with age.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
2303323B37CA29798E545DA3FA09BB8F.taxon	materials_examined	Type. Spain: Balearic Islands: Mallorca, Esporles, on dead culms of Phyllostachys aurea, 16 July 2017, A. Pintos (MA-Fungi 91727 holotype, AP 16717 isotype, CBS 145136 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EED9D4B6BC0FADDAC0D90D9A96F3B6D8.taxon	etymology	Etymology. Refers to the Balearic Islands (Spain), where the holotype was found.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EED9D4B6BC0FADDAC0D90D9A96F3B6D8.taxon	diagnosis	Diagnosis. Sexual morph: Stromata forming black, linear, confluent raised areas on host surface, with the longer axis broken at the apex, (500 -) 600 - 1500 (- 2000) µm x (200 -) 320 - 450 (- 500) µm (n = 20). Ascomata globose to subglobose, with flattened base, blackish brown, (120 -) 140 - 180 (- 200) µm in diameter (n = 30). Peridium 8 - 15 µm thick, consisting of 4 - 5 layers of cells arranged in textura angularis, externally dark brown, hyaline in the inner part. Ostiole single, central, 30 - 60 µm in diameter, with a periphysate channel 20 - 30 µm long. Peryphises broad, colourless. Hamathecium composed of dense hypha-like, broad septate paraphyses, deliquescing early, 4 - 6 µm thick. Asci 8 - spored, unitunicate, clavate, broadly cylindrical, with an inconspicuous pedicel, rounded apex, thin-walled, without an apical apparatus, measuring (77 -) 80 - 98 (- 105) x (14 -) 15 - 19 (- 21) µm (n = 22). Ascospores 1 - 3 - seriate, hyaline, apiospore smooth-walled, fusiform, elliptical, reniform, straight or curved, bicellular, wider at the center of the longest cell, measuring (23 -) 26 - 30 (- 32) x (7 -) 9 - 10 (- 12) µm (n = 35), basal cell 3 - 6 µm long, sometimes containing a droplet. Asexual morph: not observed. Culture characteristics: colonies flat spreading on MEA 2 %, with moderate aerial mycelium, reverse withish.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EED9D4B6BC0FADDAC0D90D9A96F3B6D8.taxon	materials_examined	Type. Spain: Balearic Islands: Mallorca, Llucmajor, on undetermined Poaceae, 24 Jan. 2018, A. Pintos (MA-Fungi 91723 holotype, AP 24118 isotype, CBS 145129 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
E158EBE82FE29383FE46516F2E40C05F.taxon	description	Description. Asexual morph: colonies on the host punctiform, pulvinate, 140 - 400 µm in diameter, blackish brown. Mycelium formed by hyaline smooth, branched hyphae, 2 - 5 µm in diameter. Conidiophore mother cells arising from a superficial or erumpent mycelial mat, subspherical to lageniform in shape, hyaline with brown pigments at the base, measuring (4 -) 5 - 7 (- 8) x (8 -) 9 - 11 (- 12) µm (n = 45). Conidiophores erect or ascending, simple, straight or flexuous, cylindrical, smooth-walled, colourless excepting for the thick, brown to dark brown, transversal septa, 15 - 100 x 3 - 5 µm (n = 50). Conidia fusiform or broadly spindle-shaped, smooth-walled, broader at the middle, tapering towards the narrowly rounded ends, dark brown with a hyaline rim, (37 -) 44 - 51 (- 55) µm in frontal view, (8 -) 9 - 11 (- 12) µm in side view (n = 50). Sterile cells smaller, 15 - 19 x 10 - 13 µm, and paler than conidia, bicuspidate or irregularly lobed. Culture characteristics: flat colonies spreading on MEA 2 %, with moderately abundant, white cottony aerial mycelium, reverse whitish too, circular in shape with irregular edge.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
E158EBE82FE29383FE46516F2E40C05F.taxon	materials_examined	Specimens examined. Germany: Brandenburg: south of Liberose, on dead leaves of Carex ericetorum, 14 May 2018, R. Jarling (MA-Fungi 91725).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
