Marigold - blossom with hover fly - medicinal plant (Calendula officinalis) (Syrphus spec.)

calendula syrphus bloom blooming blooms blossom blossoms botanic botany flies flora floristic floristics flower flowering flowers fly format garden homeopathy homoeopathy horizontal hover insect insects marigold marigood medical medicinal medicine nature naturopathy officinalis pharmaceutics plant plants pot spec