Queensland Lichens  

 
Homepage
Lichens of Queensland
About R.W. Rogers
Bibliography
Contact details
Useful Links

Key to sections

1
Upper surface grey, K+ yellow
Section 1
  Upper surface brown or yellow-green  to green, K-
2
 
2
Upper surface brown
Section 4
  Upper surface yellow-green  to green
3
 
3
Thallus isidiate
Section 2
  Thallus without isidia
Section 3
 

 

Section 1

Upper cortex grey (Paraparmelia)

1 Lobes isidiate
2
  Lobes without isidia
8
 
2(1) Lower surface mostly jet black
3
  Lower surface entirely brown
7
 
3(2) Medulla K+ yellow turning red
4
  Medulla K- or K+ pale yellow to brown (K+ pale y-b, C-, P+ r)
X. fumarprotocetrarica (Elix & J. Johnst.) Elix
 
4(3) Lobes up to 1mm wide (K+ y-r, C-, P+ r / or) 
X. subtropica  (Elix & J. Johnst.) Elix
  Lobes 1-3mm wide
5
 
5(4) Medulla K+ blood red (K+ y, C-, P+ y)
X. murina (Kurok.) Elix
  Medulla K+ pale red-orange (K+ y-r, C-, P-)
X. numinbahensis (Elix & J. Johnst.) Elix
 
7(2) Medulla K+ yellow turning blood red (K+ y-r, C-, P+ y-or) 
X. scotophylla (Kurok.) Elix
  Medulla K+ yellow turning orange- red (K+ y-r, C-, P-)
X. neoquintaria (Hale) Elix
 
8(1) Lower surface mostly black
9
  Lower surface brown
13
 
9(8) Medulla K+ yellow turning red
10
  Medulla K- or K+ pale yellow-brown
11
 
10(13) Lower surface brown at the margin (K+ y-r, C-, P+ y-or) 
X. lithophila (Kurok.) Elix
  Lower surface black at the margin (K-r, C-, P+ o) 
X. subspodochroa (Elix & J. Johnst.) Elix
 
11(9) Lobes <1mm wide (K-, C-, KC-, P-)
X. mongaensis (Elix) Elix
  Lobes 1-3mm wide
12
 
12(11) Lobes strongly overlapping on the edges (K+ pale y-b, C-, P+ r)
X. roderickii (Elix & J. Johnst.) Elix
  Lobes not or barely overlapping (K+ pale y-b, C-, P+ r)
X. rugulosa (Elix & J. Johnst.) Elix
 
9(8) Medulla K+ yellow turning red
10
  Medulla K- or K+ pale yellow-brown
11
 
10(13) Lower surface brown at the margin (K+ y-r, C-, P+y-or) 
X. lithophila (Kurok.) Elix
  Lower surface black at the margin (K-r, C-, P+ o) 
X. subspodochroa (Elix & J. Johnst.) Elix
 
11(9) Lobes <1mm wide (K-, C-, KC-,P-)
X. mongaensis (Elix) Elix
  Lobes 1-3mm wide
12
 
12(11) Lobes strongly overlapping on the edges (K+ pale y-b, C-, P+ r)
X. roderickii (Elix & J. Johnst.) Elix
  Lobes not or barely overlapping (K+ pale y-b, C-, P+r)
X. rugulosa (Elix & J. Johnst.) Elix
 

topTop of Page


 

Section 2

Upper cortex yellow to green, isidiate.

1 Lower surface black
2
  Lower surface brown
8
 
2(1) Medulla K-
X. thamnoides (Kurok.) Hale
  Medulla K+ yellow or yellow turning orange
2
 
3(2) Medulla K+ yellow
X. mougeotina (Nyl.) D.J.Galloway
  Medulla K+ yellow turning red
4
 
4(3)  Medulla KC+ red
5
  Medulla KC-
7
 
5(4) Lobes >2mm broad (K+ y-r, C-, KC+ r, P+ o)
X. australasica  D.J.Galloway
  Lobes 1-2mm broad
6
 
6(5) Isidia simple (K+ y-r, C-, P+ o) 
X. isidiigera (Műll. Arg.) Elix
  Isidia branched (K+ y-r, C-, KC+ r, P+ o) 
X. isidiosa Elix & J. Johnst.
 
7(4) Lobes <1mm broad (K+ y-r, C-, P+ y)
X. filsonii Elix & J. Johnst.
  Lobes >2mm broad (K+ y-r, C-, KC-, P+ y)
X. neotinctina (Elix) Elix & J. Johnst.
 
8(1) Medulla K- or K+ pale yellow turning brown
9
  Medulla K+ yellow turning red
25
 
9(8) Isidia inflated to erumpent
10
  Isidia cylindrical, never erumpent
20
 
10(9) Lobes <1mm broad
11
  Lobes more than 1mm broad
16
 
11(10) Lower medulla patchy orange (K-, C-, KC-, P-)
X. zonata Elix & J. Johnst.
  Medulla white in total
12
 
12(11) Medulla KC+ pink
13
  Medulla KC- 
15
 
13(12) Isidia cylindrical, coralloid
X. orchardi Elix
  Isidia globular to cylindrical, not branched
14
 
14(13) Lobes to 0.4mm wide, isidia globose (K-, C-, KC-, P-)
X. mayrhoferi Elix
  Lobes to 0.7mm wide, isidia globose to cylindrical
X. maccarthyi Elix
 
15(12) Isidia commonly erumpent, with colensoic acid (K-, C-, KC-, P-)
X. ballingalliana  Elix & J. Johnst.
  Isidia rarely erumpent, with constipatic acid (K-, C-, KC-, P-) 
X. globulifera (Kurok. & Filson) Hale
 
