62 résultats pour : botany

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Student in greenhouse

GLS23A02_336

Student in greenhouse

Poinsettia in Ornate Ceramic Pot

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Poinsettia in Ornate Ceramic Pot

Desert Plant Stalks

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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

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Poppy and Stalks

Pink Pincushion Flower on Blue

GLS19A04_161

Pink Pincushion Flower on Blue

Poppy Stem Shadows

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Poppy Stem Shadows

Hazy Poppies

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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

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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

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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

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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

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

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

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

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

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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

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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

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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

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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

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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

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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

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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

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

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

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

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

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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

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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

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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

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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

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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...