Basionym: Clavaria contorta Holmsk., Beata ruris otia fungis danicis 1: 29 (1790) [MB#246103] Obligate synonyms: - Clavariadelphus fistulosus var. contortus Corner, Annals of Botany Memoirs 1: 273 (1950) [MB#351990] - Macrotyphula fistulosa var. contorta (Holmsk.) Nannf. & L. Holm, Publications from the Herbarium University of Uppsala 17: 8 (1985) [MB#117526] - Clavaria fistulosa var. contorta (Holmsk.) Höhn., Österreichische Botanische Zeitschrift 54 (12): 425 (1904) [MB#499562] - Clavariadelphus contortus (Holmsk.) Pilát (?) [MB#537531] - Typhula contorta (Holmsk.) Olariaga, Mycotaxon 121: 40 (2012) [MB#516730] Taxonomic synonyms: - Clavaria ardeniae Sowerby, Coloured Figures of English Fungi 2: 90, pl. 215 (1799) [MB#535679] - Clavaria fistulosa Holmsk., Beata ruris otia fungis danicis 1: 15 (1790) [MB#241524] - Macrotyphula fistulosa (Holmsk.) R.H. Petersen, Mycologia 64 (1): 140 (1972) [MB#317106] - Clavariadelphus fistulosus (Holmsk.) Corner, Annals of Botany Memoirs 1: 272 (1950) [MB#294976] - Clavariella fistulosa (Holmsk.) P. Karst., Revue Mycologique Toulouse 3 (9): 21 (1881) [MB#468805] - Eriocladus fistulosus (Holmsk.) Lév., Annales des Sciences Naturelles Botanique 5: 159 (1846) [MB#469096] - Typhula fistulosa (Holmsk.) Olariaga, Mycotaxon 121: 41 (2012) [MB#516731] - Clavaria fistulosa f. rigens Fr., Systema Mycologicum 1: 479 (1821) [MB#847612] - Pistillaria alnicola Peck, Annual Report on the New York State Museum of Natural History 42: 125 (1889) [MB#226061] - Clavaria macrorhiza Sw., Kungl. Svenska Vetenskapsakad. Handl.: 135, t. 6:1 (1811) [MB#211263] - Clavaria tuberosa Sowerby, Coloured Figures of English Fungi 2: 84, pl. 199 (1799) [MB#462395] - Ramaria tuberosa (Sowerby) Gray, A natural arrangement of British plants 1: 655 (1821) [MB#471138] - Calocera tuberosa (Sowerby) Fr., Systema Mycologicum 3: 67, index (1832) [MB#255735] - Clavaria pilosa Pers., Commentatio de Fungis Clavaeformibus: 74 (1797) [MB#253971] - Clavaria rigens Holmsk., Beata ruris otia fungis danicis 1: 15 (1790) [MB#468767] - Clavaria pilipes Vahl, Fl. danica 7: f. 1100: 3 (1794) [MB#142473] - Clavaria fistulosa Fr., Systema Mycologicum 1: 479 (1821) [MB#491156] - Clavaria strigosa Schumach., Enumeratio Plantarum, in Partibus Sællandiae Septentrionalis et Orientalis Crescentium 2: 403 (1803) [MB#473608] - Clavaria ardenia Sowerby (1799) [MB#201614]