Synonymy:
Lichen fascicularis L., Mant. Pl. 1: 133 (1767)
Collema fasciculare (L.) F.H. Wigg. [as 'fascicularis'], Prim. fl. holsat. (Kiliae): 89 (1780)
Collema fasciculare (L.) F.H. Wigg., Prim. fl. holsat. (Kiliae): 89 (1780) var. fasciculare
Parmelia fascicularis (L.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 239 (1803) var. fascicularis
Parmelia fascicularis (L.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 239 (1803)
Enchylium fasciculare (L.) Gray, Nat. Arr. Brit. Pl. (London) 1: 398 (1821) var. fasciculare
Enchylium fasciculare (L.) Gray, Nat. Arr. Brit. Pl. (London) 1: 398 (1821)
Parmelia nigrescens var. fascicularis (L.) Schaer., Lich. helv. spicil. 11: 526 (1842)
Parmelia rupestris var. fascicularis (L.) Schaer., Lich. helv. spicil. 11: 529 (1842)
Collema rupestre var. fasciculare (L.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 51 (1845)
Collema nigrescens var. fasciculare (L.) Flot., Linnaea 23: 197 (1850)
Collema vespertilio var. fasciculare (L.) Flot., Linnaea 23: 160 (1850)
Lathagrium fasciculare (L.) A. Massal., Memor. Lich.: 92 (1853)
Collema rupestre f. fasciculare (L.) Bosch, Prodr. fl. Batav., Fungi: 167 (1853)
Synechoblastus fascicularis (L.) A.L. Sm., Monogr. Brit. Lich., Edn 2 1: 61 (1918)
Arctomia fascicularis (L.) Otálora & Wedin, Lichenologist 45(3): 302 (2013) var. fascicularis
Arctomia fascicularis (L.) Otálora & Wedin, Lichenologist 45(3): 302 (2013)
Gabura fascicularis (L.) P.M. Jørg., Lichenologist 46(4): 594 (2014) var. fascicularis

Collema fasciculare var. aggregatum Ach., Lich. Univ.: 640 (1810)
Collema aggregatum (Ach.) Röhl., Deutschl. Fl. (Frankfurt) 3(2): 149 (1813)
Enchylium fasciculare var. aggregatum (Ach.) Gray, Nat. Arr. Brit. Pl. (London) 1: 398 (1821)
Synechoblastus aggregatus (Ach.) Th. Fr., Nova Acta R. Soc. Scient. upsal., Ser. 3 3: 380 (1861) [1860]
Gabura aggregata (Ach.) Kuntze, Revis. gen. pl. (Leipzig) 2: 875 (1891)
Lathagrium aggregatum (Ach.) M. Choisy, Bull. mens. Soc. linn. Soc. Bot. Lyon 21: 169 (1952)

Lathagrium ascaridosporum A. Massal., Memor. Lich.: 93 (1853)
Synechoblastus ascaridosporus (A. Massal.) Zwackh, Flora, Regensburg 45(36): 568 (1862)
Collema ascaridosporum (A. Massal.) Degel., Symb. bot. upsal. 13(no. 2): 1-499 (1954)

Collema fasciculare var. colensoi C. Bab., in Hooker, Bot. Antarct. Voy. Erebus Terror 1839-1843, II, Fl. Nov.-Zeal.: 309 (1855)
Synechoblastus aggregatus var. colensoi (C. Bab.) Müll. Arg., J. Linn. Soc., Bot. 32: 198 (1896)
Collema aggregatum var. colensoi (C. Bab.) Zahlbr., Cat. Lich. Univers. 3: 33 (1924) [1925]
Arctomia fascicularis var. colensoi (C. Bab.) de Lange, Index Fungorum 343: 1 (2017)
Gabura fascicularis var. colensoi (C. Bab.) de Lange & M. Ford, Index Fungorum 446: 1 (2020)

Synechoblastus microcarpus Müll. Arg., Flora, Regensburg 65(19): 292 (1882)
Collema microcarpum (Müll. Arg.) Shirley, Lich. Fl. Queensland 4: 183 (1890)
Collema fasciculare var. microcarpum (Müll. Arg.) Degel., Symb. bot. upsal. 20(no. 2): 191 (1974)
Arctomia fascicularis var. microcarpa (Müll. Arg.) de Lange, Index Fungorum 343: 1 (2017)
Gabura fascicularis var. microcarpa (Müll. Arg.) de Lange & M. Ford, Index Fungorum 446: 1 (2020)

Position in classification:
Gabura, Arctomiaceae, Arctomiales, Ostropomycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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