Panicum Rigidum (Paperback)

High Quality Content by WIKIPEDIA articles! Panicum rigidum is a species of grass in the Poaceae family. It is found only in Yemen. Its natural habitats are subtropical or tropical dry shrubland and rocky areas.Poaceae (formerly known as Gramineae) is a family in the Class Liliopsida (the monocots) of the flowering plants. Plants of this family are usually called grasses, or, to distinguish them from other graminoids, true grasses; the shrub- or tree-like plants in this family are called bamboo (there are also herbaceous, non-woody bamboos). There are about 600 genera and some 9,000-10,000 or more species of grasses (Kew Index of World Grass Species)