Urs Eggli, Eduardo Marchesi, Mauricio Bonifacino, Reto Nyffeler
The most recent treatments of the family Cactaceae for Uruguay are that of Arechavaleta (1905), Osten (1941), and Herter (1953–55). While the globular members of the family (Parodia [including...
Reto Nyffeler, Urs Eggli, Matt Ogburn, Erika Edwards
The succulent life form is a tried and true strategy for plants living in arid environments. It has evolved in many distantly related lineages comprising 12,500 species from 70 flowering plant...
A New Species of Parodia (Cactaceae, Notocacteae) from Rio Grande do Sul, Brazil (2008)
Marlon C. Machado, Reto Nyffeler, Urs Eggli
A new species, Parodia gaucha M. Machado & Larocca (Cactaceae, Notocacteae), from Encruzilhada do Sul, Rio Grande do Sul, Brazil, is described and illustrated. The new species is morphologically very...
Contributions to the systematics of the tribe Notocacteae Buxbaum (Cactaceae) / (1997)
Thesis (doctoral)--Universität Zürich, 1997.
Comparative Stem Anatomy and Systematics ofEriosyce sensu lato(Cactaceae) (1997)
The genusEriosyceas circumscribed by Kattermann (Succulent Plant Research1: 1–176, 1994) comprises six subsections with 33 species and 38 heterotypic infraspecific taxa and is restricted in...
In recent applications of discrete choice models of labour supply considerable attention has been devoted to strategies to increase the flexibility of models for a better fit to the data. These...
Berufliche Weiterbildung in der Schweiz
Michael Gerfin, Robert E. Leu, Reto Nyffeler
Berufliche Weiterbildung spielt in der modernen Arbeitswelt eine zentrale Rolle bei der Entwicklung der beruflichen Fähigkeiten von Arbeitnehmern und hat daher potentiell grosse Auswirkungen auf...