[Bjørndalen, J. E. 1985. Some synchorological aspects of basidophilous pine forests in Fennoscandia. - Vegetatio, 59, 211-224.]Search in Google Scholar
[Dufrěne, M., Legrendre, P. 1997. Species assemblages and indicator species: the need for a flexible asymmetrical approach. - Ecological Monographs, 67, 345-366.]Search in Google Scholar
[Engelmark, O., Hytteborn, H. 1999. Coniferous forests. - Acta Phytogeographica Suecica, 84, 55-74.]Search in Google Scholar
[Ilves, A. 1953. Eesti NSV arumetsatüübid. (Estonian forests on mineral soil). - Loodusuurijate Seltsi juubelikoguteos 1853-1953. Tallinn, Eesti Riiklik Kirjastus, 11-49. (In Estonian).]Search in Google Scholar
[Ingerpuu, N., Vellak, K. (eds.). 1998. Eesti sammalde määraja. (Keybook of Estonian bryophytes). Tartu, Eesti Loodusfoto. 239 pp. (In Estonian).]Search in Google Scholar
[Kaar, E. 1959. Metsakasvatuse võimalustest Saaremaa looaladel. (Possibilities of forest cultivation on Saaremaa alvars). Tartu, ENSV TA ZBI. 236 pp. (In Estonian).]Search in Google Scholar
[Karu, A., Muiste, L. 1958. Eesti metsakasvukohatüübid. (Estonian forest site types). Tallinn, Eesti NSV Põllumajanduse Ministeerium. 43 pp. (In Estonian).]Search in Google Scholar
[Kreeb, K. H. 1983. Vegetationskunde. Methoden und Vegetationsformen unter Berücksichtigung ökosystemischer Aspekte. (Vegetation science. Methods and vegetation types considering aspects of ecosystems). Stuttgart, Verlag Eugen Ulmer. 331 S. (In German).]Search in Google Scholar
[Kõlli, R., Lemetti, I. 1999. Eesti muldade lühiiseloomustus. I. Normaalsed mineraalmullad. (Short characterization of Estonian soils. I. Normal mineral soils). Tartu, Eesti Põllumajandusülikool. 22 pp. (In Estonian).]Search in Google Scholar
[Laasimer, L. 1946. Loometsa ökoloogiast. (Ecology of alvar forest). - Tartu Ülikooli Toimetised. Bioloogilised Teadused, 2, 1-83. (In Estonian).]Search in Google Scholar
[Laasimer, L. 1965. Eesti NSV taimkate. (Vegetation of the Estonian S. S. R.). Tallinn, Valgus. 397 pp. (In Estonian).]Search in Google Scholar
[Laasimer, L. 1975. Eesti lood ja loometsad, nende kaitse. (Estoniana alvars, alvar forests and their protection). - Renno, O. (ed.). Eesti loodusharulduste kaitseks. Tallinn, Valgus, 90-103. (In Estonian).]Search in Google Scholar
[Laasimer, L., Masing, V. 1995. Taimestik ja taimkate. (Flora and vegetation). - Raukas, A. (ed.) Eesti. Loodus. Tallinn, Valgus & Eesti Entsüklopeediakirjastus, 364-401. (In Estonian).]Search in Google Scholar
[Leht, M. (ed.). 2007. Eesti taimede määraja. (Keybook of Estonian plants). Tartu, Eesti Loodusfoto. 447 pp. (In Estonian).]Search in Google Scholar
[Lillema, A. 1958. Eesti NSV mullastik. (Soils of Estonian S. S. R.). Tallinn, Eesti Riiklik Kirjastus. 199 lk. (In Estonian).]Search in Google Scholar
[Linkola, K. 1929. Zur Kenntniss der Waldtypen Eestis. (About Estonian forest types). - Acta Forestalia Fennica, 34, 1-74. (In German).10.14214/aff.7253]Search in Google Scholar
[Linkola, K. 1930. Über die Halbhainwäldern in Eesti. (About boreo-nemoral forests in Estonia). - Acta Forestalia Fennica, 36, 3-30. (In German).10.14214/aff.7261]Search in Google Scholar
