Search for dissertations about: "lichen"

Showing result 16 - 20 of 68 swedish dissertations containing the word lichen.

2. 16. Nitrogenase regulation and ultrastructure of heterocystous cyanobacteria : free-living and in lichen symbiosis

   Author : Lars Hällbom; Uppsala universitet; []
   Keywords : NATURAL SCIENCES; NATURVETENSKAP;

   Abstract : .... READ MORE

4. 17. Structures and syntheses of lichen xanthones

   Author : Göran Sundholm; Uppsala universitet; []
   Keywords : NATURAL SCIENCES; NATURVETENSKAP;

   Abstract : .... READ MORE

5. 18. The lichen genus Candelariella in western North America

   Author : Martin Westberg; Biologiska institutionen; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; phylogeny; ITS rDNA; Systematic botany; taxonomy; morphology; phytogeography; chemotaxonomy. Physiology of nonvascular plants; Systematisk botanik; taxonomi; distribution; anatomy; Candelariaceae; Candelariella; morfologi; kemotaxonomi. Växters fysiologi inte kärlväxter .;

   Abstract : The lichen genus Candelariella comprises crustose to small squamulose members of the family Candelariaceae. The genus currently includes c. 50 species world-wide but few studies have treated the taxonomy within this group. In the present thesis the taxonomy of the genus in western North America is treated. READ MORE

6. 19. Studies in the physiology of the lichen Collema

   Author : Elisabeth Henriksson; Uppsala universitet; []
   Keywords : NATURAL SCIENCES; NATURVETENSKAP;

   Abstract : .... READ MORE

7. 20. The lichen genus Physcia and allied genera in Fennoscandia

   Author : Roland Moberg; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; Biologi;

   Abstract : .... READ MORE