BioStor
Pilea pumila (L.) Gray
 | Coccidae (scale insects) of Japan S I Kuwana (1902) Proceedings of the California Academy of Sciences 3: 43-98 |
 | A review of the American moths of the genus Cosmopteryx H|bner August Busck (1906) Proceedings of The United States National Museum 30: 707-713 |
 | Microlepidoptera of Tenerife Lord Walsingham (1907) Proceedings of the Zoological Society of London 1907: 911-1034 |
 | An ecological study of prairie and forest invertebrates C Adams (1915) Bulletin of the Illinois State Laboratory of Natural History 11: 33-280 |
 | The genera of the Urticaceae in the southeastern United States N G Miller (1971) Journal of the Arnold Arboretum 52: 40-68 |