Basionym: Clavaria brachiata Batsch, Elenchus fungorum. Continuatio prima: 233, t. 28:163 (1786) [MB#195903] Obligate synonym: Isaria brachiata (Batsch) Schumach., Enumeratio Plantarum, in Partibus Sællandiae Septentrionalis et Orientalis Crescentium 2: 443 (1803) [MB#208579] Taxonomic synonyms: - Tilachlidium pinnatum Preuss, Linnaea 24: 127 (1851) [MB#157291] - Isaria filiformis Wallr., Flora Cryptogamica Germaniae 2: 307 (1833) [MB#161009] - Hirsutella ramosa Mains, Mycologia 41 (3): 308 (1949) [MB#287031] - Tilachlidium ramosum (Mains) Mains, Mycologia 43: 714 (1952) [MB#282963] - Tilachlidium setigerum Malençon, Bull. soc. Hist. nat. afr. N: 148 (1953) [MB#306831] - Corethropsis epimyces Massee (1885) [MB#206395] - Isaria intricata Fr., Systema Mycologicum 3: 278 (1832) [MB#164317] - Tilachlidium subulatum A.L. Sm., Transactions of the British Mycological Society 3: 122 (1909) [MB#171483] - Isaria citrina Pers., Icones et Descriptiones Fungorum Minus Cognitorum 1: 9, tab. 3 figs 1-2 (1798) [MB#204724] - Isaria agaricina Pers., Commentatio de Fungis Clavaeformibus: 111 (1797) [MB#207581]