Happy Earth Day! Here’s a rudimentary list of word names representing items in nature. Most of these, if not all of these, have been used as actual names. Some are even currently top 1000 names!
Flowers: Azalea, Rose, Lily, Chrysanthemum, Jasmine, Daisy, Gardenia, Lavender, Lilac, Peony, Poppy, Marigold, Hyacinth, Petunia, Primrose, Violet, Viola, Lantana, Mimosa, Crocus, Zinnia, Tansy, Heather, Iris
Geographic features: River, Ocean, Hill, Lake, Valley, Forest, Meadow
Trees: Juniper, Oak, Sequoia, Maple, Willow
Fruits, Berries and Plants: Ivy, Olive, Holly, Apple, Plum
Animals: Bear, Drake, Kitty, Fox, Bee, Bunny
Gems, Minerals, etc.: Jade, Garnet, Sapphire, Ruby, Emerald, Beryl, Amethyst, Diamond, Pearl, Opal, Galena
Air and Space: Cloud, Moon, Star, Sky
The Well-Informed Namer 
Earth Day offers so much name-inspiration! I especially like your flower section. I’ve always secretly loved the name Zinnia. I think it would make a great human name 🙂
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