M. ferruginea

M. ferruginea may refer to:
 * Malthonica ferruginea, a spider species found in Europe
 * Mapania ferruginea a plant species found in Cameroon and São Tomé and Príncipe
 * Menziesia ferruginea, the rusty menziesia, a flowering plant species
 * Muscicapa ferruginea, the ferruginous flycatcher, a bird species found in Bangladesh and Bhutan
 * Myrmeciza ferruginea, the ferruginous-backed antbird, a species of bird found in Brazil and French Guiana

Synonyms

 * Macalla ferruginea, a synonym for Salma pyrastis, a moth species found in the south eastern quarter of Australia
 * Mesua ferruginea, a synonym for Kayea ferruginea, a plant species