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Alan W. Archer:

The Lichen Genus Pertusaria in Australia

1997. 249 pages, 83 figures, 10 tables, 85 maps, 14x22cm, 480 g
Language: English

(Bibliotheca Lichenologica, Band 69)

ISBN 978-3-443-58048-3, paperback, price: 66.00 €

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Keywords

lichenlichenologyAustraliahistoryPertusariaFlechteLichenologieAustralienGeschichtePertusaria

Contents

Synopsis top ↑

An account is given of the lichen genus Pertusaria in Australia, including Lord Howe Island, Norfolk Island and Macquarie Island. Keys and descriptions for the 128 species are given and the synonymy, chemistry, distribution and ecology of each species is discussed.
Twenty new species are described: P. aquilonia, P. barbatica, P. boweniana, P. complanata, P. ewersii, P. georgeana, P. gundermanica, P. injuneana, P. meeana, P. nerrigensis, P. orarensis, P. pallida, P. pilosula, P. praetermissa, P. pseudothwaitesii, P. salebrosa, P. sydneyensis, P. umbricola, P. xantho-dactylina and P. xenismota.

Inhaltsbeschreibung top ↑

Es wird über die Flechtengattung Pertusaria in Australien, einschliesslich der Lord Howe-, Norfolk- und Macquarie-Inseln, berichtet. Bestimmungsschlüssel und die Beschreibungen von 128 Arten liegen vor, ausserdem wird für jede Spezies die Synonymie, Chemie, Verbreitung und Ökologie diskutiert. 20 neue Arten sind beschrieben, vide supra.

Resumen top ↑

Se presenta una reseña del género Pertusaria en Australia incluyendo las Islas Lord Howe, Norfolk y Macquarie. Se dan a conocer claves y descripciones de 128 especies y se discute la sinonimia, química, distribución y ecología de cada una de ellas. Se describa 20 especies nuevas, vide supra.

Rev.:Bibliography of Systematic Mycology (BSM) and Index of Fungi (IF) top ↑

The serial Bibliotheca Lichenologica has, over the years, been an important publisher of major works on lichen systematics and the present volume is no exception. At a time when funding for primary taxonomic studies is scarce and journals that will publish substantial monographs are few and far between, it is reassuring to see the tradition continuing and such works still appearing.

The subject of this monograph is a genus of crustose, corticolous and saxicolous lichens that occur worldwide, the species of which are, for various reasons, notoriously difficult to identify. The last major contribution on this genus was published in 1980 and covered North America. The present work is also geographically defined, although in "Australia" the author includes the adjacent territories of the Norfolk and Lord Howe and Macquarie Islands, as well as Papua New Guinea. An account is provided of 128 species, of which 20 are new to science. It is also very much a collation of the author's previous extensive work on Pertusaria. The introductory part includes sections on the history, morphology, distribution and chemistry of the genus. The latter section is detailed and complex, but merited, as chemistry is so important for recognising the species, since many do not produce ascomata, only vegetative propagules (isidia, soredia).

The systematic part is arranged according to the subgeneric classification proposed by ARCHER (1993) [Bibliotheca Lichenologica 53: 1-171 and now enhanced by chemical characters. Keys to species are provided at the beginning of each subgenus or section. As with the parmelioid genera and species, the characterisation of lichen metabolises using thin layer and liquid chromatography is essential if an identification to species level is to be achieved. Regrettably, this will inevitably limit the use of this monograph to the better equipped laboratories, since couplets such as "Planaic acid present, or 2,2'-Di-O-methylstenosporic acid present" are useless to the field-based lichenologist. This might be a minor issue if only a few of the couplets depended solely on the presence or absence of specific compounds but. for instance, the keys to the species in subgenus Pertusaria contain 96 couplets of which 47 depend on knowing precisely the compounds present in the thallus. Is it really the case that no other characters could be found which would identify the species?

The species accounts comprise typification information, description, chemistry, published illustrations, distribution and ecology and details of specimens examined. There are maps to supplement the text on distribution and black-and-white close-up photographs of the thalli of some species. A final paragraph contains useful comments about the species, often mentioning distinguishing features and closely related species. There is a small section on excluded species followed by references and various indexes: taxonomic, chemical, figures, tables and distribution maps.

It was disappointing that there was no mention of evolution, especially since the author's clear mastery of the chemical data and biosynthetic pathways would surely have led to some conclusions as to how the species arose. Further. the brief section on distribution reflected the biogeographic patterns of the species and these data can be helpful in determining possible phylogenies as well.

Overall, this is a worthy opus, a valuable collation of current knowledge of the genus and bound to be an important reference on Pertusaria not just in Australia but more broadly in the southern hemisphere and palaeotropics as a whole.

