Adams, R. P., Pandey, R. N., Leverenz, J. W., Dignard, N., Hoegh, K. and Thorfinnsson, T (2003): Pan-Arctic variation in Juniperus communis: Historical Biogeography based on DNA fingerprinting. Biochemical Systematics and Ecology 31, 181–192.

Adams, R. P., Pandey, R. N., Leverenz, J. W., Dignard, N., Hoegh, K. and Thorfinnsson, T (2003): Pan-Arctic variation in Juniperus communis: Historical Biogeography based on DNA fingerprinting. Biochemical Systematics and Ecology 31, 181–192.)| false
• Search Google Scholar
• Export Citation

Ahlgren, C. E (1957): Phenological observations of nineteen native tree species in northeastern Minnesota. Ecology 38, 622–628.

Ahlgren, C. E (1957): Phenological observations of nineteen native tree species in northeastern Minnesota. Ecology 38, 622–628.)| false
• Search Google Scholar
• Export Citation

Blackman, R. L. and Eastop, V. F (1994): Aphids on the World’s Trees an Identification and Information Guide. CAB International, Wallingford Oxon UK,987 pp.

Blackman, R. L. and Eastop, V. F (1994): Aphids on the World’s Trees an Identification and Information Guide. CAB International, Wallingford Oxon UK,987 pp.)| false
• Search Google Scholar
• Export Citation

Chase, J (2008): “Western Redcedar”, “Tree of Life” (PDF). Forests for Oregon. Oregon Department of Forestry, pp. 18–24.

Chase, J (2008): “Western Redcedar”, “Tree of Life” (PDF). Forests for Oregon. Oregon Department of Forestry, pp. 18–24.)| false
• Search Google Scholar
• Export Citation

Farjon, A (2011): Pinus nigra. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 15 February 2015.

Farjon, A (2011): Pinus nigra. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 15 February 2015.)| false
• Search Google Scholar
• Export Citation

Forman, R. T. T., Sperling, D., Bissonette, J. A., Clevenger, A. P., Cutshall, C. D., Dale, V. H., Fahrig, L., France, R., Goldman, C. R., Heanue, K., Jones, J. A., Swanson, F. J., Turrentine, T. and Winter, T. C (2003): Road Ecology. Science and Solutions. Island Press, Washington, Covelo, London, 481 p.

Forman, R. T. T., Sperling, D., Bissonette, J. A., Clevenger, A. P., Cutshall, C. D., Dale, V. H., Fahrig, L., France, R., Goldman, C. R., Heanue, K., Jones, J. A., Swanson, F. J., Turrentine, T. and Winter, T. C (2003): Road Ecology. Science and Solutions. Island Press, Washington, Covelo, London, 481 p.)| false
• Search Google Scholar
• Export Citation

Heie, O. E (1995): The Aphidoidea (Hemiptera) of Fennoscandia and Denmark, VI.Fauna Entomologica Scandinavica. E. J. Brill Leiden, New York, Köln, Vol. 31, 222 p.

Heie, O. E (1995): The Aphidoidea (Hemiptera) of Fennoscandia and Denmark, VI.Fauna Entomologica Scandinavica. E. J. Brill Leiden, New York, Köln, Vol. 31, 222 p.)| false
• Search Google Scholar
• Export Citation

Kinloch, B. B., Westfall, R. D. and Forrest, G. I (1986): Caledonian Scots pine: Origins and genetic structure. New Phytologist 104, 703–729.

Kinloch, B. B., Westfall, R. D. and Forrest, G. I (1986): Caledonian Scots pine: Origins and genetic structure. New Phytologist 104, 703–729.)| false
• Search Google Scholar
• Export Citation

Kiss, B., Lengyel, G., Nagy, Z. and Kárpáti, Z (2013): First record of spotted wing Drosophila [Drosophila suzuki (Matsumura, 1931)] in Hungary. Növényvédelem, 49, 97–99.

Kiss, B., Lengyel, G., Nagy, Z. and Kárpáti, Z (2013): First record of spotted wing Drosophila [Drosophila suzuki (Matsumura, 1931)] in Hungary. Növényvédelem, 49, 97–99.)| false
• Search Google Scholar
• Export Citation

Kosztarab, M. and Kozár, F (1978): Scale insects – Coccoidea. Fauna Hungariae. Akadémiai Kiadó, Budapest, 192 p.

Kosztarab, M. and Kozár, F (1978): Scale insects – Coccoidea. Fauna Hungariae. Akadémiai Kiadó, Budapest, 192 p.)| false
• Search Google Scholar
• Export Citation

Løkke, H (1990): Picein and piceol concentrations in Norway spruce. Ecotoxicology and environmental safety 19, 301–309. doi:10.1016/0147-6513(90)90032-Z. PMID 2364913.

Løkke, H (1990): Picein and piceol concentrations in Norway spruce. Ecotoxicology and environmental safety 19, 301–309. doi:10.1016/0147-6513(90)90032-Z. PMID 2364913.)| false
• Search Google Scholar
• Export Citation

McKinley, D. C. and Blair, J. M (2008): Woody plant encroachment by Juniperus virginiana in a mesic native grassland promotes rapid carbon and nitrogen accrual. Ecosystems 11, 454–468.

McKinley, D. C. and Blair, J. M (2008): Woody plant encroachment by Juniperus virginiana in a mesic native grassland promotes rapid carbon and nitrogen accrual. Ecosystems 11, 454–468.)| false
• Search Google Scholar
• Export Citation

Redfern, M (2011): Big buds, cigars, pineapples and rosettes. In: M. Redfern (ed.): Plant Galls. Collins, London, pp. 1–564.

Redfern, M (2011): Big buds, cigars, pineapples and rosettes. In: M. Redfern (ed.): Plant Galls. Collins, London, pp. 1–564.)| false
• Search Google Scholar
• Export Citation

Sopow, S. L. and Quiring, D. T (2001): Is gall size a good indicator of adelgid fitness? Entomologia Experimentalis et Apllicata 99, 267–271.

Sopow, S. L. and Quiring, D. T (2001): Is gall size a good indicator of adelgid fitness? Entomologia Experimentalis et Apllicata 99, 267–271.)| false
• Search Google Scholar
• Export Citation

Szalay-Marzsó, L (1969): Aphids in horticulture. Mezogazdasági Kiadó, Budapest, pp. 1–186. (in Hungarian)

Szalay-Marzsó, L (1969): Aphids in horticulture. Mezogazdasági Kiadó, Budapest, pp. 1–186. (in Hungarian))| false
• Search Google Scholar
• Export Citation

Szelegiewicz, H (1977): Levé ltetvek I. – Aphidinea – I. Magyarország Állatvilága. Fauna Hungariae XVII. Heteroptera, Homoptera 18. Fauna Hung. 128. Akadémiai Kiadó, Budapest, 175 p.

Szelegiewicz, H (1977): Levé ltetvek I. – Aphidinea – I. Magyarország Állatvilága. Fauna Hungariae XVII. Heteroptera, Homoptera 18. Fauna Hung. 128. Akadémiai Kiadó, Budapest, 175 p.)| false
• Search Google Scholar
• Export Citation