Pteridium aquilinum var. pubescens Underwood

Pteridium aquilinum var. pubescens Underwood is a synonym sensu FNA Ed. Comm., 1993 of:

Pteridium aquilinum subsp. pubescens (Underw.) J.A. Thomson, Mickel & Mehltreter, an accepted subspecies name sensu Hassler, 2014-2024+.