2D34B843EC9F7FDF6C78CE8BB6F9D3B2.taxon	description	Description. Asexual morph: Colonies are compact, round, dark to black, 80 - 320 in diameter. Mycelium is composed of hyaline to pale brown smooth hyphae 2 - 7 µm in diameter. Conidiophore mother cells spherical to lageniform, hyaline with brown pigments at the base, measuring (4 -) 5 - 7 (- 8) x (4 -) 5 - 6 (- 7) µm (n = 30). Conidiophores cylindrical unbranched, straight or flexuous, hyaline and smooth walled, with a single brown transversal septa, measuring 30 - 100 x 2 - 4 µm. (n = 30). Conidiogenous cells cylindrical 1 - 1.5 x 1 - 1.5 µm (n = 20). Conidia borne along the sides of conidiophores, curved, rounded at the ends, brown, with a hyaline germ slit and a clearly visible scar, (8 -) 9 - 10 (- 11) µm long in frontal view, (5 -) 6 - 7 (- 8) µm in side view (n = 30). Sterile cells rounded, paler than conidia. Culture characteristics flat colonies spreading on MEA 2 % with moderate aerial mycelium, reverse withish.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
2D34B843EC9F7FDF6C78CE8BB6F9D3B2.taxon	materials_examined	Specimens examined. Germany: Brandenburg: south of Liberose, on dead leaves of Carex sp., 28 Mar. 2018, R. Jarling (MA-Fungi 91726).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
03C43574C2945E43CE65406C7BA22F09.taxon	etymology	Etymology. Named to honor the eminent mycologist Enric Descals Callisen.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
03C43574C2945E43CE65406C7BA22F09.taxon	diagnosis	Diagnosis. Sexual morph: Stromata forming black fusiform spots that merge with each other with age, forming an erumpent black mass visible at the naked eye, 2 - 10 x 0.2 - 0.5 mm in size, with the long axis broken at the top revealing the ostioles of pseudothecia. Ascomata pseudothecia, subglobose with a flattened base, arranged in rows, brown to dark brown, 150 - 220 μm high x 150 - 250 μm wide (n = 20). Peridium with several layers of cells arranged in textura angularis, with a conspicuous ostiole 50 - 80 μm in diameter, periphysate. Hamathecium paraphyses hyphae-like, septate, hyaline. Asci cylindrical, clavate, with a short or indistinct pedicel, with rounded apices, measuring (73 -) 82 - 95 (- 111) x (16 -) 17 - 20 (- 23) μm (n = 30). Ascospores uniseriate to biseriate, hyaline, smooth-walled, apiosporic, composed of a large curved upper cell and smaller lower cell, fusiform to slightly curved in shape with narrowly rounded ends, guttulated, sometimes with a thick gelatinous sheath, (17 -) 18 - 22 (- 24) x (6 -) 7 - 9 (- 10) μm, and a basal cell 3 - 5 μm (n = 45). Asexual morph: Mycelium hyaline, septate, branched, hyphae 1.5 - 4.5 μm in diameter Conidiophores reduced to the conidiogenous cells. Conidiogenous cells solitary on hyphae, ampuliform, hyaline to brown, 5 x 4 μm. Conidia brown, smooth, guttulate, globose to ellipsoid (5 -) 7 (- 8) µm long (n = 20) in face view, lenticular with a paler equatorial slit and 6 - 7 μm long in side view (n = 10). Sterile cells elongated, sometimes mixed among conidia. Culture characteristics: ascospores germinating on MEA 2 % within 24 - 48 h. Colonies flat, spreading, with sparse aerial mycelium, pale siena.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
03C43574C2945E43CE65406C7BA22F09.taxon	materials_examined	Type. Spain: Balearic Islands: Mallorca, es Capdella, on dead stems of Ampelodesmos mauritanicus, 31 Jan. 2018, A. Pintos (MA-Fungi 91724 holotype, AP 31118 A isotype, CBS 145130 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
