... Stanley Park's centen- nial celebrations , the Stanley Park Ecology Society ( SPES ) was formed . Actually , its ... English holly trees fell out of favour . It's easy to see why . They don't belong in Stanley Park . Cultivated ...

... English ivy cultivars , only four have been identified as invasive in the Pacific Northwest : Hedera helix ' Baltica ... Stanley Park , where ivy stands accused of having a significant negative impact on the diversity and ...

... Hedera helix L .: a dendrochronological approach . Dendrochronologia , 15 : 23-37 . - OKERMAN A. , 2000. Combating the " Ivy Desert " : The invasion of Hedera helix ( English ... Invasive Species & Ecosystem Restoration , 9 p . http://www.

Fire and nonnative invasive plants. Soll , Jonathan . 2004c . Controlling English ivy ( Hedera helix ) in the Pacific ... Stanley D .; Tueller , Paul T. , comps .. Proceedings -- symposium on cheatgrass invasion , shrub die - off ...

Invasive Plants of California's Wildlands is a tremendous source for land managers and others who are interested in protecting the rich natural heritage of California and surrounding states.

Identifies the worst invasive weeds and explains what to do about them to help preserve native plants and animals.

Using the framework developed in this report, urban designers and local residents can work together to link local parks, greenways, green roofs, street trees, stormwater basins, commercial landscaping, and backyards to support biodiversity ...

This is the second edition of a widely-respected book covering all aspects of virus pathology of trees and shrubs.