2000. “Wanted: Dead English Ivy!”. Portland, OR
Environmental Services, City of Portland. 6.
Biggerstaff, M. S. and Beck, C. W.
2006. Effects of English ivy (Hedera helix) on seed bank formation and germination. Am. Mid. Nat
Butaye, J., Jacquemyn, H., and Hermy, M.
2001. Differential colonization causing non-random forest plant community structure in a fragmented agricultural landscape. Ecography
Cheeke, P. R.
1998. Natural Toxicants in Feeds, Forages, and Poisonous Plants.
Interstate Publishers. 479.
Clarke, M. M., Reichard, S. H., and Hamilton, C. W.
2006. Prevalence of different horticultural taxa of ivy (Hedera spp., Araliaceae) in invading populations. Biol. Invasions
Derr, J. F.
1992. Weed control in nursery crops. Pages 105–116. in. Pest Management Guide for Horticultural and Forest Crops. Blacksburg, VA
Virginia Cooperative Extension Pub. 456-017.
Derr, J. F.
1993. English ivy (Hedera helix) response to post emergence herbicides. J. Environ. Hortic
Distel, R. A. and Provenza, F. D.
1991. Experience early in life affects voluntary intake of blackbrush by goats. J. Chem. Ecol
Frey, D. and Frick, H.
1987. Altered partitioning of new dry matter in Hedera helix L. (Araliaceae) induced by altered orientation. Bull. Torrey Bot. Club
Heitschmidt, R. K.
1990. The role of livestock and other herbivores in improving rangeland vegetation. Rangelands
Laskurain, N. A., Escudero, A., Olano, J. M., and Loidi, J.
2004. Seedling dynamics of shrubs in a fully closed temperate forest: greater than expected. Ecography
Radosevich, S. R., Holt, J. S., and Ghersa, C. M.
2007. Ecology of Weeds and Invasive Plants: Relationship to Agriculture and Natural Resource Management. Hoboken, NJ
Randall, J. M.
1996. Weed control for the preservation of biological diversity. Weed Technol
2004. Response of temperate woody seedlings to shade and drought: do trade-offs limit potential niche differentiation?
2003. SAS 9.1.3 Service Pack 4. Cary, NC
Schnitzler, A. and Heuzé, P.
2006. Ivy (Hedera helix L.) dynamics in riverine forests: effects of river regulation and forest disturbance. For. Ecol. Manag
Zotz, G., Cueni, N., and Körner, C.
In situ growth stimulation of a temperate zone liana (Hedera helix) in elevated CO2
. Funct. Ecol