D. Galloway 2009: Lichen notes 2: lichens on the move ― are they telling us something?. - New Zealand Botanical Society Newsletter98: 15-19. [RLL List # 217 / Rec.# 30790] Keywords: NEW ZEALAND/ AIR POLLUTION/ CLIMATE CHANGE
Abstract: [General notes on a number of common "weedy" genera and species (especially taxa which are bioindicators of atmospheric and terrestrial pollution and/or climate change) and notes on their increase into urban and agricultural landscapes during the last 30 years. The author states that this trend " ... is obviously indicative of distinct changes in local and/or regional climates and ecological conditions, so they should be "watched"."]