What are ways species exchange genes with each other? Hybridization and gene flow are shortcuts to biodiversity that don’t always involve differentiation.

What are your go-to plants?" "Look up native Asters (Symphyotrichum), Goldenrods (Solidago), and Sunflowers (Helianthus) species. They are the most important wildflowers for pollinators.

Asters and native sunflower species in the Helianthus family follow closely behind goldenrod. Smooth blue aster ...