Oryza glaberrima conditions, filling, and has a distinct nutty flavour. It is also grown for cultural reasons; for instance, it is sacred to awasena followers among the Jola people, and is a heritage variety in the United States. Crossbreeding between African and Asian rice is difficult, but there exist some crosses. Humans have independently domesticated two different rice species. African rice was domesticated from wild African rice, "Oryza barthii", while Asian rice ("Oryza sativa"), was domesticated from wild Asian rice, "Oryza rufipogon". "Oryza barthii" still grows wild in Africa, in a wide variety of open habitats. The Sahara was formerly wetter, with
Rissoina oryza Rissoina oryza Rissoina oryza is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae. The height of the small, white shell attains 2 mm. The shell has an oblong-ovate shape. It is solid, smooth, and shining, The spire is moderately elevated, and rather rapidly tapering. The apex is obtuse. The 6-7 whorls are flatly convex. The body whoprl is rather large, and slightly compressed beneath. The suture is faintly impressed and broadly margined beneath. The rather large aperture is oblique and has a sub-ovate shape. The thick peristome is dilated. The columella is