Edelweiss
Hermann Eisenbeiss
Flowering Dogwood X-ray #2
Ted Kinsman
Sunflowers
Bill Bachmann and Photo Researchers
Northern Bayberry
John Kaprielian
Passion Flower, X-ray #5
Ted Kinsman
Foggy Coast Redwood Forest #5
Gregory G. Dimijian, M.D.
Parasitic Dodder Plant
Garry DeLong
Giant Sequoias #1
Gregory G. Dimijian, M.D.
Passion Flower, X-ray #3
Ted Kinsman
Giant Sequoias #5
Gregory G. Dimijian, M.D.
Lemon Harvest
Inga Spence
Ragweed Pollen
Eye of Science
Common Juniper Alchemy Plant
Science Source
Germinating Marijuana Seed, Cannabis
Ted Kinsman
Flowering Dogwood, X-ray
Ted Kinsman
Peristeria Elata
Millard H. Sharp
Camp Sign In Winter
John Shaw
Passion Flower, X-ray #2
Ted Kinsman
Poppies Flowering
Inga Spence
Moss Plant
Robert Knauft / Biology Pics
Ground Cayenne Pepper
Scimat
Romaine Lettuce #2
Inga Spence
Mandrake Root Alchemy Plant #4
Science Source
Female And Male Mandrake, Alchemy Plant
Science Source
Anethum Graveolens-Dill
Science Source
Giant Sequoias
Gregory G Dimijian MD
X-ray Of Jack-in-the-pulpit
Ted Kinsman
Leaf Stomata, Lm
Ted Kinsman
Chloroplast Tem #2
Biology Pics
Coffee-Medicinal Plant-1737
Science Source
Perennial Flax Flowers
Inga Spence
Giant Sequoias #9
Gregory G. Dimijian, M.D.
Holly Medicinal Plant 1737
NLM Science Source
Passion Flower, X-ray
Ted Kinsman
Sargassum Seaweed, X-ray #3
Ted Kinsman
White Lily, Medicinal Plant, 1737
Science Source
Germinating Marijuana Seed, Cannabis #3
Ted Kinsman
Composting Leaves #1
Scimat
Golgi Apparatus Tem #3
Biology Pics
Neuropteris Fossil #1
Theodore Clutter
Ghost Orchid #1
Hal Horwitz
Milkweed Pod And Seeds
John W. Bova
Fuchsia Windchime Flowers
Alan and Linda Detrick and Photo Researchers
Red Mulberry
Science Source
Mandrake Root, Alchemy Plant #1
Science Source
X-ray Of A Rose #2
Ted Kinsman
X-ray Of Blooming Lilac
Ted Kinsman
Mistletoe Medicinal Plant 1737
Science Source
Black-eyed Susans #1
William H. Mullins
Hibiscus Stem #1
Garry DeLong
Pacific Rhododendron #1
Gregory G. Dimijian, M.D.
Valley Oak Tree
John Shaw
Rosemary, Medicinal Plant, 1737
Science Source
Fig Tree, Medicinal Plant, 1737
Science Source
Stinging Nettle, Medicinal Plant, 1737
Science Source
Guinea Pepper, Medicinal Plant, 1737
Science Source
Scarlet Oak, Medicinal Plant, 1737
Science Source
Female Peony, Medicinal Plant, 1737
Science Source
Ohio Buckeye #2
Ted Kinsman
Open Stoma, Wandering Jew
Ray Simons
Plant Mitochondrion Tem #7
Biology Pics
Centaurea Montana, Bachelors Button #1
Science Source
Sapele Mahogany Wood
M I Walker
Volvox Globator Algae Lm
M I Walker