| Citation | Smithsonian Institution, 2016 Pseudodrifa nigra (Pourtalès). http://collections.si.edu/search/results.htm?q=Pseudodrifa%09nigra [Accessed 08/08/2016]. |
| Ref. | 110417 Smithsonian Institution, 2016 |
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| Named Used as Valid | Pseudodrifa nigra |
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