6E4BE7B0CB89835C0C4A1132D576F294.taxon	description	Description. Sexual morph: Stromata black, fusiform, forming rows of densely arranged perithecial ascomata parallel to the main axis of the host, measuring (400 -) 600 - 2500 (- 3000) x (250 -) 320 - 450 (- 550) µm (n = 30). Ascomata globose to subglobose, with a flattened base, blackish brown, (130 -) 250 - 290 (- 320) µm in diameter (n = 30). Peridium consisting of 3 or 4 layers of cells arranged in textura angularis, dark brown in the external side, hyaline in the inside, ostiole single, central, 10 - 30 µm in diameter, with a periphysate channel 20 - 35 µm long. Peryphises broad, colourless. Hamathecium composed of dense hypha-like, broad septate paraphyses, early deliquescing. Asci 8 - spored, unitunicate, clavate, broadly cylindrical, pedicel indistinct, apical rounded, thin-walled, without an apical apparatus, measuring (76 -) 85 - 98 (- 115) x (20 -) 22 - 26 (- 28) µm (n = 22). Ascospores uni- to tri-seriate, hyaline, apiosporic, smooth-walled, fusiform, elliptical, reniform, straight or curved, smooth-walled, sometimes with an internal droplet, bicellular, the widest part located in the central part of the longest cell, some ascospores have a mucose sheath covering them, (28 -) 32 - 34 (- 38) x (8 -) 9 - 11 (- 13) (n = 35) µm, basal cell 5 - 7 µm. Asexual morph: Mycelium branched, septate. Conidiomata on host surrounding the stromata of the sexual phase, parallel to the longitudinal axis of the stem, subepidermal, opening by longitudinal splitting of the epidermis and revealing a black conidial mass, (450 -) 630 - 950 (- 1000) x (275 -) 345 - 550 (- 600) µm (n = 35). Conidiophore mother cell arising from the stroma, ampuliform, lageniform, cupulate or cylindrical, sometimes with granular pigments at the apex, (5) 6 - 10 (- 16) x (3 -) 5 - 7 (- 8) µm (n = 24). Conidiophores basauxic, polyblastic, cylindrical, hyaline to light brown, smooth or with granular pigments in all their length, straight or flexuous, septate or not, sometimes exceeding 90 μm in length x 2 - 4 μm wide (n = 43). Conidia globose to obovoid, dark brown, with a central scar at the base, (15 -) 16 - 20 (- 21) in frontal view, (14 -) 15 - 18 (- 19) in side view (n = 40). Sterile cells gray, irregularly angled and lobed, (15 -) 17 - 41 (- 42) x (10 -) 14 - 23 (- 25) µm (n = 30). Culture characteristics: colonies in MEA 2 % flat, spreading, first white and cottony, later became dark pink, mycelium branched, septate, hyaline, reverse dark.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
6E4BE7B0CB89835C0C4A1132D576F294.taxon	materials_examined	Specimens examined. New Zealand: Waikato: Paeroa, on dead culm of Bambusa sp., 28 Feb. 1980, E. H. C. McKenzie & P. R. Johnston (ICMP 6889 ex-type culture). Spain: Galicia: Santiago de Compostela, on dead culms of Phyllostachys aurea, 12 Jan. 2018, A. Pintos (MA-Fungi 91731, AP 12118). Balearic Islands: Mallorca, Esporlas, on dead culms of Phyllostachys aurea, 29 July 2017, A. Pintos (MA-Fungi 91729, AP 29717). Mallorca, Jardin Botanico de Soller, on dead culms of Phyllostachys aurea, 24 Oct. 2017, A. Pintos (MA-Fungi 91730, AP 2410173). Mallorca, Soller, on dead culms of Phyllostachys aurea, 15 Mar. 2018, A. Pintos (MA-Fungi 91728, AP 15318).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
8B6852B1AE9B24BD4261261A96214996.taxon	etymology	Etymology. In reference to the Iberian Peninsula, where the holotype was collected.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
