Saxifraga pensylvanica var. forbesii (Vasey) Engler & Irmscher

Saxifraga pensylvanica var. forbesii (Vasey) Engler & Irmscher is a synonym sensu FNA Ed. Comm., 2009 of:

Micranthes pensylvanica (Linnaeus) Haworth, an accepted species name sensu FNA Ed. Comm., 2009.