- Bryonora castanea, Biatora castanea;Lecanora castanea, Lecanora castanea var pruinosa;Lecidea castanea
- Lepicolea pruinosa, Lepicolea herzogiana;Sendtnera pruinosa;Sentnera aequabilis;Sentnera pruinosa
- Metcalfa pruinosa, Citrus flatid planthopper;Floury mothbug;Flata pruinosa;Poeciloptera pruinosa;Ormenis pruinosa;Melormenis pruinosa;Poeciloptera farinosa Walker, 1858;Melormenis cubana Metcalf & Bruner, 1948
- Peritassa pruinosa, Sicyomorpha pruinosa;Salacia pruinosa
- Pleurothallis pruinosa, Waxy bonnet orchid;Humboldtia pruinosa;Stelis flavida
- Rinodina hallii, Lecanora exigua f pruinosa
- Sarcogyne regularis, Sarcogyne pruinosa auct brit;Biatorella pruinosa;Sarcogyne pruinosa
- Scoliciosporum pruinosum, Bacidia pruinosa
- Telaranea pruinosa, Lepidozia pruinosa
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