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Spec. Rpt. Front Matter SPECIAL REPORT T HE THE LICHENS OF L ICHENS OF BRITISH COLUMBIA 1999 Illustrated Keys Part 2 — Fruticose Species by Trevor Goward B RITISH C OLUMBIA Ministry of Forests Research Program THE LICHENS OF BRITISH COLUMBIA Illustrated Keys Part 2 — Fruticose Species by Trevor Goward (Illustrations by Trevor Goward) Ministry of Forests Research Program Canadian Cataloguing in Publication Data Goward, Trevor The lichens of British Columbia, illustrated keys. Part 2, Fruticose Species (Special report series, ISSN 0843–6452 ; 9) Includes bibliographical references, p. Includes index. ISBN 0–7726–3961–2 1. Lichens – British Columbia – Identification. 2. Lichens – British Columbia – Geographic distribution. I. British Columbia. Ministry of Forests. Research Branch. II. Title. III. Series: Special report series (British Columbia Ministry of Forests) ; 9 QK587.7.B7G68 1999 579.7’09711 C99 – 960259 – 4 Prepared by Trevor Goward Herbarium, Department of Botany University of British Columbia Vancouver, BC Mailing Address: Edgewood Blue, Box 131 Clearwater, BC for B.C. Ministry of Forests Research Branch 712 Yates Street Victoria, BC © 1999 Province of British Columbia Copies of this report may be obtained, depending upon supply, from: Crown Publications 521 Fort Street Victoria, BC (250) 386-4636 www.crownpub.bc.ca For more information on Forestry Division publications, visit our web site at: http://www.for.gov.bc.ca/hfd/pubs/index.htm LICHENS OF BRITISH COLUMBIA, PART 2 – FRUTICOSE SPECIES ii ACKNOWLEDGEMENTS This manual has been four years in the Rydholm tested the keys; Irwin Brodo, making. During that time, it has benefit- François Lutzoni, Eric B. Peterson, and ted from the kindness of many people. In Bruce Ryan provided unpublished data on particular, I wish to thank five colleagues lichen distribution in the western United —Teuvo Ahti, Irwin Brodo, Stephen States; Mikhail Zhurbenko augmented my Clayden, Pekka Halonen, and Hiroyuki understanding of lichen distribution in Kashiwadani—for entering into co- eastern Eurasia; and André Arsenault, authorship on treatments of Cladina, Robert Bringhurst, Irwin Brodo, Dennis Cladonia, Stereocaulon, Usnea, and Fafard, Bruce McCune, Don McKay, Ramalina. I also wish to thank the follow- Roger Rosentreter, Evelyn Schimmel, ing specialists for reviewing earlier drafts Steve and Sylvia Sharnoff, and Jan Zwicky of other critical genus accounts: Irwin all helped to pry open the Pandora’s box Brodo (Alectoria, Bryoria), Håkon Holien of common names. To all of the above, I (Calicium, Chaenotheca, Microcalicium, extend my deepest gratitude. Sclerophora), Scott Kroken (Letharia), I also express thanks to: Lyle Ottenbreit Scott LaGreca (Ramalina), Leif Tibell and Dan Bashaw for bringing the maps (Chaenothecopsis), Tor Tønsberg (Gyali- and figures to camera-ready; Susan deopsis, Microlychnus, Szczawinskia), Bannerman, Bruce Maricle, Vivian Miao, and Mats Wedin (Bunodophoron, Anna Roberts, and Steve Smith for Sphaerophorus). In addition, several English edit and proofreading; Donna lichenologists have willingly shared their Lindenberg for typesetting; Rick Scharf for taxonomic expertise: Teuvo Ahti, Othmar carrying the manuscript through to publi- Breuss, Irwin Brodo, Aino Henssen, Per cation; and Paul Nystedt for cheerfully Magnus Jørgensen, Scott Kroken, Scott juggling many balls in the air at the same LaGreca, Bruce McCune, Juoko Rikkinen, time. Roger Rosentreter, Steve Selva, Leif Tibell, Evelyn Hamilton, of the British Tor Tønsberg, and Mats Wedin. Columbia Ministry of Forests, deserves In addition: Olivia Lee, of the University special thanks for supporting this project of British Columbia, packaged, labelled, in many ways throughout its gestation— sorted, and forwarded lichen specimens not least by funding it through the British by the thousands; Dan Burgess, Nathalie Columbia Forest Renewal Fund (FRBC). Djan-Chékar, David Miège, Carla For supplementary funding through the Rydholm, and Patrick Williston helped British Columbia Conservation Data to prepare the distribution maps; Irwin Centre (CDC), I also thank Andrew Brodo, Stephen Clayden, Bernard Harcombe. Goffinet, and Tor Tønsberg subjected sev- Finally, this book is fondly dedicated to eral specimens to thin-layer chromatogra- two eminent lichenologists: Teuvo Ahti, of phy; Stephen Clayden, Bernard Goffinet, the University of Helsinki, and Irwin Stuart Harris, Olivia Lee, Vivian Miao, Brodo, of the Canadian Museum of Roger Rosentreter, Wilf Schofield, and Nature. Many thanks, my friends, for all Émannuël Sérusiaux responded to urgent you have done. pleas for literature; Tyler Innes and Carla ACKNOWLEDGEMENTS iii CONTENTS Acknowledgements . iii Introduction . 1 Interpreting the Genus and Species Accounts . 3 Understanding Biogeoclimatic Zonation . 5 Identifying Lichens . 10 Making Use of Lichen Chemistry . 20 A Note on Common Names . 21 Keys to Genera of Fruticose Macrolichens and Microlichens . 22 Key to Lichen Photobionts . 23 Key to Lichen Growth Forms . 27 Key A: Fruticose Macrolichens . 29 Key B: “Calicioid” Lichens (and others). 36 Key C: Fruticose Microlichens (and others). 39 Keys to Species of Fruticose Macrolichens and Microlichens . 45 Acroscyphus . 45 Agrestia . 46 Alectoria . 47 Baeomyces . 51 Bryocaulon . 53 Bryoria . 54 Bunodophoron . 69 Calicium . 70 Chaenotheca . 76 Chaenothecopsis . 89 Cladina . 101 Cladonia . 107 Coelocaulon . 164 Cornicularia . 165 Cystocoleus . 166 Dactylina . 167 Dibaeis . 170 Ephebe . 171 Evernia . 173 Gyalideopsis . 176 Leciophysma . 178 Lempholemma . 179 Leprocaulon . 181 Letharia . 183 Lichinella . 185 Lichinodium . 186 Loxosporopsis . 189 Microcalicium. 190 Microlychnus . 192 Mycocalicium . 193 Niebla . 194 Nodobryoria . 195 Phaeocalicium . 197 LICHENS OF BRITISH COLUMBIA, PART 2 – FRUTICOSE SPECIES iv Pilophorus . 199 Polychidium . 202 Pseudephebe . 204 Racodium . 206 Ramalina . 207 Sclerophora . 215 Siphula . ..
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