8B6852B1AE9B24BD4261261A96214996.taxon	diagnosis	Diagnosis. Sexual morph: Stromata solitary to gregarious, immersed or semi-immersed, fusiform to ellipsoid in shape, black, with the long axis broken at the top, 2 - 5 x 0.5 - 1 mm. Ascomata perithecial, subglobose with a flattened base, arranged in rows, brown to dark brown, exudating a white cirrhus of ascospores, 170 - 300 µm in diameter and 200 - 300 µm high. Peridium consisting in 3 or 4 layers of cells arranged in textura angularis. Ostiole single, central, 12 - 30 µm in diameter, with a periphysate channel. Hamathecium composed of dense, septate, branched paraphyses. Asci 8 - spored, clavate or cylindrical, lacking an apical apparatus, shortly pedicelate, measuring (82 -) 90 - 125 (- 128) x (14 -) 15 - 19 (- 21) μm (n = 30). Ascospores uniseriate to biseriate, hyaline, smooth-walled, apiosporic, composed of a large curved upper cell and small lower cell, fusiform or slightly curved in shape with narrowly rounded ends, uniguttulated, lacking a gelatinose sheath, measuring (28 -) 29 - 34 (- 37) x (5 -) 6 - 8 (- 9) μm, and a basal cell 5 - 7 μm (n = 45). Asexual morph: Mycelium hyaline, septate, branched, hyphae 2 - 4 μm in diameter. Conidiophores reduced to the conidiogenous cells. Conidiogenous cells aggregated in clusters on hypha or solitary, ampuliform or cylindrical, 6 - 12 x 3 μm. Conidia brown, smooth, globose to ellipsoid (9 -) 10 (- 12) µm long (n = 30) in face view, lenticular, with a paler equatorial slit, and (6 -) 7 (- 8) μm long (n = 40) in side view. Sterile cells elongated, rolled up, sometimes mixed among conidia. Culture characteristics: ascospores germinating on MEA 2 % within 24 - 48 h. Colonies flat, spreading, with sparse aerial mycelium, pale siena with white patches.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
8B6852B1AE9B24BD4261261A96214996.taxon	materials_examined	Type. Portugal. Viana do Castelo: Valenca do Minho, on dead culms of Arundo donax. 10 Jan. 2018, A. Pintos (MA-Fungi 91732 holotype, AP 10118 isotype, CBS 145137 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EFB80D09F3643E46B1D770B76D85DC8F.taxon	etymology	Etymology. In reference to Italy, the country where the holotype was found.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EFB80D09F3643E46B1D770B76D85DC8F.taxon	diagnosis	Diagnosis. Sexual morph: Stromata solitary to gregarious, inmersed to erumpent, fusiform, with long axis broken at the top by one or two cracks, 0.5 - 4 x 0.2 - 0.5 mm (n = 20). Ascomata uniseriate or irregularly arranged beneath stromata, pseudothecial, black, globose to subglobose with a flattened base, 150 - 200 μm high x 230 - 300 μm wide. Peridium composed of 5 or 6 layers of brown cells arranged in textura angularis, with a conspicuous peryphisate ostiole. Hamathecium paraphyses hyphae-like. Asci broadly cylindrical, clavate or subglobose, pedicel indistinct, apically rounded (70 -) 72 - 93 (- 96) x (14 -) 15 - 18 (- 20) μm (n = 30). Ascospores apiosporic, clavate to fusiform with narrowly rounded ends, composed of a large upper cell and small lower cell, hyaline, smooth-walled, surrounded by a gelatinose sheath, measuring (20 -) 21 - 25 (- 26) x (5 -) 6 - 9 (- 10) μm, basal cell 3 - 5 μm (n = 45). Asexual morph: Mycelium consisting of smooth, hyaline, branched, septate hyphae 1.5 - 4 µm in diameter. Conidiophores straight or flexuous, cylindrical, colourless except for the thick brown transversal septa, smooth-walled, 10 - 50 x 1 - 3 μm. Conidiogenous cells ampuliform, cylindrical or doliform, hyaline to brown, (3 -) 4 - 7 (- 9) x (1.5 -) 2 - 3 (- 5) μm (n = 30). Conidia brown, smooth, globose in face view, lenticular in side view, 4 - 6 x 3 - 4 μm (n = 65), with a pale equatorial slit. Culture characteristics: on MEA 2 %, sparse aerial mycelia, surface dirty white, reverse pale yellowish.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EFB80D09F3643E46B1D770B76D85DC8F.taxon	materials_examined	Type. Italy: Sicily: On dead culms of Arundo donax, 19 June 2016, H. Voglmayr (MA-Fungi 91733 holotype, AP 221017 isotype, CBS 145138 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
