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Anglický jazyk
Schneider, A: Text-Book of General Lichenology
Excerpt from A Text-Book of General Lichenology: With Descriptions and Figures of the Genera Occurring in the Northeastern United States
The systematic arrangement of the families and genera here pro posed is by no means perfect, yet it is hoped that...
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Excerpt from A Text-Book of General Lichenology: With Descriptions and Figures of the Genera Occurring in the Northeastern United States
The systematic arrangement of the families and genera here pro posed is by no means perfect, yet it is hoped that some progress has been made toward establishing a natural system. The fact that most arrangements heretofore proposed had little scientific basis is due to the lack Of knowledge of the morphology and physiology of these plants. Even now our methods of physiological investigation are too imperfect to allow us to Obtain any satisfactory data in regard to the life-history of the individual lichen. Until our methods of investigation are more perfect, all systems of classification must Of necessity be more or less artificial and subject to changes.
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- Vydavateľstvo: Forgotten Books
- Formát: Paperback
- Jazyk: Anglický jazyk
- ISBN: 9781334225413
