Table 2: Morphological comparison of the seven Arthrinium species introduced from Thailand Species name Substrate Sexual morph Asexual morph Reference Stromata (long ℅ high) Ascomata (long ℅ high) Asci (米m) Ascospores (米m) Conidiogenous cells (米m) Conidia (米m) A. bambusicola Dead culms of bamboo NA NA NA NA 1.5每4.5 ℅ 1每4 米m, cylindrical, hyaline to light brown, ampulliform. Pleurogenous, solitary, oval to broadly round, or irregularly round, brown to medium brown, guttulate to roughened, granular, in surface view 6每8 ℅ 6每7.8 米m (x? = 6.5 ℅ 7 米m, n = 39), in side view 3.5每6 ℅ 3.5每6.5 米m (x? = 4.5 ℅ 5 米m, n = 39). This study A. chromolaenae Chromolaena odorata NA NA NA NA 6.5每12 ?m ℅ 1每2 ?m, (x? = 8.5 ℅ 1.5 ?m, n = 5). Broadly fliform to ampulliform. 4每6 ℅ 4.5每6.5 ?m, irregular arrangement in pseudo-chains, pale brown to brown, smooth, globose to subglobose (x? =5℅5.5 ?m, n=35). Mapook et al. (2020) A. longistromum Bamboo 5每30 mm℅ 0.25每 0.3 mm regarious, raised, irregularly and sinuously filiform. 140每 280 米m diam, 145每265 米m high,10每30 gregarious in one ascostroma. 70每95 ℅ 15.5每20 米m (x? = 79.7.6 ℅ 18.4 米m, n = 20). 20每30 ℅ 4.5每6.5 米m, without sheath. NA NA Dai et al. (2016) A. paraphaeospermum Bamboo NA NA NA NA 25每30 ℅ 4每6 米m (x? = 27 ℅ 4.7米m), basauxic, conical to ampulliform, 3每5 米m diam. 10每19 米m diam, Sterile cells 20每30 ℅ 9每 13 米m (x? = 24 ℅ 11 米m), forming on solitary loci on hyphae, brown, finely roughened, ellipsoid to clavate. Hyde et al. (2016) A. rasikravindrii Rice 0.8每1.7 mm℅ 0.15每0.2 mm, solitary, fusiform, with a long, broken axis at the top. 100每150 米m high, 200每300 米m diam, 3每5 perithecia immersed within the ascostromata. 70每90 ℅ 15每17.5 米m. 21.5每24.5 ℅ 7每9.5 米m, one large guttule in the centre, surrounded by 3.5每9 米m wide gelatinous sheath attached at both ends. Basauxic, cylindrical, discrete. 7每10 ℅ 4.5每8.5 米m, lenticular, occasionally elongated to ellipsoidal, dark brown. Dai et al. (2016) A. subglobosum Bamboo 1000每3000 米m℅ 150每300 米m, solitary to gregarious, in linear rows, irregular, cells between ascomata and darkened layer above usually 50每200米m thick. 200每350 米m diam, 150每200 米m high, in groups of 3每5. 75每150℅27每36 米m. 24每28℅8.5每12.5米m, overlapping 1每3-seriate, occasionally at an acute angle from the larger cell at the constricted septum, surrounded by 5每8 米m thick gelatinous sheath. NA NA Senanayake et al. ㄗ2015ㄘ A. thailandicum Bamboo 450每990 米m ℅ 150每200 米m, solitary to gregarious 145每160 米m ℅ 250每280 米m. 80每100 ℅ 16每 20 米m, broadly cylindrical to long clavate. 22每30 ℅ 8每12.5 米m, surrounded by 3每5 米m wide gelatinous sheath attached, at both ends. 11.5每39 ℅ 2每3.5 米m (x? = 26.7 ℅ 2.6 米m, n = 20), basauxic, polyblastic, sympodial, cylindrical, discrete. 5每9℅5每8 米m, occasionally elongated to ellipsoidal, dark brown. Dai et al. ㄗ2016ㄘ