The image panel below provides a more detailed illustration of how Amazonian timber varies spatially by genus and value.
Barbara J. Barton's Gardening By Mail, available in book form or online at www.virtualgarden.com has an excellent listing of plant societies organized by genus.
The magisterial conifers, grouped by genus, are particularly notable; among them are sequoias and cedars, firs and pines and spruces of the types that clothe the nearby mountains.
A chart shows how meteorologists classify clouds by genus, species and variety, the way biologists classify flora and fauna.
He invented the system of classification by which every living species now gets its two-part scientific name, by genus and species — for instance, Homo sapiens, a name Linnaeus coined.
John Bartram corresponded about his findings with his European colleagues, including Karl von Linne (Carolus Linnaeus), who created the double-name system for classifying plants and animals by genus and species.
Outside of about a half-dozen experts across the country, very few people can efficiently identify bees by genus, much less by species.
Charring preserves this material, which in turn allows identification by genus and sometimes species, as well as other forms of qualitative and quantitative analysis.
The topological evolution of pore structure was characterized by genus and Euler characteristic.
This is a classic definition by genus and differentia.
These are forests dominated by genus Eucalyptus, Corymbia, Lophostemon, Syncarpia and Angophora.
