Alga Collection

Dictyota dichotoma
Cyanotype photograph by Anna Atkins, one of the first natural history photographers. From British Algae: Cyanotype Impressions, 1853. Date: 1853

Discosphaera tubifera, coccolithophore
Scanning electron microscope (SEM) showing the unicellular planktonic algae Discosphaera tubifera from the North Atlantic surrounded by a sphere of calcite plates - coccoliths

Fucus bulbosus, kelp
Plate 161 from Fuci, or coloured figures and descriptions of the Plants referred by botanists to the genus Fucus (1808-1819), Volume III, by Mary Dawson Turner

Fucus radiatus, kelp

Macrocystis pyrifera, giant kelp
Giant kelp, also known as kelp forest, seaweed and sea grass. Specimen annotated as Macrocystis pirifera from South Africa, held at the Natural History Museum, London

Acanthoica acanthifera, coccosphere
Scanning electron microscope (SEM) image of a coccosphere, collected in the North Atlantic (x 25, 000 on negative). Artificially coloured by computer

Coelosphaeridium, calcareous alga

Diatoms
Selected slide of a group of fossil diatoms collected from Bori, Hungary in September 1895 and viewed under the light microscipe using differential interfereance contrast

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

Algae

Chondrus crispus
Cyanotype photograph by Anna Atkins, one of the first natural history photographers. From British Algae: Cyanotype Impressions, 1853. Date: 1853

Amphiroa orbignyana, coralline red algae
Amphiroa algae specimen collected by Charles Darwin, held in Sir William Hookers private collection of preserved plant and algal specimens, Herbarium Hookeranium

Emiliania huxleyi coccolithophores collected from a bloom in the SW Approaches to the English Channel in June 2004. Date: 2004

Pressed seaweed book full of mounted seaweeds collected by women living in Jersey during the 1850s and 1860s

Coccolith
Scanning electron microscope (SEM) image of a Folkestone chalk surface with Cretaceous coccoliths (x2500 on a standard 9 cm wide print)

Chlamydomonas nivalis, Red snow alga - Red snow alga (Chlamydomonas nivalis) and unidentified fungal spores. Colour print based on watercolour by Franz Bauer, 1819

Syracosphaera anthos
Coccosphere from the Western Mediterranean. False coloured to show the shell is formed of inner and outer layers of coccoliths with very different structure

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

Pontosphaera japonica. A coccolithophore with relatively large, flat, coccoliths. Collected from off Hawaii. Specimen diameter 22m. False-coloured SEM image

Calyptrolithophora papillifera, holococcolith
An SEM of a holococcolith, a nano-fossil, with flat top

Iridaea edulis, seaweed
Plate 78 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. 1834-1840

Mesogloia multifida, seaweed
Plate 98 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt. Vol. 2 1834-1840

Entromorpha clathrata, seaweed

Punctaria plantaginea, seaweed
Plate 206 from Algae Danmonienses : or dried specimens of Marine Plants, principally collected in Devonshire by Mary Wyatt 1834-1840

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

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