[Lippmaa, T. 1940. Loometsa ökoloogiast. (Ecology of alvar forest). Neljanda Eesti Loodusteadlastepäeva ettekannete kokkuvõtted. Tartu, 17-21. (In Estonian).]Search in Google Scholar
[Lõhmus, E. 1974. Metsad rabadest nõmmede ja loopealseteni. (Forests ranging from pine bogs to heaths and alvars). - U. Valk, J. Eilart (eds.). Eesti metsad. Tallinn, Valgus, 60-98.]Search in Google Scholar
[Lõhmus, E. 2004. Eesti metsakasvukohatüübid. (Estonian forest site types). Tartu, Eesti Loodusfoto. 80 pp. (In Estonian).]Search in Google Scholar
[McCune, B., Mefford, M. J. 1999. PC ORD. Multivariate analysis of ecological data, version 4. Gleneden Beach, Oregon, USA, MjM Software Design. 237 pp.]Search in Google Scholar
[Meier, E., Paal, J. 2009. Cryptogams in Estonian alvar forests: species composition and their substrata in stands of different age and management intensity. - Annales Botanici Fennici, 48, 1-20.]Search in Google Scholar
[Meier, E., Paal, J., Liira, J., Jüriado, I. 2005. Influence of tree stand age and management on the species diversity in Estonian eutrophic alvar and boreo-nemoral Pinus sylvestris forests. - Scandinavian Journal of Forest Research, 20 (Supplement 6), 135-144.]Search in Google Scholar
[Myklestad, Å., Sætersdal, M. 2003. Effects of restoration and intensified land use on vascular plant species richness in traditionally managed hay meadows. - Annales Botanici Fennici, 40, 423-441.]Search in Google Scholar
[Paal, J. 1998. Rare and threatened plant communities in Estonia. - Biodiversity and conservation, 7, 1027-1049.]Search in Google Scholar
[Paal, J. 2005. Estonian mires. - Steiner, G. M. (ed.). Moore - von Sibirien bis Feuerland / Mires - from Siberia to Tierra del Fuego. Linz, Oberösterreichisches Landesmuseum. Stapfia, 85, 117-146.]Search in Google Scholar
[Pärt, E., Adermann, V., Lepiku, P. 2008. Forest resources. Yearbook Forest 2007. Tartu, Metsakaitse- ja metsauuenduskeskus, 1-44.]Search in Google Scholar
[Sebastià, M. T., Casals, P., Vojnikovič, S., Bogunič, F., Beus, V. 2005. Plant diversity and soil properties in pristine and managed stands from Bosnian mixed forests. - Forestry, 78, 297-303.]Search in Google Scholar
[StatSoft Inc., 2001. STATISTICA (data analysis software system), ver. 6. - www.statsoft.com]Search in Google Scholar
[Sterner, R. 1938. Flora der Insel Öland. (Flora of Öland island). - Acta Phytogeographica Suecica, 9, 10-12. (In German).]Search in Google Scholar
[Ter Braak, C.,J.,F., Šmilauer, P. 2002. CANOCO reference manual and CanoDraw for Windows user's guide. Wageningen & České Budějovice, Biometris. 352 pp.]Search in Google Scholar
[Trass, H., Randlane, T. (eds.). 1994. Eesti suursamblikud. (Estonian macrolichens). Tartu, Tartu Ülikool. 399 + 96 pp. (In Estonian).]Search in Google Scholar
[Viilma, K. 2001. Loometsad ja nende väärtus Raplamaal. (Alvar forests in Raplamaa and tehir value). - Ehrpais, J. (ed.). Loometsad. Raplamaal 11. septembril 2001 toimunud konverentsi materjale. Rapla, OÜ Vali Press, 36-42.]Search in Google Scholar
[WRB 1998. World reference base for soil resources. World Soil Resources Reports 84. Rome, FAO.]Search in Google Scholar
