Titlebook: Natural History of the Phlox Family; Systematic Botany Verne Grant Book 1959 Springer Science+Business Media Dordrecht 1959 botanics.botany

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arthroplasty

Morphology,dy of characters, and excluding for the moment his other occupations such as field work and nomenclature, the taxonomist is a pioneering comparative morphologist. He explores a large territory, more or less superficially by later standards, and opens it up for the more thorough and intensive activit

Conserve

按等级

Salivary-Gland

HIKE

Chromosome Numbers,ristics of the tropical and temperate genera are conspicuously different; that the basic chromosome numbers in the temperate genera are X = 7, 8 and 9; and that each basic number tends to be constant within a major taxonomic group such as a genus or subgenus. Subsequent cytological explorations in t

–FER

Phylogeny,truction of a hypothetical evolutionary history from the comparative study of recent forms. So different are the methodologies of the two approaches that it has been questioned whether the same term phylogeny should be used for both (Simpson 1953: 214). Nevertheless the ultimate purpose of the inves

Toxoid-Vaccines

Phytogeography,phytogeographic edifice can be only as strong as its taxonomic foundations. We should know both the strength and the weakness of this foundation so that we can evaluate the reliability of the phytogeographic conclusions.

sclera

红润