California Lilac (Ceanothus thyrsiflorus) (1935) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2624531/free-illustration-image-lilac-blue-flowersFree Image from public domain licenseHand drawn blooming plants png botanical illustration set https://www.rawpixel.com/image/2629760/free-illustration-png-flower-sticker-watercolorView licenseCalifornia lilac blossom png illustration hand drawn https://www.rawpixel.com/image/2624570/free-illustration-png-lilac-blue-flower-watercolorView licenseHand drawn wild plants png botanical illustration set, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2674908/free-illustration-png-lilac-flowers-lilyView licenseVintage California lilac flower psd illustration floral drawing https://www.rawpixel.com/image/2624551/premium-illustration-psd-lilac-vintage-blue-flowers-wild-flowerView licenseThe Bureau of Land Management photo. Original public domain image from Flickr https://www.rawpixel.com/image/3398163/free-photo-image-allium-amaryllidaceae-animalsFree Image from public domain licenseVintage blue vector California Lilac, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2670786/premium-illustration-vector-blue-flower-lilac-ceanothusView licenseLilac Street, Mission District. Rent fifteen dollars a month for three rooms. San Francisco, California. Sourced from the… https://www.rawpixel.com/image/12246818/photo-image-sky-road-public-domainFree Image from public domain license