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Taxonomical and ecological studies in Caltha palustris L. II
TLDR
A survey of the chromosome numbers of 46 Dutch populations was given and two cytotypes of Caltha palustris were found, with slight morphological differences and different ecological preferences.
Jan Ingen-Housz (1730-1799): some new evidence about his life and work.
  • P. Smit
  • Art, Medicine
    Janus; revue internationale de l'histoire des…
  • 1980
Travaux sur les echanges gazeux dans les plantes. Controverses sur des questions de priorite. Senebier, van Breda, B. Franklin, H. D. Gaub. P. van Musschenbroeck.
Taxonomy and pollen morphology of the Caltha leptosepala complex
Contrary to Europe, with only one Caltha species, North America has at least three species of this genus. These are the polymorphic C. palustris L., also widely distributed in Europe, the floating
Taxonomical and ecological studies in Caltha palustris L. (preliminary report)
  • P. Smit
  • Biology, Environmental Science
  • 1967
TLDR
The genus Caltha comprises approximately 12-16 species growing in wet, marshy places in arctic and North and South temperate regions and various authors differ in that opinion with regard to the taxonomic treatment of the many forms.
The history of plant-geographical investigation in the Netherlands
Although the Leiden professor of botany, Vorstius (1633), the Amsterdam pharmacist and merchant, Commelin (1683), and Linnaeus’s friend de Gorter (1745,1767,1781a and 1781b) had made several attempts
Carolus Clusius and the beginning of botany in Leiden University.
  • P. Smit
  • History, Medicine
    Janus; revue internationale de l'histoire des…
  • 1973