Alga Collection (page 7)

Paramecium bursaria protozoan, light micr
Paramecium bursaria protozoan, differential interference contrast light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Blue green algae stigonema, LM C013 / 5286
Light micrograph using differential interference contrast microscopy (DIC) of the filamentous blue-green algae (group name Cyanophycophyta), called stigonema

LM of the red algae, Plumaria elegans C013 / 5279
Plumaria algae. False color light micrograph of part of the finely branched thallus of the red algae Plumaria elegans (family: Florideophycidae)

Hamelin Pool Marine Nature Reserve, Shark Bay, Western Australia. This area is famous for its stromatolites, mineralised microbial communities formed from cyanobacteria (blue-green algae)

Pink salt, Australia
MODEL RELEASED. Pink salt. Woman holding pink salt that has evaporated out of a salt lake. The pink colour is caused by the microscopic algae Dunaliella salina, which produces a red pigment

Pink salt lake, Australia
Pink salt lake. Pink salt that has evaporated out of a salt lake. The pink colour is caused by the microscopic algae Dunaliella salina, which produces a red pigment

Pink lake, Australia
Pink lake. The colour of this salt lake is caused by the microscopic algae Dunaliella salina, which produces a red pigment. Photographed near Port Gregory, Western Australia

Diploneis diatom, SEM C013 / 5110
Diploneis diatom, coloured scanning electron micrograph (SEM). Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

Coccolithophorid plankton, SEM C013 / 5109
Coccolithophorid plankton. Coloured scanning electron micrograph (SEM) of the external mineralised structure (coccosphere) of a small marine algal organism called a coccolithophore

LM of the colonial diatom Fragillaria sp
Light micrograph of the diatom Fragillaria sp.. The filaments seen here are simple colonies of Fragillaria. They consist of a stack of diatoms which have failed to separate following cell division

Colonial alga, Dinobryon
Light micrograph of a branching colony of the golden- brown alga Dinobryon sp.. The colony is composed of single-celled algae, each of which secretes a fine, transparent

Melosira filamentous diatom alage, LM
Melosira sp. diatoms. Light micrograph of filamentous strands of the freshwater diatom alga Melosira sp.. Diatoms are single-celled algae that form cell walls made of silica

SEM of blue-green algae
Blue-green algae. Coloured scanning electron micrograph (SEM) of Oscillatoria sp. filamentous blue-green algae. Blue-green algae are considered to be one of the most primitive organisms

Oscillatoria blue-green alga
Light micrograph of Oscillatoria sp. (brown strands), a filamentous blue-green alga or cyanobacterium. The strands of alga are in fact linear colonies of primitive, single-celled

Diatom algae, Campylodiscus
Diatoms. Coloured scanning electron micrograph of the diatom Campylodiscus hibernicus. The diatoms are a distinctive group of single-celled algae containing about 10, 000 species

Colonial freshwater diatoms
Light micrograph of assorted freshwater diatoms. The rectangular, broken filaments seen here are simple colonies. They consist of a chain of diatoms which have failed to separate following cell

Light micrograph of assorted diatoms. The diatoms are a distinctive group of single-celled algae containing about 10, 000 species

Chlamydomonas sp. algae, SEM
Green algae. Coloured scanning electron micrograph (SEM) of two Chlamydomonas sp. green algae. These single-celled organisms are aquatic, living in freshwater habitats

Green alga, Micrasterias
Micrasterias alga. Coloured scanning electron micrograph (SEM) of the desmid Micrasterias sp.. The desmids are a group of freshwater unicellular green algae characterised by their intricately- shaped

Conjugating spirogyra
Light micrograph showing conjugating filaments of Spirogyra, a green alga which forms slimy threads in stagnant or slow moving water

LM of Chlorella surrounded by bacteria
Light micrograph of Chlorella sp. a unicellular green alga which inhabits freshwater ponds and lakes. The non-motile, globular cells may be solitary or aggregated into groups as seen here

LM of conjugating filaments of Spirogyra
Light micrograph showing conjugating filaments of Spirogyra sp. a green alga which forms slimy threads in stagnant or slow moving water

Filaments of Spirogyra alga
Light micrograph of filaments of Spirogyra, a green alga which forms slimy threads called water- silk" or " mermaids tresses" in stagnant or slow moving water

Crab's Eye Lichen - UK
DAC-820 Crab's Eye Lichen UK Ochrolechia parella David Chapman Please note that prints are for personal display purposes only and may not be reproduced in any way

Scyphosphaera apsteinii. SEM image of an equatorial coccolith

Model of coccolith Kamptnerius magnificus
Copy of the resin model of the coccolith Kamptnerius magnificus Deflandre, 1930 currently on display in the Earth Lab area of the Earth Galleries at the Natural History Museum, London

Usnea inflata, beard lichen
And Hypogymnia physodes (right), Burnham Beeches, Bucks, W. London. The former is a recent colonist following reductions in SO2 pollution

