At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Fungi | |
| Phylum | Ascomycota | |
| Class | Ascomycetes | |
| Order | Lecanorales | |
| Family | Parmeliaceae | |
| Genus | Usnea |
List of Individual Species - see Taxon profile using the name of the taxa.
| Usnea acromelana | Stirt. | ||
| Usnea arida | |||
| Usnea articulata | |||
| Usnea aurantiaco-atra | (Jacq.) Bory | ||
| Usnea cf. acromelana | |||
| Usnea cf. aurantiaco-atra | |||
| Usnea cf. capillacea | |||
| Usnea cf. igniaria | |||
| Usnea cf. insularis | |||
| Usnea cf. maculata | |||
| Usnea cf. perpusilla | |||
| Usnea cf. sphacelata | |||
| Usnea cf. substrigulosus | |||
| Usnea cf. trachycarpa | |||
| Usnea ciliata | Du Rietz | ||
| Usnea contexta | |||
| Usnea fasciata | Torrey | ||
| Usnea granulifera | (Vain.) Motyka | ||
| Usnea igniaria | Mot. | ||
| Usnea insularis | (M. Lamb.) Dodge | ||
| Usnea maculata | Stirton | ||
| Usnea sp. | |||
| Usnea subantarctica | F.J. Walker | ||
| Usnea torulosa | |||
| Usnea xanthopoga | Nyl. |