"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.
Expand 1 item
Ward's® Live Novosphingobium capsulatum (Flavobacterium capsulatum) Culture
Capsules produced in milk. Psychrophilic (prefers low temperatures), produces yellow pigments.
Expand 1 item
Ward's® Live Mycobacterium phlei Culture - PATHOGEN
This pathogenic organism is sometimes isolated from hay and grass.
Expand 1 item
Ward's® Live Alcaligenes faecalis Culture
A Common Intestinal Flora Isolate, Demonstrates Alpha Hemolysis on Blood Agar Growth Medium
Expand 1 item
Synedra
Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.
Characterized by shells (tests) made of silica, in two parts.
Expand 1 item
Cladophora
Marine. Filamentous; freely branched. Erdschreiber’s medium.
Characterized by green plastids and cell walls composed of cellulose.
Expand 1 item
Aspergillus niger
Deuteromycete. “Black mold”. Produces citric acid. Common airborne contaminant. Causes aspergillosis. Incubation temperature 25°C. Sabouraud dextrose agar growth medium.
Expand 2 item
Rhizopus stolonifer (nigricans) (-)
Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (+) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.
Expand 2 item
Ward's® Merismopedia
Freshwater. Colonial. Sheet of many cells one cell thick. Soil-water medium.
Shipped in a form that provides the best quality specimen. Most are supplied in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars.
Expand 1 item
Nostoc, Filamentous
Freshwater. Filamentous. Unbranched, contorted filaments. Basic culture solution.
Shipped in a form that provides the best quality specimen. Most are supplied in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars.
Expand 1 item
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.
Expand 1 item
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.
Expand 4 item
Ward's® Live Bacillus licheniformis Culture
All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

