M. P. Amaranthus, P. , and D. A. , Interaction effects of vegetation type and Pacific madrone soil inocula on survival, growth, and mycorrhiza formation of Douglas-fir, Canadian Journal of Forest Research, vol.19, issue.5, pp.550-556, 1989.
DOI : 10.1139/x89-087

M. Bahram, H. Harend, and L. Tedersoo, Network perspectives of ectomycorrhizal associations, Fungal Ecology, vol.7, pp.70-77, 2014.
DOI : 10.1016/j.funeco.2013.10.003

J. Bascompte and P. Jordano, Plant-Animal Mutualistic Networks: The Architecture of Biodiversity, Annual Review of Ecology, Evolution, and Systematics, vol.38, issue.1, 2007.
DOI : 10.1146/annurev.ecolsys.38.091206.095818

M. Bastian, S. Heymann, and M. Jacomy, Gephi: an open source software for exploring and manipulating networks, pp.361-362, 2009.

M. A. Bingham and S. W. Simard, Mycorrhizal networks affect ectomycorrhizal fungal community similarity between conspecific trees and seedlings, Mycorrhiza, vol.26, issue.3, pp.317-326, 2012.
DOI : 10.1007/s00572-011-0406-y

S. Botnen, V. Unni, T. Carlsen, P. B. Eidesen, M. L. Davey et al., Low host specificity of root-associated fungi at an Arctic site, Molecular Ecology, vol.22, issue.4, pp.975-985, 2014.
DOI : 10.1111/mec.12646

J. F. Bruno, J. J. Stachowicz, and M. D. Bertness, Inclusion of facilitation into ecological theory, Trends in Ecology & Evolution, vol.18, issue.3, pp.119-125, 2003.
DOI : 10.1016/S0169-5347(02)00045-9

T. D. Bruns, M. I. Bidartondo, T. , and D. L. , Host Specificity in Ectomycorrhizal Communities: What Do the Exceptions Tell Us?, Integrative and Comparative Biology, vol.42, issue.2, pp.352-359, 2002.
DOI : 10.1093/icb/42.2.352

P. Chagnon, R. L. Bradley, K. , and J. N. , Using ecological network theory to evaluate the causes and consequences of arbuscular mycorrhizal community structure, New Phytologist, vol.16, issue.2, 2012.
DOI : 10.1111/j.1469-8137.2011.04044.x

P. Chagnon, R. L. Bradley, K. , and J. N. , Plant???fungal symbioses as ecological networks: the need to characterize more than just interaction patterns, Fungal Ecology, vol.12, pp.10-13, 2014.
DOI : 10.1016/j.funeco.2014.05.002

A. Dahlberg, L. Jonsson, N. , and J. , Species diversity and distribution of biomass above and below ground among ectomycorrhizal fungi in an old-growth Norway spruce forest in south Sweden, Canadian Journal of Botany, vol.75, issue.8, pp.1323-1335, 1997.
DOI : 10.1139/b97-844

H. C. Den-bakker, G. C. Zuccarello, T. W. Kuyper, and M. E. Noordeloos, Evolution and host specificity in the ectomycorrhizal genus Leccinum, New Phytologist, vol.39, issue.1, 2004.
DOI : 10.1073/pnas.96.10.5592

I. A. Dickie, R. C. Guza, S. E. Krazewski, and P. B. Reich, Shared ectomycorrhizal fungi between a herbaceous perennial (Helianthemum bicknellii) and oak (Quercus) seedlings, New Phytologist, vol.123, issue.2, pp.375-382, 2004.
DOI : 10.1111/j.1469-8137.2004.01177.x

I. A. Dickie, S. A. Schnitzer, P. B. Reich, and S. E. Hobbie, Spatially disjunct effects of co-occurring competition and facilitation, Ecology Letters, vol.77, issue.11, 1991.
DOI : 10.1111/j.1461-0248.2005.00822.x

L. Gómez-aparicio, R. Zamora, J. M. Gómez, J. A. Hódar, J. Castro et al., APPLYING PLANT FACILITATION TO FOREST RESTORATION: A META-ANALYSIS OF THE USE OF SHRUBS AS NURSE PLANTS, Ecological Applications, vol.14, issue.4, pp.1128-1138, 1890.
DOI : 10.1007/BF02857785

N. J. Gotelli and G. L. Entsminger, SWAP ALGORITHMS IN NULL MODEL ANALYSIS, Ecology, vol.84, issue.2, pp.532-535, 2003.
DOI : 10.2307/1502

R. Guimerà and L. A. Amaral, Functional cartography of complex metabolic networks, Nature, vol.220, issue.7028, pp.895-900, 2005.
DOI : 10.1038/35075138

