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Saguaro cactus needles

GLS25A00_273

Saguaro cactus needles

Large green aloe vera plant

GLS25A00_280

Large green aloe vera plant

Tree branches filled with white cherry blossoms

GLS25A01_075

Tree branches filled with white cherry blossoms

Field of white cherry blossoms

GLS25A01_073

Field of white cherry blossoms

Field of white cherry blossoms

GLS25A01_074

Field of white cherry blossoms

White cherry blossoms

GLS25A01_071

White cherry blossoms

White cherry blossoms

GLS25A01_072

White cherry blossoms

Field of white cherry blossoms

GLS25A01_070

Field of white cherry blossoms

Student in greenhouse

GLS23A02_336

Student in greenhouse

Poinsettia in Ornate Ceramic Pot

GLS20A01_425

Poinsettia in Ornate Ceramic Pot

Desert Plant Stalks

GLS19A05_077

Desert Plant Stalks

Vertical Black & White Poppy Flowers

GLS19A04_165

Vertical Black & White Poppy Flowers

Poppy Side View

GLS19A04_174

Poppy Side View

Black and White Poppy with Gauze

GLS19A04_164

Black and White Poppy with Gauze

Poppy and Stalks

GLS19A04_175

Poppy and Stalks

Pink Pincushion Flower on Blue

GLS19A04_161

Pink Pincushion Flower on Blue

Poppy Stem Shadows

GLS19A04_167

Poppy Stem Shadows

Hazy Poppies

GLS19A04_176

Hazy Poppies

Two Black and White Poppies

GLS19A04_166

Two Black and White Poppies

Shadowed Poppies

GLS19A04_177

Shadowed Poppies

Water Lillies

GLS19A04_096

Water Lillies

Two Black and White Poppy Flowers

GLS19A04_169

Two Black and White Poppy Flowers

Open Poppy Petals

GLS19A04_178

Open Poppy Petals

Orange Poppy Flowers Standing

GLS19A04_160

Orange Poppy Flowers Standing

Black and White Poppy

GLS19A04_168

Black and White Poppy

Open Poppies

GLS19A04_171

Open Poppies

Stalks of Lavender

GLS19A04_180

Stalks of Lavender

Inside a Poppy Flower

GLS19A04_170

Inside a Poppy Flower

Pincushion Flower Buds

GLS19A04_181

Pincushion Flower Buds

Dark Poppies & Bud

GLS19A04_173

Dark Poppies & Bud

Yellow Lily

GLS19A04_182

Yellow Lily

Poppy Bud

GLS19A04_172

Poppy Bud

Orange Poppy Facing

GLS19A04_162

Orange Poppy Facing

Black and White Poppy Dark

GLS19A04_163

Black and White Poppy Dark

Abstract Weed on Sand

GLS19A03_460

Abstract Weed on Sand

Tree Shadow on Rocks

GLS19A03_457

Tree Shadow on Rocks

Grasses and Weeds, Reimaria oligostachya & Paspalum vaginatum, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_204

Grasses and Weeds, Reimaria oligostachya & Paspalu...

Grasses and Weeds, Lygodismia Juncea, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_215

Grasses and Weeds, Lygodismia Juncea, Report of th...

Brown Rot of Cherry, Monilia Fructigena, Plate VI, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_222

Brown Rot of Cherry, Monilia Fructigena, Plate VI,...

Healthy Peach Shoot, Delaware, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_233

Healthy Peach Shoot, Delaware, Report of the Commi...

Grasses and Weeds, Paspalum Distichum, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_205

Grasses and Weeds, Paspalum Distichum, Report of t...

Grasses and Weeds, Plantago Patagonica, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_214

Grasses and Weeds, Plantago Patagonica, Report of ...

Powdery Mildew of the Cherry, Podosphaera Oxycantha, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_223

Powdery Mildew of the Cherry, Podosphaera Oxycanth...

Poplar Leaf Rust, Melampsora Populina, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_232

Poplar Leaf Rust, Melampsora Populina, Report of t...

Grasses and Weeds, Agropyrum Glaucum, Colorado Blue Stem, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_213

Grasses and Weeds, Agropyrum Glaucum, Colorado Blu...