EFB80D09F3643E46B1D770B76D85DC8F.taxon	materials_examined	Other specimens examined. Spain: Balearic Islands: Mallorca, Puerto de Andratx, on dead culms of Phragmites australis, 29 Jan. 2018, A. Pintos (MA-Fungi 91734, AP 29118).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
FFC06A5C2E64B5BAFECC3FE4202C808E.taxon	description	Description. Sexual morph: Stromata forming black fusiform spots, visible at the naked eye, with a long axis broken at the top revealing the ostioles of pseudothecia, 2 - 6 x 0.2 - 0.5 mm in size. Ascomata subglobose, sometimes with a flattened base, brownish to reddish brown, 150 - 190 μm high x 160 - 250 μm wide (n = 20). Peridium with several layers of cells arranged in textura angularis, with a conspicuous ostiole 50 - 7 - 80 μm diameter, periphysate. Hamathecium paraphyses not prominent, hyphae-like, septate, hyaline. Asci 8 - spored, unitunicate, broadly cylindrical to clavate, with rounded apex and a short pedicel, (60 -) 70 - 100 (- 115) x (16 -) 18 - 20 (- 22) μm (n = 30). Ascospores fusiform to elliptical, with narrowly rounded ends, hyaline, with multiple guttules, surrounded by a mucilaginous sheath, (16) 19 - 23 (- 24) x (6 -) 7 - 8 (- 10) μm, basal cell 2 - 5 (n = 30). Asexual morph: Mycelium consisting of smooth, hyaline, branched, septate hyphae measuring 1.5 - 5 µm in diameter. Conidiophores straight or flexuous, cylindrical, colourless except for the thick brown transverse septa, measuring 10 - 40 x 2 - 3 μm. Conidiogenous cells ampuliform to cylindrical, hyaline to brown, (3 -) 4 - 7 (- 11) x (1.4 -) 2 - 4 (- 5) μm (n = 30). Conidia, brown, smooth, granular, globose in face view, lenticular in side view, measuring (6 -) 7 - 8 (- 9) x 4 - 5 (- 6) µm, with a pale equatorial slit. Sterile cells elongated, brown. Culture characteristics: ascospores germinating on MEA 2 % within 24 - 48 h. Colonies flat, spreading, with sparse aerial mycelium, reverse concolour with agA.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
FFC06A5C2E64B5BAFECC3FE4202C808E.taxon	materials_examined	Specimens examined. Austria: Oberoesterreich: St. Willibald, on dead culms of Phragmites australis, 10 July 2016, H. Voglmayr, (MA-Fungi 91738, AP 191017). Italy: Sicily: casa de la Monache, on dead culms of Phragmites australis, 16 July 2016, H. Voglmayr (MA-Fung 91740, APVog 2). Portugal: Viana do Castelo: Valenca do Minho, on dead culms of Phragmites australis, 10 Jan. 2018, A. Pintos (AP 10118 A). Spain: Balearic Islands: Mallorca, Esporlas, on dead culms of Arundo donax, 13 July 2017, A. Pintos (MA-Fungi 91735, AP 13717). Ibidem., 29 July 2017, A. Pintos (AP 29717). Palma de Mallorca, on Ampelodesmos mauritanicus, 11 July 2017, A. Pintos (MA-Fungi 91737, AP 11717 A). Palma de Mallorca, on dead culms of Phragmites australis, 26 July 2017, A. Pintos (MA-Fungi 91739, AP 261017).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
F2416FFB3FE5E23D01EFA65E960FA0E0.taxon	etymology	Etymology. Named after Piptatherum, the host plant from which it was first isolated.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
