Rhodora Rhododendron Canadense
Andrew J. Martinez
Parasitic Dodder Plant
Garry DeLong
Wild Carrot Root Section
M. I. Walker
California Poppies And Red Owl Clover
Brenda Tharp
Rare Desert Snow On Saguaro Cactus #7
Craig K. Lorenz
Geranium Regal Rose Bicolor #2
Bonnie Sue Rauch
Live Oak At The Alamo, Texas
Ron Sanford
Geranium Regal Rose Bicolor
Bonnie Sue Rauch
Zinnia Flower, X-ray #4
Ted Kinsman
Wild Lupine Lupinus Sp
Ron Sanford
Rare Desert Snow On Saguaro Cactus #8
Craig K. Lorenz
American Chestnut
Ted Kinsman
Azure Bluets
John W. Bova
Pumpkin Root Section
M. I. Walker
Balsamroot in Snow
Hal Horwitz and Photo Researchers
Jerusalem Artichoke #2
Tim Holt
California Poppy
Dennis Flaherty
Red Snapdragon
John Kaprielian
Monocot & Dicot Stems
Gary Retherford
Waterlily Opening Part Of A Series #8
Ted Kinsman
Cactus Flower
Raul Gonzalez Perez
Fireweed Chamerion Angustifolium
Ron Sanford
Almond Blossoms
Ron Sanford
Arrowleaf Balsamroot
William H. Mullins
Yellow Fever Tree Acacia Xanthophloea #2
Gregory G. Dimijian, M.D.
Oriental Poppy Papaver Orientale #1
Bonnie Sue Rauch
Florets Of Sunbeam Sunflower
Bonnie Sue Rauch
Primrose Danova Mix #5
Bonnie Sue Rauch
English Rose
Bonnie Sue Rauch and Photo Researchers
Mullein #1
Science Source
Sunflower #2
Science Source
Willow Root Branch
Omikron
Blue Iris Blooming
Ted Kinsman
Cape Blue Waterlily Nymphaea Capensis
Ted Kinsman
Close-up Of Jimsonweed Flower
Ted Kinsman
Thorns On A Rose Stem
Ted Kinsman
Waterlily Opening Part Of A Series #1
Ted Kinsman
Blue Iris Blooming #6
Ted Kinsman
Rose Blooming #1
Ted Kinsman
Red Rose Blooming #1
Ted Kinsman
Waterlily Opening Part Of A Series #4
Ted Kinsman
Blue Iris Blooming #9
Ted Kinsman
Blue Iris Blooming #10
Ted Kinsman
Blue Iris Blooming #11
Ted Kinsman
Rose Blooming #3
Ted Kinsman
Waterlily Opening Part Of A Series #12
Ted Kinsman
Coffee Seedling #1
Ted Kinsman
Blue Iris Blooming #15
Ted Kinsman
Stand Of Oak Trees
Ted Kinsman
Ivy Root Section
M. I. Walker
Basswood Stem
M. I. Walker
Holly Leaf Palisade Cells
M. I. Walker
Buttercup Vascular System
M I Walker
Cucumber Root Section
M. I. Walker
Privet Leaf Vascularization
M. I. Walker
Chia Sprouts
Raul Gonzalez Perez
Chia Seeds
Raul Gonzalez Perez
Oak Vascular Tissue
James M. Bell
Matilija Poppy Romneya Couteri
Ron Sanford
Rhododendron Blossom
Ron Sanford
Coulters Matilija Poppy Romneya Coulteri #1
Ron Sanford
Kiwi Blossom Actinidia Chinensis
Ron Sanford
Honeybee At Coulters Thistle
Ron Sanford