Ceratolithoides aculeus, coccolith
Scanning electron microscope image of an isolated coocolith from Cretaceous chalk. These are thin calcite shells protecting the coccolithophore within

Chorda filum, sea lace
Cut out of mounted specimen of sea lace or Dead mans rope. A brown seaweed, this specimen is 14.5 feet long and held at the Natural History Museum, London

Florosphaera profunda, coccolith
Scanning electron microscope image of a complete sphere of coccoliths from modern oceans. These are thin calcite shells protecting the coccolithophore within

Proterozoic ocean floor
A restoration of Proterozoic ocean floor with bun-shaped stromatolites

Nine molluscs, including bivalves and gastropods
Watercolour 391 by the Port Jackson Painter, entitled Kow-er-ring, Kow-ill, Kaa-din, Wal-gan, from the Watling Collection

Dumontia contorta, seaweed

Scinaia forcellata, seaweed
Cut out of specimen of marine alga or seaweed collected by Holmes in Enoura, Japan. Specimen is held in the Crypt. Herbarium at the Natural History Museum, London

Emiliania huxleyi coccosphere
Coccosphere of Emiliania huxleyi from the Western Mediterranean. E. huxleyi is one of the most widespread species on earth

Desmarestia ligulata, seaweed
Page 55 from Algae Danmonienses: or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt; carefully named according to Dr. Hookers British Flora

Amphitetras, diatom
Scanning electron microscope (SEM) image showing the diatom Amphitetras with its ornate silica shell (x5000 on a standard 9 cm wide print). Coloured artificially by computer

Frontispiece of Catalogue Raisonne d une collection
Illustration by Francois Boucher from the book Catalogue Raisonne d une collection by Edme Francois Gersaint, 1744

The pond in the Wildlife Garden. Photographed by Derek Adams. Published in Wildlife Garden by Roy Vickery, 2004 page 35

Ciliate plankton
Scanning electron microscope image of a ciliate showing clearly the microscopic hairs or cilia that they use for movement and feeding (x 700)

Fucus vesiculosis, bladderwrack
Illustration from Botany Library Plate Collection at the Natural History Museum, London. By Leopald Trattinick, 1825

Coccoliths
Scanning electron microscope (SEM) image of coccoliths, these are the limestone scales surrounding the marine phytoplankton coccolithophores

Acanthoica acanthifera

Spiral axis of Archimedes, bryozoan
Archimedes, was a bryozoan possibly living in association with an alga. From the Lower Carboniferous limestone, Iowa, USA. c. 350-330 million years old

Coccolithus pelagicus
Coccosphere of Coccolithus pelagicus, a common cold water coccolithophore. Collected from the British Continental shelf, North West of Scotland. Specimen diameter 15m. False-coloured SEM image

Florisphaera profunda
A coccolithophore with highly modified, plate-like coccoliths. This is a very common deep dwelleing species, typically living at about 100-150m depth in the water column

Ophiaster formosus
A coccolithophore with long appendages formed of strings of highly modified coccoliths. Collected from the West Pacific. Specimen diameter 50m. False-coloured SEM image

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"Discovering the Intricate Beauty of Algae: From Ernst Haeckel's Art to 19th-Century Cyanotypes and SEM Images" Immerse yourself in the captivating world of algae, as we delve into its mesmerizing artistry and scientific wonders. Ernst Haeckel, a renowned biologist and artist, showcases the delicate intricacy of diatom algae through his stunning illustrations. These masterpieces reveal the symmetrical beauty hidden within these microscopic organisms. Step back in time with pressed seaweed specimens C016 / 6127 from centuries ago. Preserved meticulously, they offer a glimpse into the diverse forms and colors that algae can take on. The cyanotype technique used during the 19th century captures their essence in ethereal blue hues, adding an enchanting touch to their already fascinating nature. Calcareous phytoplankton observed under scanning electron microscopy (SEM) unravels another layer of algal marvels. Discosphaera tubifera, a coccolithophore species adorned with intricate calcium carbonate plates, showcases nature's architectural genius at work. Dictyota dichotoma emerges as a striking example of brown algae thriving along coastlines worldwide. Its branching structure creates an artistic spectacle underwater while providing essential habitats for marine life. Diatoms continue to amaze us with their geometric patterns when viewed under SEM imaging techniques. Their microscopic beauty is unveiled through meticulous detailing that reveals their remarkable diversity and ecological significance. Venturing further into aquatic realms, Fucus bulbosus or kelp stands tall as one of nature's giants beneath ocean waves. This majestic alga plays a crucial role in coastal ecosystems by offering shelter to numerous marine organisms. Pond life surprises us with its vibrant assortment of microorganisms where diatoms once again steal the show under SEM imaging techniques. Their intricate designs resemble miniature works of art floating amidst water bodies' tranquility.