F2416FFB3FE5E23D01EFA65E960FA0E0.taxon	diagnosis	Diagnosis. Asexual morph: Mycelium consisting of smooth, hyaline, branched, septate hyphae measuring 1 - 4 µm in diameter. Conidiophore mother cells hyaline to brown, aggregated in clusters or solitary on hyphae, ampuliform, cylindrical or doliform, 4 - 11 x 2 - 5 µm, growing above one or several hyaline cylindrical cells. Conidiophore reduced to a conidiogenous cell. Conidiogenous cells basauxic, polyblastic, sympodial, cylindrical, discrete, sometimes branched, smooth-walled, measuring 6 - 27 x 2 - 5 μm (n = 25). Conidia globose to ellipsoidal, pale brown to brown, with a thin hyaline germ-slit, 6 - 8 x 3 - 5 μm (n = 30). Sterile cells eloganted, brown, sometimes mixed among conidia, 13 - 16 x 4 - 5 μm (n = 30). Culture characteristics: on MEA 2 %, colonies flat, spreading, with sparse aerial mycelium, reverse concolour with agar.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
F2416FFB3FE5E23D01EFA65E960FA0E0.taxon	materials_examined	Type. Spain: Balearic Islands: Mallorca: Llucmajor, on dead stems of Piptatherum miliaceum, 4 Aug. 2017, A. Pintos (MA-Fungi 91745 holotype, AP 4817 A isotype, CBS 145149 ex-type culture).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
96FAC0248B8903B9548C00CEC12C6F7C.taxon	description	Description. Asexual morph: Mycelium consisting on smooth hyaline, branched, septate hyphae measuring 1.5 - 5 µm in diameter. Colonies are small, rounded or ovoid, dark brown, 50 - 400 µm in diameter. Conidiophore mother cells subspherical, lageniform or barrel-shaped, 4 - 5 x 3 - 5 µm (n = 30). Conidiophores cylindrical, straight or flexuous, septate, hyaline excepting for the thick brown or dark brown transversal septa, 20 - 140 x 3 - 4 µm (n = 30). Conidiogenous cells cylindrical, occurring between the conidiophore septa, 0.9 - 1.8 µm. Conidia dark brown, smooth, polygonal with rounded angles to hemispherical, measuring (8 -) 9 - 11 (- 12) x 8 - 9 µm, with one or two concentric pale rings. Sterile cells spherical, triangular or polygonal, with refractive bodies inside, paler than conidia, 6 - 9 µm in diameter. Culture characteristics colonies flat spreading on MEA 2 %, with moderate aerial mycelium, reverse whitish, no esporulate on culture.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
96FAC0248B8903B9548C00CEC12C6F7C.taxon	materials_examined	Specimens examined. Germany: Berlin: Koepenick, Stellingdamm, on dead leaves of Carex arenaria, 26 April 2017, R. Jarling (MA-Fungi 91746, AP 26418).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
197E6B6085B6CCBA62FADD0160275EB7.taxon	description	Description. Asexual morph: Mycelium consisting on smooth hyaline branched hyphae, 2 - 5 µm in diameter. Colonies oval to irregular, dark blakish brown, 300 - 1200 x 150 - 650 µm. Conidiophore mother cells sub-cylindrical, hyaline to pale brown, measuring 5 - 7 x 5 - 7 µm (n = 20). Conidiophores straight to flexuous, cylindrical, hyaline except for the thick brown to dark brown transversal septa, 30 - 130 x 2 - 4 µm (n = 20). Conidia brown, smooth, lemon-shaped in face view, measuring (10 -) 11 - 14 (- 15) x (5 -) 6 - 8 (- 9) µm (n = 45), triangular with the outer edge curved and rounded angles in side view, measuring 5 - 8 µm thick. Sterile cells paler than conidia, subspherical or triangular, 5 - 8 µm wide. Culture characteristics: on MEA 2 % colonies cottony, white with grey patches, reverse pale grey.	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
197E6B6085B6CCBA62FADD0160275EB7.taxon	materials_examined	Specimens examined. Spain: Balearic Islands: Mallorca, Escorca, on dead leaves of Juncus sp., 21 Feb. 2018, A. Pintos 21218 (MA-Fungi 91749).	en	Pintos, Angel, Alvarado, Pablo, Planas, Juan, Jarling, Rene (2019): Six new species of Arthrinium from Europe and notes about A. caricicola and other species found in Carex spp. hosts. MycoKeys 49: 15-48, DOI: http://dx.doi.org/10.3897/mycokeys.49.32115, URL: http://dx.doi.org/10.3897/mycokeys.49.32115
