cattail family (Typhaceae)
narrow-leaved cattail (Typha angustifolia) -- in June -- Redwing Marsh Natural Area, Fort Collins, CO green & brown
narrow-leaved cattail (Typha angustifolia) -- in August -- Jewell Wetlands Park, Denver Area, CO
broadleaf cattail (Typha latifolia) -- in June -- entrance to Bobcat Ridge Natural Area, Fort Collins, CO green & brown
