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Microscopic view of moss leaf (Plagiomnium affine). Brightfield illumination.

Microscopic view of moss leaf (Plagiomnium affine). Brightfield illumination.

#366318256
Microscopic view of a conidial head of Black mold (Aspergillus niger) with spores. Brightfield illumination.

Microscopic view of a conidial head of Black mold (Aspergillus niger) with spores. Brightfield illumination.

#580750821
Microscopic view of colonial green algae Coelastrum between single-cell algae. Brightfield illumination.

Microscopic view of colonial green algae Coelastrum between single-cell algae. Brightfield illumination.

#466321778
Microscopic view of a cyanobacteria (blue-green algae, Oscillatoria) filaments. Polarized light with crossed polarizers.

Microscopic view of a cyanobacteria (blue-green algae, Oscillatoria) filaments. Polarized light with crossed polarizers.

#466321775
Ancient river paddle steamer on riverside. Ink on paper.

Ancient river paddle steamer on riverside. Ink on paper.

#541381482
Microscopic view of green algae (Cosmarium) cell. Brightfield illumination.

Microscopic view of green algae (Cosmarium) cell. Brightfield illumination.

#466321780
Microscopic view of a potato starch in potato tuber cells. Iodine stain. Brightfield illumination.

Microscopic view of a potato starch in potato tuber cells. Iodine stain. Brightfield illumination.

#366318303
Hops (Humulus lupulus) botanical drawing. Ink on paper.

Hops (Humulus lupulus) botanical drawing. Ink on paper.

#524597024
Microscopic view of peat moss (Sphagnum) detail. Gentian violet stain. Brightfield illumination.

Microscopic view of peat moss (Sphagnum) detail. Gentian violet stain. Brightfield illumination.

#589943893
Microscopic view of peat moss (Sphagnum) leaf detail. Brightfield illumination.

Microscopic view of peat moss (Sphagnum) leaf detail. Brightfield illumination.

#580750708
Microscopic view of Scots pine (Pinus sylvestris) pollen grains. Darkfield illumination.

Microscopic view of Scots pine (Pinus sylvestris) pollen grains. Darkfield illumination.

#369895421
Detail of moss leaf (Plagiomnium affine)

Detail of moss leaf (Plagiomnium affine)

#207178157
guilloche - frame with background

guilloche - frame with background

#1703398
Microscopic view of green algae (Cladophora)

Microscopic view of green algae (Cladophora)

#211670801
Stony footpath over hill. Ink and watercolor on paper.

Stony footpath over hill. Ink and watercolor on paper.

#500535417
Microscopic view of a diatoms (Diatoma) and green algae filaments. Brightfield illumination.

Microscopic view of a diatoms (Diatoma) and green algae filaments. Brightfield illumination.

#466321766
Microscopic view of various species of freshwater algae. Brightfield illumination.

Microscopic view of various species of freshwater algae. Brightfield illumination.

#589944888
Microscopic view of freshwater single-celled green algae (Closterium). Darkfield illumination.

Microscopic view of freshwater single-celled green algae (Closterium). Darkfield illumination.

#583620250
Blank banknote layout

Blank banknote layout

#27006835
Wild garlic plant (Allium ursinum) botanical drawing. Ink on paper.

Wild garlic plant (Allium ursinum) botanical drawing. Ink on paper.

#543373881
Sweet potato (Ipomoea batatas) plant botanical drawing over white background

Sweet potato (Ipomoea batatas) plant botanical drawing over white background

#142400280
Mosquito (Aedes) larva

Mosquito (Aedes) larva

#108473015
Chili pepper (Capsicum annuum) seedling root hair

Chili pepper (Capsicum annuum) seedling root hair

#108471559
Galley. Ink and watercolor on paper.

Galley. Ink and watercolor on paper.

#503052093
Grassy swamp with stream and trees

Grassy swamp with stream and trees

#152399306
Spherical colony of freshwater green algae (Volvox)

Spherical colony of freshwater green algae (Volvox)

#209678073
Rosemary flowering twig (Salvia rosmarinus) botanical drawing. Ink on paper.

Rosemary flowering twig (Salvia rosmarinus) botanical drawing. Ink on paper.

#541381499
Microscopic view of moss rhizoids. Brightfield illumination.

Microscopic view of moss rhizoids. Brightfield illumination.

#580750838
Microscopic view of peat moss (Sphagnum) leaves. Darkfield illumination.

Microscopic view of peat moss (Sphagnum) leaves. Darkfield illumination.

#583620099
Microscopic view of freshwater green algae (Spirogyra) zygospores. Brightfield illumination.

Microscopic view of freshwater green algae (Spirogyra) zygospores. Brightfield illumination.

#583620242
Microscopic view of peat moss (Sphagnum) detail. Darkfield illumination.

Microscopic view of peat moss (Sphagnum) detail. Darkfield illumination.

#580750649
Microscopic view of algae colony (Dinobryon) on green algae filament. Brightfield illumination.

Microscopic view of algae colony (Dinobryon) on green algae filament. Brightfield illumination.

#583620255
Microscopic view of Border forsythia (Forsythia x intermedia) stem cross-section. Polarized light with crossed polarizers.

Microscopic view of Border forsythia (Forsythia x intermedia) stem cross-section. Polarized light with crossed polarizers.

#580750607
Narrowleaf plantain plant (Plantago lanceolata) botanical drawing. Ink on paper.

Narrowleaf plantain plant (Plantago lanceolata) botanical drawing. Ink on paper.

#526922677
Dandelion plant (Taraxacum officinale) botanical drawing. Watercolor on paper.

Dandelion plant (Taraxacum officinale) botanical drawing. Watercolor on paper.

#524597022
Microscopic view of moss leaf (Plagiomnium affine). Darkfield illumination.

Microscopic view of moss leaf (Plagiomnium affine). Darkfield illumination.

#366318265
Galleon on water. Watercolor on paper.

Galleon on water. Watercolor on paper.

#543373870
Garlic plant (Allium sativum) botanical drawing. Ink on paper.

Garlic plant (Allium sativum) botanical drawing. Ink on paper.

#545364310
Carboniferous landscape with Sigillaria and Calamites plants. Watercolor on paper.

Carboniferous landscape with Sigillaria and Calamites plants. Watercolor on paper.

#505605979
The race of sailboats

The race of sailboats

#271968492
Detail of peat moss leaf (Sphagnum)

Detail of peat moss leaf (Sphagnum)

#190054202
Drawing of a English plantain (Plantago lanceolata) plant

Drawing of a English plantain (Plantago lanceolata) plant

#171476418
Detail of moss leaf (Plagiomnium affine)

Detail of moss leaf (Plagiomnium affine)

#108472559
Calligraphy tools. Ink and watercolor on paper.

Calligraphy tools. Ink and watercolor on paper.

#524597277
Red and brown onion (Allium cepa) drawing. Ink and watercolor on paper.

Red and brown onion (Allium cepa) drawing. Ink and watercolor on paper.

#524597021
Grassy coastline. Ink on paper.

Grassy coastline. Ink on paper.

#517851631
Peat moss (Sphagnum)

Peat moss (Sphagnum)

#108471926
Pile of coffee beans (Robusta coffee)

Pile of coffee beans (Robusta coffee)

#108463736
Blinis with cottage cheese

Blinis with cottage cheese

#26610978