Taylor observed that a golden 144° symmetric binary tree with four additional copies rotated by 72° around the bottom of the trunk will form a "golden Koch snowflake" with their branch tips. [Proof]
Taylor, Tara. "Excursions through a Forest of Golden Fractal Trees", in The Beauty of Fractals: 6 Different Views, eds. Denny Gulick and Jon Scott, Mathematical Association of America, 2010. [Excerpts available at Google Books]