common grape vine

common ground

common gum cistus

common heath

common hop

common hops

common horehound

common horsetail

common hyacinth

common iguana

common iliac artery

common iliac vein

common ivy

common jasmine

common juniper

common kingsnake

common knowledge

common laburnum

common lady's-slipper

common land

common law

common lettuce

common lilac

common limpet

common logarithm

common louse

common lynx

common mackerel

common madia

common maidenhair