| Cladonia pycnoclada (Pers.) Nyl. J. Linn. Soc., Bot. 9: 244. 1867 ['1866']. |
| |  Cenomyce pycnoclada Pers. in Gaudichaud Voy. Uranie, Bot. 212. 23 Feb 1828 ['1826']. 'Iles Malovines' [Falkland Islands], East Falkland, Port Louis, 1817-1820, C. Gaudichaud 134. |
| | | Lectotype G, Isolectotype PC-Thuret |
| | | : Ahti, T. 1961. Taxonomic studies on reindeer lichens (Cladonia, subgenus Cladina). Ann. Soc. Zool. Bot. Fenn. Vanamo 32(1): 1-160. |
| | Cladina pycnoclada (Pers.) Leight. Ann. Mag. Nat. Hist., ser. 3, 19: 122. Feb 1867. |
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