November 9, 2013 28 Days of Autumn: Day 19 ~ Yellow Poplar (tulip poplar) ‘Magnoliaceae’— San Rafael, CA Marin County. Leave a comment 28 Days of Autumn Day 19 ~ Yellow Poplar (tulip poplar) ‘magnoliaceae’— San Rafael, CA Marin County. Day 19 ~ Yellow Poplar (tulip poplar) ‘Magnoliaceae’ Share this:TwitterFacebookPinterestLike this:Like Loading... Related Posted by mace707 in Gardens & Flowers, Marin County, Sonoma County Tagged: autumn, Fall, leaf peeping, magnoliaceae, Marin County, San Rafael, tulip tree, Yellow Poplar