Edmund Russow an authority on Sphagnaceae (sphagnum mosses) and remembered for his research in plant anatomy and histology, in particular studies of the plant family Marsileaceae (aquatic and semi-aquatic ferns). The plant genus "Russowia" is named in his honor, as is "Sphagnum russowii" (Russow's sphagnum). Edmund Russow Edmund August Friedrich Russow (24 February 1841 – 11 April 1897) was a Baltic German biologist born in Tallinn (), in present-day Estonia. Son of a military engineer, Edmund Russow studied at the Universities of Tartu () and Berlin. In 1867 he became an associate professor at Dorpat, where from 1874 to 1897, he served
Types of plant oils means of extracting essential oils. In this process, used, for example, to extract the onion, garlic, wintergreen and bitter almond essential oil, the plant material is macerated in warm water to release the volatile compounds in the plant. Types of plant oils Plant oils or vegetable oils are oils derived from plant sources, as opposed to animal fats or petroleum. There are three primary types of plant oil, differing both the means of extracting the relevant parts of the plant, and in the nature of the resulting oil: Vegetable fats and oils are what are most commonly called vegetable oils.