See journal articles on the cultivation of these cactuses, and get details on the different species, crosses, and hybrids.
Learn how to cultivate and propagate these cactuses, or view an annotated gallery.
Examine one agave grower's cross-referencing system or check out the personal collection list. Also offers a history of agaves.
Click for a full-sized drawing or photograph of the plant and flower. Includes a written description of the plant.
Find answers to questions concerning the cultivation of aquatic plants. Research growing methods, nutrients, and fertilizer.
Browse through a glossary of terms related to aquatic, wetland and invasive plants. Provided by the University of Florida-based APIRS.
University of Florida offers photos and descriptions of aquatic and wetland plants that are invasive. Listed by scientific and common name.
Plant grows in areas of extreme darkness alternating with extreme sunlight. Find an image of its flower and read its typical measurements.
Includes an enlargeable and detailed sketch of this blue-green grass. Find photographs and its typical specifications.
Find specifics on this grass that grows both in water and on land. Provides close-up photographs to assist in identification.
Florida native plant is often found on wetlands and other marshy areas. Find photos of their brown, cylindrical flower spikes.
Find out how this submersed plant is rooted to the floor of streams and ponds. Find a sketch, a photograph, and a technical description.
Plant is submersed in the water and has no roots. Learn how it got its name from its tail-like appearance.
Melocactus reference guide provides a species list with links to individual photographic examples.
Indiana University offers photos and descriptions of diatoms and other algae, a collection of links, and excerpts from the Diatom-L mailing list.
Features water lilies and marginals, most of them hardy enough for pond gardens in cold-weather climates.
Conspicuous flowers make it easy to find this plant in the wild. Find photographs and a drawing of the lance-shaped leaves.
English and German guide to this genus of cactus. Find complete species lists, literature guides, and the specimen of the month.
Browse the species directory, search a catalog, or sign up to receive email updates on the state of the Epiphyllum genera.
Find an image of the simple, white flower on this submersed plant. Examine the drawing for a detailed view of the stems and leaves.
Plant grows in ponds, swamps, marshes, and on the banks of streams. View photos of its delicate flowers, and find a technical sketch.
Large list of variegated species features links to photos and location information. Essays in English and Czech are available.
Native of Florida, this plant is both a floating and a rooted aquatic plant. Click on the enlargeable photographs and the drawing.
Check out this horticultural resource that links to glossaries, mailing lists, publications, plant lists and photo tours of gardens.
Find close-up photographs and sketches of this floating plant. Read a picture and link to other Lemna species.
Found in all kinds of bodies of water, this plant grows underwater and reaches the surface to form a dense covering. Includes photographs.
Learn about the specifics of this pondweed and about some of the 80 species of other pondweeds. Incudes photographs.
Find general plant information, fertilizer advice, technical maintenance suggestions, and assorted help and care guides.
Learn about conservation efforts, consult cultivation tips, or view images to help identify cactus types.
Includes a technical sketch and photos of the flowers and leaves of this plant, the stems of which can grow up to 12 feet tall.
Plant with bottlebrush flowers often found in marshy areas and around wetlands. Find a photograph of the flowers, stalks, and leaves.
Find a species list and descriptions of aquatic plants indigenous to the Midwest. View photos, and study vital statistics for each plant.
Check an encyclopedia article about this aquatic flower and find links to related topics and resources.
History, classification, species lists, photographs, and bibliographies for this genus of cactus.
Find photos and a drawing of this partially submerged plant that also trails along the embankment of ponds. Includes plant specifics.
Growing both in swamps and on lawns, this grass is a favorite food of ducks and other water fowl. Learn about the plant's stems and leaf blades.
Guide to water gardening includes advice on plants, pond maintenance, and keeping outdoor fish such as koi. Shop for plants and equipment.
Forum devoted to aquatic plants and the design, construction and maintenance of ponds.
Center for Culture of Marine Plankton offers a searchable database, details on culturing plankton, and instructions for ordering cultures.
Growing in both saline and freshwater, these plants have clusters of spiky brown flowers. Find close-up photographs and other Juncus species.
Includes photographs of some of the 40 different species of this submersed plant. View a technical sketch for identification purposes.
Otherwise known as white-top sedge, this conspicuous plant has a set of leaves on top that look like a flower. View photos and a sketch.
Floating ferns resemble waterlilies without flowers. Find photographs, read a detailed description, and review a sketch.
Considered a herb, this plant is common in slow-moving or still freshwater. See a selection of anatomically descriptive photographs.
Learn about this floating plant through photographs and sketches. Find particulars about its size, shape, and roots.
Discover the technical details about this grass that provides cover for fish. Find various photographs and a technical sketch.
Very common plant has weaving stems that help form a dense mat on the water surface. Find photographs and an anatomical drawing.
Growing in marshy areas, this plant flowers in all seasons except winter. Find photographs, sketches, and a descriptive passage.
Floating-leaved plant covers the surface of the water, but its roots anchor in the mud. Includes photographs of the flower and the oval leaves.
Find water garden and pond supplies, plants, pumps, cyprio biological filters, ultraviolet sterilizers, as well as design ideas and advice.
Found both in and out of water, this plant was brought to Florida from the Pacific Islands. Find details on its leaf style and size.
Found in shallow water or marshy areas, this plant has an erect stem. Includes a detailed description of its characteristics.