Taxon - Odkazy a literatura
poddruh
Pierella helvina incanescens Godman & Salvin, 1877
Illustrated Lists of American Butterflies 9-III-2024 [Pierella_helvina_incanescens_a]
Warren, A. D., K. J. Davis, E. M. Stangeland, J. P. Pelham, K. R. Willmott & N. V. Grishin: Illustrated Lists of American Butterflies [http://butterfliesofamerica.com/] [jako Pierella helvina incanescens Godman & Salvin, 1877]
Datum citace: 6. leden 2025