Green Algae Collection

Coelosphaeridium, calcareous alga

Harbor seal, Phoca vitulina 1, green algae, Acetabularia acetabulum 2 and seaweed, Fucus species 3
FLO4652737 Harbor seal, Phoca vitulina 1, green algae, Acetabularia acetabulum 2 and seaweed, Fucus species 3. A shark or sea calf, Phoca vitulina, marine plant Acetabulum, sea linden

Green algae, Draparnaldia hypnosis, Draparnaldia in forma d Ipno
6338424 Green algae, Draparnaldia hypnosis, Draparnaldia in forma d Ipno by Corsi (19th century); (add.info.: Green algae, Draparnaldia hypnosis, Draparnaldia in forma d Ipno)

Green algae, Chara haitensis
6338223 Green algae, Chara haitensis by Stanghi (19th century); (add.info.: Green algae, Chara haitensis, Cara di Haiti. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus)

Green algae Spongodium species
6337799 Green algae Spongodium species by Stanghi (19th century); (add.info.: Green algae species, Spongodium elongatum, Spongodium obtusatum and Spongodium cristatum)

Plate 24 Staurastrum Desmidiea from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919)
5615741 Plate 24 Staurastrum Desmidiea from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919) by Haeckel

Mites, 1833-39 (coloured engraving)
999053 Mites, 1833-39 (coloured engraving) by French School, (19th century); Private Collection; (add.info.: A Dictionnaire pittoresque d histoire naturelle et des phenomAnes de la natureA, 1833-39)

Funnel shaped, curly, bright green leaves of Ulva sp. Sea Lettuce

Golgi apparatus, TEM C017 / 8234
Golgi apparatus. Transmission electron micrograph (TEM) of Golgi apparatus from a Chlamydomonas sp. alga. Golgi are membrane-bound organelles that modify and package proteins

A series of lava rock pools are situated just off the southern end of Lake Turkana, northern Kenyas Jade Sea. The colour of the water is caused by extreme alkalinity in which green algae with a high

Seaweed, selection of marine benthic algae

A microscope image of a desmid

Scenedesmus algae, SEM C014 / 1461
Scenedesmus algae. Coloured scanning electron micrograph (SEM) of Scenedesmus sp. algae. Scenedesmus is a nonmotile colonial green algae that has its cells arranged in a row

Algae cell wall, SEM
Algae cell wall. Coloured scanning electron micrograph (SEM) of cellulose microfibrils (strands) in a Chaetomorpha sp. algal cell wall

Ciliate protozoan ingesting algae. Darkfield illuminated light micrograph of a ciliate protozoan ingesting green algae (green)

Ciliate protozoan, light micrograph
Ciliate protozoan. Darkfield illuminated light micrograph of a ciliate protozoan, showing green algae (green) that it has ingested

Scenedesmus algae, SEM C014 / 1462
Scenedesmus algae. Coloured scanning electron micrograph (SEM) of Scenedesmus sp. algae. Scenedesmus is a nonmotile colonial green algae that has its cells arranged in a row

Green algae, light micrograph C014 / 4670
Green algae. Differential interference contrast micrograph of a single green alga, showing the chloroplast (green) inside. Algae use the chloroplasts to produce food through photosynthesis

Ciliate protozoan, light micrograph C014 / 4676
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Ciliate protozoan, light micrograph C014 / 4667
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Algae-covered gravestone. Orange-coloured filamentous green algae (Trentepohlia aurea) growing on a gravestone. Photographed in Culbone, Exmoor, Somerset, UK, in March

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

Entromorpha clathrata, seaweed

Codium tomemtosus, seaweed
Plate 35 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Ulva pavonia, alga
Plate 15 from Drawings of Submerged Algae (1800) by Mary Dawson Turner. Held in the Botany Library at the Natural History Museum, London

Ulva lingulatam, alga
Plate 11 from Drawings of Submerged Algae (1800) by Mary Dawson Turner. Held in the Botany Library at the Natural History Museum, London

Asperoccus turneri, seaweed
Plate 59 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Raphiidonema faringdone, calcareous sponge
A vase-shaped calcareous sponge with numerous small canals from the Cretaceous of Berkshire, England

Eutrophication in a flooded field. Muddy pool on a pathway running through a field of grazing cattle. The run-off of water contains urine and soluble dung and is ideal for the growth of algae

Lichen-covered rocks. Lichens on scree rocks on a mountainside. Lichens are organisms formed by the symbiotic association of a fungus and a green alga or cyanobacterium

Whiteworm lichen (Thamnolia vermicularis) on rocks. Lichens are organisms formed by the symbiotic association of a fungus and a green alga or cyanobacterium

Ringed Plover on a lichen-covered rock
Ringed plover (Charadrius hiaticula), on a lichen-covered rock. Photographed on the Isle of Jura in the Inner Hebrides, Scotland, in July

Algal colony, light micrograph. Colony of the green freshwater alga Coleochaete sentata. The whole plant is a disc composed of filaments packed close together, branching out from the centre

Spirogyra algae, light micrograph
Spirogyra algae. Light micrograph of filaments from a Spirogyra sp. alga, showing its spiralling bands of chloroplasts (green). Central nuclei (round) are also seen in each cell

Spirogyra algae
Spirogyra algal strand. Confocal light micrograph of a filament of Spirogyra sp. green algae. This alga forms slimy threads called " water-silk" or " mermaids tresses" in stagnant

Green algae, Caulerpa racemosa and black durgon, Melichthys niger, schooling, St. Peter and St
Andre Seale / SplashdownDirect

Split image of rocks and green algae, Caulerpa racemosa, St. Peter and St. Pauls rocks, Brazil, Atlantic
Andre Seale / SplashdownDirect

Snorkeler and green algae, Caulerpa racemosa, St. Peter and St. Pauls rocks, Brazil, Atlantic Ocean
Andre Seale / SplashdownDirect

Green algae, Caulerpa racemosa, St. Peter and St. Pauls rocks, Brazil, Atlantic Ocean
Andre Seale / SplashdownDirect

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Green algae, also known as chlorophytes, are a diverse group of photosynthetic organisms that play a crucial role in aquatic ecosystems. One fascinating example is Coelosphaeridium, a calcareous alga found in marine environments. Another noteworthy species is Draparnaldia hypnosis, which exhibits hypnotic-like formations resembling the letter "D" when viewed under a microscope. Chara haitensis is another type that thrives in freshwater habitats and forms dense underwater meadows. Spongodium species, on the other hand, are commonly found in rivers and lakes with their unique sponge-like appearance. Ernst Haeckel's illustrations from Kunstformen der Natur showcase stunning Staurastrum Desmidiea – intricate green algae with symmetrical patterns reminiscent of works of art. These microscopic organisms reveal nature's exquisite beauty even at its smallest scale. Intriguingly, mites can be seen interacting with green algae in 19th-century colored engravings. This symbiotic relationship highlights the interconnectedness between different life forms within an ecosystem. The sea lettuce (Ulva sp. ) stands out for its funnel-shaped curly leaves that shimmer bright green underwater. It adds vibrant color to coastal areas and serves as food for various marine creatures. Lava rock pools offer a picturesque setting where seaweed thrives alongside other benthic algae varieties. These pools create unique microhabitats supporting diverse marine life forms and showcasing the resilience of these green organisms. Microscope images provide us with glimpses into the intricate world of desmids – single-celled green algae characterized by their symmetrical shapes and elaborate cell walls. Lastly, Scenedesmus algae captured through scanning electron microscopy reveals their delicate structure up close – reminding us once again of nature's incredible intricacy at both macroscopic and microscopic levels.