Bibliography of Systematic Mycology (BSM) and Index of Fungi (IF)

Table of Contents top ↑

Summary 9
Introduction 10
History of the Genus Pertusaria in Australia 12
Morphology 15
Distribution 18
Chemistry 19
The Genus Pertusaria 34
Key to Subgenera35
Subgenus Pertusaria
Key to Species 36
The Species:
1. P. abberans 44
2. P. alboasperata 45
3. P. aquilonia 46
4. P. atromaculata 47
5. P. bozveniana 48
6. P. ceylonica 50
7. P. cicatricosa 51
8. P. complanata 53
9. P. coniophora 53
10. P. consanguínea 54
11. P. dehiscens 55
P. dehiscens var. sekikaica 57
12. P. dissita 58
13. P. doradorensis 59
14. P. elliptica 60
P. elliptica var. bispora 63
15. P. epacrospora 63
16. P. errinundrensis 64
17. P. ewersii 65
18. P. flavoisidiata 66
19. P. follmanniana 67
20. P. georgeana 68
21. P. gibber osa 68
22. P. globospora 71
23. P. gundermanica 72
24. P. hadrocarpa 73
25. P. hartmannii 74
26. P. hermaka 75
27. P. howeana 78
28. P. hypoxantha 79
29. P. injuneana 81
30. P. irregularis 81
31. P. isidiosa 82
32. P. lavata 83
33. P. leiocarpella 85
34. P. leioplacella 85
35. P. leucoplaca 87
36. P. leucostigma 89
37. P. leucostomoides 90
38. P. leucothelia 91
39. P. limbata 93
40. P. lophocarpa 95
41. P. lordhowensis 97
42. P. mflcra 99
43. P. malabara 99
44. P. marítima 100
45. P. mattogrossensis 102
46. P. meeana 102
47. P. melaleucoides 103
48. P. melanospora 104
49. P. microstoma 107
50. P. modesta 108
51. P. montpittensis 110
52. P. muricata 111
53. P. nebulosa 112
54. P. norfolkensis 113
55. P. norstictica 114
56. P. novaehollandiae 115
57. P. orarensis 117
58. P. pallida 117
59. P. paradoxica118
P. paradoxica var. tetraspora 119
60. P. paragibberosa 120
61. P. paratropa 122
62. P. pertusella 124
63. P. petrophyes 125
64. P. pilosula 127
65. P. planaica 128
66. P. porinella 129
67. P. praetermissa 130
68. P. pseudococcodes 131
69. P. pseudothzuaitesii 133
70. P. puffina 134
71. P. pustulata 135
72. P. pycnothelia 136
73. P. remota 137
74. P. rigida 138
75. P. salebrosa 139
76. P. saltuensis 140
77. P. subcerussata 142
78. P. subisidiosa 143
79. P. subplanaica 144
80. P. subrigida 146
81. P. sydneyensis 147
82. P. thiophaninica 148
83. P. thiospoda 149
84. P. thula 151
85. P. thwaitesii 152
86. P. trachyspora 155
87. P. trevethensis 155
88. P. trímera 156
89. P. umbricola 158
90. P. undulata 160
91. P. verruculifera 160
92. P. vulpina 162
93. P. whinrayii 162
94. P. xanthodactylina 165
95. P. xanthonaria 166
96. P. xanthoplaca 167
97. P. xanthosorediata 169
98. P. xenismota 170
99. P. xylophyes171
Subgenus Monomurata 173
Key to Sections 173
Subgenus Monomurata, Section Monomuratae
Key to Species 173
The Species:
100. P. amnicola 176
101. P. asiana 176
102. P. barbatica 178
103. P. clarkeana 179
104. P. commutata 181
105. P. erubescens 184
106. P. erythrella 186
107. P. jamesii 188
108. P. lacerans 189
109. P. lacericans 191
110. P. miniatescens 192
111. P. miscella 193
112. P. nerrigensis 195
113. P. novaezelandiae 195
114. P. patellifera 197
115. P. psoromica 198
116. P. scaberula 200
117. P. sórdida 201
118. P. sublacerans 202
119. P. subventosa 203
P. subventosa var. deficiens 206
P. subventosa var. hypothamnolica 207
120. P. thamnolica209
121. P. trópica211
122. P. truncata213
123. P. velata216
124. P. verdonii218
Subgenus Monomurata, Section Digitatae
Key to Species 219
The Species:
125. P. dactylina 219
126. P. gymnospora 220
127. P. pseudodactylina 221
128. P. subdactylina 222
Excluded Species 224
Acknowledgements 227
References 228
Taxonomic Index 235
Chemical Index 241
Index of Figures 245
Index of Tables 247
Index of Distribution Maps 248