Leaf Blight and Cracking of the Pear, Entomosporium Maculatum, Lev., Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_224

Leaf Blight and Cracking of the Pear, Entomosporiu...

Healthy and Diseased Peaches, Delaware, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_235

Healthy and Diseased Peaches, Delaware, Report of ...

Herman Boerhaave (1668-1738), Dutch Botanist, Chemist, Christian Humanist and Physician, Head and Shoulders Engraving

GLS18A30_347

Herman Boerhaave (1668-1738), Dutch Botanist, Chem...

Grasses and Weeds, Pao Andina, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_212

Grasses and Weeds, Pao Andina, Report of the Commi...

Leaf Blight of Pear, Leaf Spot of Rose, Entomosporium Maculatum, Lev and Cercospora Rosaecola, Pass., Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_225

Leaf Blight of Pear, Leaf Spot of Rose, Entomospor...

Diseased Peach Shoots, Delaware, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_234

Diseased Peach Shoots, Delaware, Report of the Com...

Grasses and Weeds, Beckmannia Erucaeformis, Slough Grass, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_208

Grasses and Weeds, Beckmannia Erucaeformis, Slough...

Tomato Rot, Macrosporium Solani, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_219

Tomato Rot, Macrosporium Solani, Report of the Com...

Plum Pockets, Taphrina Pruni, Tul., Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_226

Plum Pockets, Taphrina Pruni, Tul., Report of the ...

Grasses and Weeds, Anthenantia rufa, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_209

Grasses and Weeds, Anthenantia rufa, Report of the...

Downy Mildew and Rot of Potato, Phytophthora Infestans, Plate II, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_218

Downy Mildew and Rot of Potato, Phytophthora Infes...

Apple Leaf Rust and Cedar Apple, Roestella Pirata, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_227

Apple Leaf Rust and Cedar Apple, Roestella Pirata,...

Grasses and Weeds, Setaria Viridis, Green Foxtail, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_206

Grasses and Weeds, Setaria Viridis, Green Foxtail,...

Downy Mildew and Rot of Potato, Phytophthora Infestans, Plate I, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_217

Downy Mildew and Rot of Potato, Phytophthora Infes...

Apple Rust, Roestelia Pirata, Thax., Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_228

Apple Rust, Roestelia Pirata, Thax., Report of the...

Ivan Vladimirovich Michurin (1855-1935), Russian Horticulturist, created more than 300 Varieties of Fruit Plants, Portrait

GLS18A30_491

Ivan Vladimirovich Michurin (1855-1935), Russian H...

Grasses and Weeds, Oplismenus setarius, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_207

Grasses and Weeds, Oplismenus setarius, Report of ...

Grasses and Weeds, Solanum Triflorum, Wild Potato, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_216

Grasses and Weeds, Solanum Triflorum, Wild Potato,...

Grape Septosporiums, New Grape Disease, Septosporium Fuckelii, Thum, Septosporium Heteroporum, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_229

Grape Septosporiums, New Grape Disease, Septospori...

Leaf-Spot Disease of the Maple, Maple-Leaf Blight, Phyllostica Acericola, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_230

Leaf-Spot Disease of the Maple, Maple-Leaf Blight,...

Leaf-Spot Disease of the Maple, Maple-Leaf Blight, and Sycamore Disease, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_231

Leaf-Spot Disease of the Maple, Maple-Leaf Blight,...

Grasses and Weeds, Amphicarpum purshii, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_210

Grasses and Weeds, Amphicarpum purshii, Report of ...

Brown Rot of Cherry, Monilia Fructigena Pass., Plate V, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_221

Brown Rot of Cherry, Monilia Fructigena Pass., Pla...

Grasses and Weeds, Leersia Virginica, Rice Grass, Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_211

Grasses and Weeds, Leersia Virginica, Rice Grass, ...

Tomato Diseases (Fusarium Solani, Mart., and Cladosporium Fulvum, Cke), Report of the Commissioner of Agriculture, US Dept of Agriculture, Illustration, 1888

GLS18A25_220

Tomato Diseases (Fusarium Solani, Mart., and Clado...