November 9, 2013 28 Days of Autumn: Day 19 ~ Yellow Poplar (tulip poplar) ‘Magnoliaceae’— San Rafael, CA Marin County. 28 Days of Autumn Day 19 ~ Yellow Poplar (tulip poplar) ‘magnoliaceae’— San Rafael, CA Marin County. Day 19 ~ Yellow Poplar (tulip poplar) ‘Magnoliaceae’ Posted in Gardens & Flowers, Marin County, Sonoma County Tagged autumn, Fall, leaf peeping, magnoliaceae, Marin County, San Rafael, tulip tree, Yellow Poplar Leave a comment