Aeonium, the tree houseleeks, is a genus of about 35 species of succulent, subtropical plants of the family Crassulaceae. Many species are popular in horticulture. The genus name comes from the ancient Greek αἰώνιος / aiōnios (ageless). While most of them are native to the Canary Islands, some are found in Madeira, Cape Verde, Morocco, in East Africa and Yemen.
Funaria is a genus of approximately 210 species of moss. Funaria hygrometrica is the most common species. Funaria hygrometrica is called “cord moss” because of the twisted seta which is very hygroscopic and untwists when moist. The name is derived from the Latin word “funis”, meaning "a rope". In funaria root like structures called rhizoids are present.
Lycopodium clavatum is the most widespread species in the genus Lycopodium in the clubmoss family.
Rehmannia is a genus of seven species of flowering plants in the order Lamiales and family Orobanchaceae, endemic to China. It has been placed as the only member of the monotypic tribe Rehmannieae, but molecular phylogenetic studies suggest that it forms a clade with Triaenophora. Contrary to the immense majority of the taxa of Orobanchaceae, Rehmannia is not parasitic.
Caldesia is a genus of aquatic plants. It includes three living species widespread across Europe, Asia, Africa and Australia. The genus "has an extensive Oligocene through Pleistocene fossil record in Eurasia," and has been found in fossil strata of the United States as well. Ten fossil species have been described for the genus.
Anthemis arvensis, also known as corn chamomile, mayweed, scentless chamomile, or field chamomile is a species of flowering plant in the genus Anthemis, in the aster family. It is used as an ornamental plant.
Karl Friedrich Reiche was a German botanist who worked as a university professor in Chile and Mexico.
Halodule is a genus of plants in the family Cymodoceaceae described as a genus in 1841. It is widespread on tropical and semi-tropical ocean shores of all continents except Europe and Antarctica.
Setchellanthus caeruleus is a species of pungent shrub with large blue flowers. It is placed alone in the genus Setchellanthus, which is in turn, is placed alone in the family Setchellanthaceae. It is endemic to Mexico.
Carlo Luigi Spegazzini, in Spanish Carlos Luis Spegazzini, was an Italian-born Argentinian botanist and mycologist.
The Pottiaceae are a family of mosses. They form the most numerous moss family known, containing nearly 1500 species or more than 10% of the 10,000 to 15,000 moss species known.
Burmannia is a genus of flowering plants long thought of as related to orchids, although more recent studies suggest closer affinities with either the Dioscoreales or the Melanthiales. The plants are herbs, partially autotrophic (photosynthetic) but also partially parasitic on soil fungi.
Limnobium, common names spongeplant and American frogbit, is a group of aquatic plants in the Hydrocharitaceae described as a genus in 1814. It is widespread in freshwater environments in Latin America, the West Indies, and the United States.
Campylopus is a genus of 180 species of haplolepideous mosses (Dicranidae) in the family Leucobryaceae. The name comes from the Greek campylos, meaning curved, and pous, meaning foot, referring to the setae which curve downwards.
Hypericum virginicum, the marsh St. Johns-wort or Virginia marsh St. Johnswort, is a species of flowering plant in the family Hypericaceae. It is native to the central and eastern United States and eastern Canada.
Timmiellaceae is a family of haplolepideous mosses (Dicranidae). It contains two genera, Luisierella and Timmiella, that were formerly place in family Pottiaceae.
Rhynchostegium is a genus of pleurocarpous mosses belonging to the family Brachytheciaceae. The genus has a cosmopolitan distribution across different climatological regions except the polar regions, mostly in tropic to north temperate regions. The genus contains both aquatic and terrestrial species. The genus was named for their rostrate opercula. The type species of this genus is Rhynchostegium confertum (Dicks.) Schimp.
Kindbergia is a genus of mosses belonging to the family Brachytheciaceae.
Herzogiella is a genus of mosses belonging to the family Hypnaceae.
Sandbergia is a genus of flowering plants belonging to the family Brassicaceae. They are also in the Boechereae Tribe.