R. Guimerà, M. Sales-pardo, N. Amaral, and L. A. , Modularity from fluctuations in random graphs and complex networks, Physical Review E, vol.70, issue.2, 2004.
DOI : 10.1103/PhysRevE.70.025101

D. L. Hawksworth, The magnitude of fungal diversity: the 1.5 million species estimate revisited, Mycological Research, vol.105, issue.12, pp.1422-1432, 2001.
DOI : 10.1017/S0953756201004725

T. R. Horton and T. D. Bruns, The molecular revolution in ectomycorrhizal ecology: peeking into the black-box, Molecular Ecology, vol.144, issue.8, 2001.
DOI : 10.1046/j.0962-1083.2001.01333.x

T. R. Horton, T. D. Bruns, P. , and V. T. , Ectomycorrhizal fungi associated with <i>Arctostaphylos</i> contribute to <i>Pseudotsuga menziesii</i> establishment, Canadian Journal of Botany, vol.77, issue.1, pp.93-102, 1999.
DOI : 10.1139/cjb-77-1-93

A. R. Ives and H. C. Godfray, Phylogenetic Analysis of Trophic Associations, The American Naturalist, vol.168, issue.1, pp.1-14, 2006.
DOI : 10.1086/505157

D. Jeanmonod and J. Gamisans, Flora Corsica. Aix-en-Provence, 2007.
DOI : 10.1111/j.1365-2338.2011.02440.x
URL : http://archive-ouverte.unige.ch/unige:17328

B. R. Krasnov, M. A. Fortuna, D. Mouillot, I. S. Khokhlova, G. I. Shenbrot et al., Phylogenetic Signal in Module Composition and Species Connectivity in Compartmentalized Host-Parasite Networks, The American Naturalist, vol.179, issue.4, pp.501-511, 1086.
DOI : 10.1086/664612

A. M. Kretzer, M. I. Bidartondo, L. C. Grubisha, J. W. Spatafora, T. M. Szaro et al., Regional Specialization of Sarcodes sanguinea (Ericaceae) on a Single Fungal Symbiont from the Rhizopogon ellenae (Rhizopogonaceae) Species Complex, American Journal of Botany, vol.87, issue.12, pp.1778-1788, 2000.
DOI : 10.2307/2656828

F. T. Last, P. A. Mason, J. Wilson, J. W. And-deacon, M. Latapy et al., Fine roots and sheathing mycorrhizas: their formation, function and dynamics, Plant and Soil, vol.44, issue.1-3, pp.9-21, 1983.
DOI : 10.1007/BF02182637

F. Martos, F. Munoz, T. Pailler, I. Kottke, C. Gonneau et al., The role of epiphytism in architecture and evolutionary constraint within mycorrhizal networks of tropical orchids, Molecular Ecology, vol.52, issue.20, pp.5098-5109, 2012.
DOI : 10.1111/j.1365-294X.2012.05692.x
URL : https://hal.archives-ouvertes.fr/hal-01199338

R. Molina, H. B. Massicotte, and J. M. Trappe, Specificity phenomena in mycorrhizal symbioses: community-ecological consequences and practical implications, Mycorrhizal Functioning: An Integrated Plant Fungal Process, pp.357-423, 1992.

A. Montesinos-navarro, J. G. Segarra-moragues, A. Valiente-banuet, and M. Verdú, The network structure of plant-arbuscular mycorrhizal fungi, New Phytologist, vol.284, issue.2, pp.536-547, 2012.
DOI : 10.1111/j.1469-8137.2011.04045.x

P. Moreau, J. Rochet, F. Richard, F. Chassagne, S. Manzi et al., (Basidiomycota, Paxillaceae) in Europe, Cryptogamie, Mycologie, vol.32, issue.1, pp.33-62, 2011.
DOI : 10.7872/crym.v32.iss1.2012.033

M. H. Morris, M. E. Smith, D. M. Rizzo, M. Rejmánek, C. S. Bledsoe et al., Contrasting ectomycorrhizal fungal communities on the roots of co-occurring oaks (Quercus spp.) in a California woodland, New Phytologist, vol.57, issue.1, pp.167-176, 2008.
DOI : 10.2307/2426087

K. Nara, Ectomycorrhizal networks and seedling establishment during early primary succession, New Phytologist, vol.92, issue.1, pp.169-178, 2006.
DOI : 10.1111/j.1469-8137.2004.01221.x

M. Öpik and M. W. Moora, Missing nodes and links in mycorrhizal networks, New Phytologist, vol.20, issue.2, pp.304-306, 1981.
DOI : 10.1111/j.1469-8137.2012.04121.x

