Science
- Evolutionary ecology research
- Horticultural research
- Plant diversity research
- Amalie Dietrich project
- Australian freshwater algae
- Australian mesic zone biota
- Biology of Myrtaceae
- Bryophytes
- Cycad evolution and diversity
- Cyperaceae
- DNA of ground orchids
- DNA studies of Restionaceae
- Ecdeiocoleaceae
- Evolution of Australian Utricularia
- Evolution of Proteaceae
- Fern biodiversity of Australia
- Indigofera
- Key to the Lichen Genus Pertusaria
- Pertusaria Group 1
- Pertusaria Group 2
- Pertusaria Group 3
- Pertusaria Group 4
- Pertusaria Group 5
- Pertusaria Group 6
- Pertusaria Group 7
- Pertusaria Group 8
- Pertusaria Group 9
- Pertusaria Group 10
- Pertusaria Group 11
- Pertusaria Group 12
- Pertusaria Group 13
- Pertusaria Group 14
- Pertusaria Group 15
- Pertusaria Group 16
- Pertusaria Group 17
- Pertusaria Group 18
- Pertusaria Group 19
- Pertusaria Group 20
- Pertusaria Group 21
- Pertusaria Group 22
- Pertusaria Synonyms
- Lamiaceae & Urticaceae
- Lamiaceae
- Lejeuneaceae
- Lepidoziaceae - southern liverworts
- Marine algae
- New Species and phylogeny in Restionaceae
- Phylogenetic biome conservatism
- Phylogeny and new species of Australian Utricularia
- Phylogeny of Orchidaceae tribe Diurideae
- Poales
- Pollination studies in Prostanthera
- Project Camellia
- Rutaceae
- She-oaks - tough survivors
- Telopea special edition
- Theaceae of South-East Asia
- Trees of Papua New Guinea
- Tristaniopsis in south-east Asia
- Urticaceae of Java
- XVIII International Botanical Congress
- Plant pathology research
- Herbarium & resources
- Scientific publications
Pertusaria Group 21
Apothecia present, verruciform; ascospores 8 per ascus, on rock
= view photo 
= view synonyms
|
1 |
Xanthones present |
2 |
| 1a | Xanthones absent | 19 |
|
2 |
Lichexanthone or derivatives present |
3 |
| 2a | Arthothelin, thiophanic or thiophaninic acids present | 10 |
|
3 |
Lichexanthone present |
4 |
| 3a | 4,5-Dichlorolichexanthone present | 7 |
|
4 |
Lichexanthone and stictic acid present; spores 2-seriate, 115-150 µm long; Aus, Easter Island |
P. hadrocarpa Zahlbr. |
| 4a | Lichexanthone and depsides ± protocetraric acid present | 5 |
|
5 |
Lichexanthone and depsides present |
6 |
| 5a | Lichexanthone, planaic and protocetraric acids present; spores rough walled, 1-seriate 80-125 µm long; Central Afr | P. lambionii A.W. Archer et al. |
|
6 |
Lichexanthone and 2-O-methylconfluentic acid present; spores 1-seriate, 60-70 µm long; Central Afr |
P. clercii Messuti & A.W. Archer |
| 6a | Lichexanthone and 2-O-methylperlatolic acid present: spores 1-seriate, 75-105 µm long Aus, PNG, S.Am, Mexico | P. consanguinea Müll. Arg. |
| On dead moss; spores 80-95 µm long; Japan | P. nagasakensis Nyl.  | |
|
7(3a) |
4,5-Dichlorolichexanthone and 4-chlorolichexanthone present; on moss; spores 2-seriate, 150-185 µm long; S.Am |
P. confundens Nyl. |
| 7a | 4,5-Dichlorolichexanthone and norstictic acid or 2'-O-methylperlatolic acid present | 15 |
|
8 |
