Wood Lilies (Lilium philadelphicum, also known as Philadelphia Lily, Prairie Lily or Western Red Lily) among the feathery leaves of evergreen ferns. The Wood Lily is very showy perennial plant, widespread across North America, in all Canadian provinces, which blooms at moist woods and meadows. The Western Red Lily (Lilium philadelphicum andinum) is an emblem on the flag of a province Saskatchewan in Canada.