Acknowledgements

This week of the course was written by Yoseph Araya. It was first published in August 2019.

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this free course:

Images

Figures 1 and 3: https://www.ispotnature.org; (c) The Open Uniiversity

Figure 2: taken from: iSpotnature.org;(c)The Open University

Figure 4: Encyclopedia of Life; http://eol.org/ pages/ 595063/ overview

Figure 5: taken from: http://www.nhm.ac.uk

Figure 6: taken from: https://en.wikipedia.org/ wiki/ Urtica_dioica

Figure 8: http://www.wemjournal.org

Figure 9: taken from:https://www.nhs.uk/livewell/bites-and-stings/pages/plant-dangers-garden-countryside.aspx; © The Royal Horticultural Society 2019

Figure 10: Woodland Trust; https://www.woodlandtrust.org.uk

Audio-visual

Video 1: courtesy of Michael Dodd

Every effort has been made to contact copyright owners. If any have been inadvertently overlooked, the publishers will be pleased to make the necessary arrangements at the first opportunity.

Don’t miss out

If reading this text has inspired you to learn more, you may be interested in joining the millions of people who discover our free learning resources and qualifications by visiting The Open University – www.open.edu/ openlearn/ free-courses.