, Volume 21, Issue 3, pp 329–335 | Cite as

Mycorrhizal characterization of the boojum tree, Fouquieria columnaris, an endemic ancient tree from the Baja California Peninsula, Mexico

  • Y. Bashan
  • T. Khaosaad
  • B. G. Salazar
  • J. A. Ocampo
  • A. Wiemken
  • F. Oehl
  • Horst VierheiligEmail author
Original Paper


The mycorrhizal association with the boojum tree, Fouquieria columnaris (=Idria columnaris), was studied. This unusual tree is almost exclusively endemic to granite and volcanic soils in highly arid areas of the Baja California Peninsula of Mexico. Soil and root samples from ten sites, covering the extent of geographic distribution of the tree on the peninsula, were analyzed. The roots of the boojum tree contained all structures of an arbuscular mycorrhizal (AM) association. Morphologically different species, 23 in number, were identified in close vicinity to the boojum tree indicating that F. columnaris is associated with a high number of AM species of several AM genera and families.


Arbuscular mycorrhizal fungi Baja California Peninsula Boojum tree Fouquieria columnaris 



This work was partially funded by the KUWI Program of the Universität für Bodenkultur Wien (HV) in Austria, by the Consejo Nacional de Ciencia y Tecnología (CONACYT) in Mexico (YB), by a grant of the government of Thailand (TK) and by the Bashan Foundation in the USA.


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Y. Bashan
    • 1
  • T. Khaosaad
    • 2
  • B. G. Salazar
    • 1
  • J. A. Ocampo
    • 3
  • A. Wiemken
    • 4
  • F. Oehl
    • 4
  • Horst Vierheilig
    • 2
    Email author
  1. 1.Environmental Microbiology GroupNorthwestern Center for Biological Research (CIBNOR)La PazMexico
  2. 2.Institut für Pflanzenschutz, Department für Angewandte Pflanzenwissenschaften und PflanzenbiotechnologieUniversität für Bodenkultur WienViennaAustria
  3. 3.Department of MicrobiologyEstación Experimental del ZaidinGranadaSpain
  4. 4.Zürich Basel Plant Science CenterBotanisches Institut der Universität BaselBaselSwitzerland

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