Small white flower of sandwort growing out of a rock in the grass

Close up of a person&#39;s finger holding a small white mushroom

Ring-billed gull (Larus delawarensis) standing on the edge of a pier

Close up of a person&#39;s hand holding a branch of a tree with white…

Close up of a forget-me-not flower with its delicate blue petals and…

Fritillary flower in the middle of a forest

Person&#39;s hand holding a large

Tree trunk with lichen growing on it

Blue tit perched atop a sunflower