Norstictic acid present; spores 70-85 µm long, irreg. 2-seriate; Ins. Rodrigues |
P. impallescens Nyl. |
| 8a | 2'-O-Methylperlatolic acid present | 16 |
|
9 |
Spores 2-seriate, 85-105 µm; Aus |
P. lavata Müll. Arg. |
| 9a | Spores 1-seriate, 45-75 µm; Aus, NZ | P. lophocarpa Körber |
|
10(2a) |
Thiophaninic acid present |
11 |
| 10a | Arthothelin or thiophanic acid present | 17 |
|
11 |
Thiophaninic acid only present; spores 2-seriate, 62-75 µm long; S.Afr. |
P. diaziana A. Massal. |
| Spores 65 µm long; Eur, Asia | P. flavicans Lamy | |
| 11a | Additional depsidones or 2-O-methylperlatolic acid present | 12 |
|
12 |
Additional 2-O-methylperlatolic acid present; spores 1-seriate, 60-85 µm long; Aus, NZ, PNG, Zimbabwe. |
P. petrophyes C. Knight |
| 12a | Additional norstictic or stictic acids present | 13 |
|
13 |
Thiophaninic acid and norstictic acid present; spores 85-110 µm long; Eur |
P. huneckiana Feige & Lumbsch |
| 13a | Thiophaninic acid and stictic acid present | 14 |
|
14 |
Thallus lacking isidia and soredia |
15 |
| 14a | Thallus isidiate or sorediate | 16 |
|
15 |
Spores 2-seriate, 70-90 µm long; Aus |
P. dissita Elix & A.W. Archer |
| 15a | Spores 1-seriate, 65-80 µm long; S.Am | P. hypoxantha Malme |
| 15b | Spores 70-100 µm long ?seriate; Eur. | P. rupicola (Fr.) Harm. |
|
16 |
Thallus isidiate; spores 1-seriate, 50-90 µm long; Aus |
P. xanthodactylina A.W. Archer & Elix |
| 16a | Thallus sorediate; spores 50-75 µm long, 1-seriate; Aus, NZ, PNG | P. xanthoplaca Müll. Arg.  |
|
17(10a) |
Thiophanic acid present; spores 2-seriate, 60-85 µm long; Aus |
P. thula A.W. Archer |
| 17a | Arthothelin present | 18 |
| 18 |
Spores subglobose, hyaline to brown, 1-seriate, 12-30 µm long; SW US |
P. occidentalis Bratt, Lumbsch & Schmitt |
| 18a | Spores ellipsoid, hyaline to pale grey, 2-seriate, 60-75 µm long; Aus, NZ S.Afr. S.Am. | P. melanospora Nyl. |
| 19(1a) |
Lichen compounds absent; spores 2-seriate, 37-55 µm long; Aus. |
P. paratropa Müll. Arg. |
| Spores 1-seriate, 50-58 µm long; S.Afr. | P. pseudomelanospora V. Wirth & Elix | |
| 19a | Lichen compounds present | 20 |
| 20 |
2'-O-Methylperlatolic acid present |
21 |
| 20a | Norstictic, stictic or virensic acid present | 22 |
| 21 |
Spores hyaline, 1-seriate, 65-85 µm long; S.Am |
P. cerebrinula Zahlbr. |
| 21a | Spores hyaline to brown, 2-seriate, 55-80 µm long; N.Am | P. islandica Bratt, Lumbsch & Schmitt |
| 22 |
Stictic acid present; spores 2-seriate, 30-36 µm long; Aus |
P. macra Müll. Arg. |
| Spores 25-45 µm long; Eur. | P. eiteriana Erichs. | |
| 22a | Norstictic or virensic acid present | 23 |
| 23 |
Virensic acid present; spores 80-125 µm long; S.Am |
P. rochae Räsänen |
| 23a | Norstictic acid present | 24 |
| 24 |
Spores 1-seriate, 80-135 µm long; ± virensic acid; S.Am |
P. patagonica Müll. Arg. |
| Spores 50-70µm long, N.Am, Arctic | P. octomela (Norm.) Erichs | |
| 24a | Spores 2-seriate | 25 |
| 25 |
Spores 115-150 µm long; NZ, S.Am. |
P. perrimosa Nyl. |
| 25a | Spores 87-112 µm long; S.Am | P. colorans Malme |
