A. ferruginea

A. ferruginea may refer to:
 * Abarema ferruginea, a legume species
 * Acacia ferruginea, a legume species found only in Sri Lanka
 * Aegiphila ferruginea, a plant species endemic to Ecuador
 * Albizia ferruginea, a plant species found in Angola, Benin and Cameroon
 * Aniba ferruginea, a plant species endemic to Venezuela
 * Anisophyllea ferruginea, a plant species found in Brunei, Indonesia and Malaysia
 * Azbukinia ferruginea, a fungus species