Morphological features of the flower of Symphoricarpos species (Caprifoliaceae) introduced to Ukraine.

Bulakh, O., (2020). Plant Introduction(87/88), 22-31. M.M. Gryshko National Botanical Garden of the NAS of Ukraine, Kiev, Ukraine. English language

Weed risk assessment for Thesium ramosum Hayne (Thesiaceae) - thesium.

USDA-APHIS-PPQ, (2019). Weed Risk Assessment for Thesium ramosum Hayne (Thesiaceae) - Thesium, 25 pp. USDA Animal and Plant Health Inspection Services, Raleigh, USA. English language

Seed bank survival of an invasive species, but not of two native species, declines with invasion.

Orrock, J. L., Christopher, C. C., Dutra, H. P., (2012). Oecologia 168(4), 1103-1110. Springer Berlin, Heidelberg, Germany. English language

Micro sites and seedling quality in restoration.

Rodríguez Trejo, D. A., Martínez, A., Mendoza Bautista, C., García, F., Herrera, C., Jesús, A. R. de, (2012). Acta Botanica Gallica 159(3), 299-301. Taylor & Francis, Abingdon, UK. English language

New species in the alien flora of Montenegro.

Hadžiablahović, S., Redžić, S., Bulić, Z., (2011). Herbologia 12(1), 103-109. Weed Science Society of Bosnia and Herzegovina, Sarajevo, Bosnia-Hercegovina. English language

Guidance on dealing with the changing distribution of tree species.

Kirby, K., (2009). Technical Information Note - Natural England(No.TIN053), 10 pp. Natural England, Sheffield, UK. English language

Ephedrus clavicornis sp. n. (Hymenoptera, Braconidae, Aphidiinae), an aphid parasitoid of the Pacific Northwest, and key to Nearctic Ephedrus.

Pike, K. S., Starý, P., Miller, T., Miller, R., Allison, D., Graf, G., Boydston, L., (1999). Journal of the Kansas Entomological Society 72(1), 10-16. English language

Leaf scorch of woody plants.

USA, University of Illinois (1997) External factsheets, University of Illinois, 4 pp., English language

Opiine parasitoids (Hymenoptera: Braconidae) of Rhagoletis pomonella and R. zephyria (Diptera: Tephritidae) in the Willamette Valley, Oregon.

AliNiazee, M. T., (1985). Canadian Entomologist 117(2), 163-166. English language

Powdery mildews of ornamentals.

USA, University of Illinois (1987) External factsheets, University of Illinois, 8 pp., English language