P. Quézel and F. Médail, Ecologie et Biogéographie des Forêts du Bassin Méditerranéen, 2003.

J. Rameau, D. Mansion, G. Dumé, A. , and C. H. , Flore Forestière Française Tome 3, 2008.

F. Richard, S. Millot, M. Gardes, and M. Selosse, Diversity and specificity of ectomycorrhizal fungi retrieved from an old-growth Mediterranean forest dominated by Quercus ilex, New Phytologist, vol.67, issue.3, pp.1011-1023, 2005.
DOI : 10.1111/j.1469-8137.2005.01382.x
URL : https://hal.archives-ouvertes.fr/hal-00103468

F. Richard, P. Moreau, M. Selosse, and M. Gardes, L., Canadian Journal of Botany, vol.82, issue.12, pp.1711-1729, 2004.
DOI : 10.1139/b04-128
URL : https://hal.archives-ouvertes.fr/hal-01308121

F. Richard, M. Selosse, and M. Gardes, Facilitated establishment of Quercus ilex in shrub-dominated communities within a Mediterranean ecosystem: do mycorrhizal partners matter?, FEMS Microbiology Ecology, vol.68, issue.1, 2009.
DOI : 10.1111/j.1574-6941.2009.00646.x

J. Rochet, P. Moreau, S. Manzi, and M. Gardes, Comparative phylogenies and host specialization in the alder ectomycorrhizal fungi Alnicola, Alpova and Lactarius (Basidiomycota) in Europe, BMC Evolutionary Biology, vol.30, issue.1, pp.40-50, 2011.
DOI : 10.1600/0363644053661850

M. Roy, M. Dubois, M. Proffit, L. Vincenot, E. Desmarais et al., Evidence from population genetics that the ectomycorrhizal basidiomycete Laccaria amethystina is an actual multihost symbiont, Molecular Ecology, vol.4, issue.12, pp.2825-2838, 2008.
DOI : 10.1046/j.1469-8137.2001.00029.x

M. Roy, J. Rochet, S. Manzi, P. Jargeat, H. Gryta et al., -associated ectomycorrhizal community diversity and specificity? A comparison of host and habitat effects at a regional scale, New Phytologist, vol.14, issue.4, pp.1228-1238, 2013.
DOI : 10.1111/nph.12212
URL : https://hal.archives-ouvertes.fr/jpa-00209741

M. Selosse, F. Richard, X. He, and S. W. Simard, Mycorrhizal networks: des liaisons dangereuses?, Trends in Ecology & Evolution, vol.21, issue.11, 2006.
DOI : 10.1016/j.tree.2006.07.003

M. Selosse, R. , and M. , Green plants that feed on fungi: facts and questions about mixotrophy, Trends in Plant Science, vol.14, issue.2, 2009.
DOI : 10.1016/j.tplants.2008.11.004

M. Selosse, M. Weiss, J. Jany, and A. Tillier, Communities and populations of sebacinoid basidiomycetes associated with the achlorophyllous orchid Neottia nidus-avis (L.) L.C.M. Rich. and neighbouring tree ectomycorrhizae, Molecular Ecology, vol.73, issue.9, pp.1831-1844, 2002.
DOI : 10.1017/S095375620100363X

S. W. Simard and D. M. Durall, Mycorrhizal networks: a review of their extent, function, and importance, Canadian Journal of Botany, vol.82, issue.8, pp.1140-1165, 2004.
DOI : 10.1139/b04-116

S. W. Simard, D. A. Perry, M. D. Jones, D. D. Myrold, D. M. Durall et al., Net transfer of carbon between ectomycorrhizal tree species in the field, Nature, vol.388, issue.6642, pp.579-582, 1038.
DOI : 10.1038/41557

J. E. Smith, R. Molina, M. M. Huso, D. L. Luoma, D. Mckay et al., ) in the Cascade Range of Oregon, U.S.A., Canadian Journal of Botany, vol.80, issue.2, pp.186-204, 1139.
DOI : 10.1139/b02-003

S. E. Smith and D. J. Read, Mycorrhizal Symbiosis, 2008.
URL : https://hal.archives-ouvertes.fr/hal-01268065

O. Steinitz, D. Troupin, G. G. Vendramin, N. , and R. , Genetic evidence for a Janzen-Connell recruitment pattern in reproductive offspring of Pinus halepensis trees, Molecular Ecology, vol.5, issue.19, pp.4152-4164, 2011.
DOI : 10.1111/j.1365-294X.2011.05203.x