"Freeze-Dried Specimens"
Applied Filters
Dictyostelium discoideum, Demonstration Plate
Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp. Found in woodland soil in decomposing vegetation where bacteria are abundant. Incubation temperature 25°C. Plate cultures grown with Enterobacteria as food source; freeze-dried cultures include food source.
Characterized by an amoeboid stage (lacking cell walls) and a fungus-like reproductive structure.
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Synedra
Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.
Characterized by shells (tests) made of silica, in two parts.
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Cladophora
Marine. Filamentous; freely branched. Erdschreiber’s medium.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Ulothrix
Freshwater; unbranched cells with parietal chloroplasts; produces zoospores.
Live Cultures are supplied with media in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars. Fast delivery is available directly from our laboratory. Please specify a delivery date.
Each culture shipment is prepared in our laboratories and includes the "Working with Algae & Cyanobacteria" manual which contains detailed instructions for subculturing and use.
Canadian Customers:
CFIA and PHAC regulations require customers to submit a completed inspection checklist and signed statement of facilities compliance before receiving certain cultures. A customer service representative will contact you if documentation is required.
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Ward's® Live Chlamydomonas reinhardtii Cultures
Demonstrates isogamous reproduction where gametes are similar in appearance and behavior. Make lectures and labs on protist reproduction clearer with our specially selected cultures that illustrate various reproductive phenomona.
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Hydrodictyon
Freshwater. Colonial; net-like structure with multinucleated cells. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Staurastrum
Freshwater. Unicellular; triangular desmid. Basic culture solution. Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Phacus
Freshwater. Unicellular; heart-shaped cell. Soil-water medium.
Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.
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Coccolithophora
Marine. Unicellular; contains same pigments as other Golden Algae but contains haptonema, unique to Haptophyceae. Coccoid, from coccoliths. Marine medium. Characterized by golden yellow plastids.
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Ward's® Tetrahymena
Axenic culture. Food organism. Tetrahymena medium.
Characterized by cilia; nearly all possess two types of nuclei.
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Ward's® Live Amphidinium Culture
Marine; Small Motile Cells with the Transverse Furrow Located Near the Apex.
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Live Physarum polycephalum Culture
This "many-headed" organism is a plasmodial slime mold commonly found in forests on decaying deciduous trees. Available in both plasmodial and sclerotial stages.
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Ward's® Live Chlorella pyrenoidosa Culture
This species of freshwater algae is commonly used for research on photosynthesis.
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Cosmarium
Freshwater. Unicellular; desmid. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Live Volvox globator Culture
Volvox globator is a species of colonial green algae that forms spherical colonies of cells.

