California is home to a diverse range of flora due to its varied climates and ecosystems. The state features coastal regions, mountains, deserts, and valleys, each supporting unique plant species. Notable examples include the iconic California poppy, the state flower, and the towering coast redwood, the tallest tree species in the world. The Mediterranean climate in many areas allows for a rich variety of plants, including chaparral and oak woodlands. Additionally, California's unique geography contributes to the presence of endemic species, which are plants found nowhere else on Earth, highlighting the state's ecological significance.