Odontonia

Odontonia, abbreviated as Odtna in horticultural trade, is a genus of orchids (family Orchidaceae) of two orchid genera Miltonia and Odontoglossum (Milt × Odm).

Wahlenbergia

Wahlenbergia is a genus of between 150-270 species of flowering plants in the family Campanulaceae, with a cosmopolitan distribution except for North America; the highest species diversity is in Africa and Australasia. Wahlenbergia species... more >>>

Elymus (wild rye)

Elymus is a genus of perennial grasses in the tribe which contains many of the main cereal grains. Plants of this genus are known generally as wild rye or wheatgrass. There are at least 150 species in this genus.

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Elodea

Elodea is a genus of aquatic plants often called the water weeds. Elodea is native to North America and it is also widely used as aquarium vegetation. The introduction of some species of Elodea into waterways in parts of Europe, Australia,... more >>>

Gerbera

Gerbera is a genus of ornamental plants from the sunflower family (Asteraceae). It was named in honor of the German naturalist Traugott Gerber, a friend of Carolus Linnaeus.

It has approximately 30 species in the wild, extending... more >>>

Mammillaria

The genus Mammillaria is one of the largest in the cactus family (Cactaceae), with currently 171 known species and varieties recognized. Most of the mammillarias are native to Mexico, but some come from the southwest USA, the Caribbean,... more >>>