16(10) Medulla KC+ rose (K-, C-, P-)
X. scabrosa (Taylor) Hale
  Medulla KC-
17
 
17(16) Thallus loosely adnate (K-, C-, KC-, P-) 
X. exuviata (Kurok.) Hale 
  Thallus closely adnate
18
 
18(17) Lobes <2mm broad, isidia rarely erumpent (K-, C-, KC-, P-) 
X. remanens (Elix) Elix & J. Johnst.
  Lobes up to 3mm broad, isidia mostly erumpent
19
 
19(18)  Containing scabrosins 
X. weberiella Elix
  Without scabrosins (K-, C-, KC-, P-)
X. weberi (Hale) Hale
 
20(9) KC+ rose
21
  Medulla KC-
23
 
21(20) Growing on soil (K-, C-, KC+ p, P-)
X. constipata (Kurok. & Filson) Elix & J. Johnst.
  Growing on rock
22
 
22(21) Lobes <1mm broad (K-, C-, KC+ p, P-)
X. exillima (Elix) Elix & J. Johnst.
  Lobes 0.8 – 3.0mm broad (K-, C-, KC+ p, P-) 
X. amplexula (Stirt.) Elix & J. Johnst.
 
23(20) Thallus completely foliose (K-, C-, K-, P-) 
X. blackdownensis Elix & J. Johnst.
  Thallus subcrustose at least in the centre
24
 
24(23) Isidia globular becoming cylindrical (K-, C-, KC-, P-)
X. immutata Elix & J. Johnst.
  Isidia always cylindrical (K-, C-, KC-, P-) 
X. nonreagens Elix & J. Johnst.
 
25(8) Thallus crustose (K y-r, C-, KC-, P+ y) 
X. praegnans (Elix & P.M.Armstr.) Elix & J. Johnst.
  Thallus lobate
26
 
26(25) Lobes >1.5mm broad (K y-r, C-, KC-, P+ o) 
X. mexicana (Gyeln.) Hale
  Lobes up to 1.5mm broad
27
 
27(26)  Isidia globose
X. barthlottii Elix & U.Becker
  Isidia cylindrical
28
 
28(27) Thallus adnate to loosely adnate
X. microcephala Elix & Kantvilas
  Thallus tightly adnate to subcrustose
29
 
29(28) Isidia to 3mm tall (K+ y-r, C-, KC-, P+ y)
X antleriformis Elix & J. Johnst.
 

Isidia to 0.5mm tall (K+ y-r, C-, KC-, P+ y) 

X. streimannii (Elix & P.M.Armstrong) Elix & J. Johnst.
 

topTop of Page


 

Section 3

Upper cortex yellow to green, without isidia

1 Lower surface black
2
  Lower surface cream to brown
12
 
2(1) Medulla K-  (C-, KC-, P-)
X. notata (Kurok.) Hale
  Medulla K+ yellow or yellow turning red
3
 
3(2) Medulla K+ yellow
4
  Medulla K+ yellow turning red
7
 
4(3) Lobes <1mm broad (K y to b, C-, P+ o-r)
X. pseudohypoleia (Elix) Elix & J. Johnst.
  Lobes 1-3mm broad
5
 
5(4) Thallus very loosely adnate, sometimes mat-forming  (K+ y to b, C-, P+ o/r)
X. rogersii Elix
  Thallus adnate, not mat forming
6
 
6(5) Upper surface strongly white-spotted (K y to b, C-, P+ o-r) 
X. yowaensis Elix & J.Johnst.
  Upper surface not white-spotted  (K y to b, C-, KC-, P+ r)
X. hypomelaenoides Elix & J. Johnst.
 
7(3) Lobes up to 1mm broad
8
  Lobes 1-5mm broad
9
 
8(7) Medulla P+  orange-red (K y to r, C-, P+ o)
X. rubireagens (Gyeln.) Hale
  Medulla P+ yellow-orange (K y to r, C-, P+ y)
X. subnuda (Kurok.) Hale
 
9(7) Secondary lobes formed in the centre, on soil (K y to r, C-, P+ y-o)
X. versicolor Hale
  Without secondary lobes, on rock
10
 
10(9) Lobes 2-5mm broad, very loosely adnate (Ky-r, C-, P+or-r) 
X. tasmanica (Hook. f. & Tayl.) Hale
  Lobes 1-3mm broad, adnate
11
 
11(10) Medulla P+ orange-red (salazinic acid), not mat forming (Ky-r, C-, P+or-r)
X. incerta (Kurok. & Filson) Elix & J. Johnst
  Medulla P+ yellow-orange (norstictic acid), mat forming (Ky-r, C-, P+y-o)
X. congesta (Kurok. & Filson) Elix & J.Johnst.
 
12(1) Medulla K-
13
  Medulla K+  yellow or yellow turning red
24
 
13(12) Medulla KC+  yellow or rose
14
  Medulla KC-
21
 
14(13) Medulla KC+ yellow
15
  Medulla KC+ rose
16
 
15(14) Medulla pigmented (K-, C-, P-)
X. boonahensis Elix & J. Johnst.
  Medulla white (K-, C-, P-)
X. barbatica (Elix) Egan
 
16(14) Thallus closely adnate (K-, C-, P-)
X. filarszkyana (Gyeln.) Hale
  Thallus loosely adnate
17
 
17(16) On soil, with secondary lobes near the centre (K-, C-, KC+p, P-)
X. eilifii Elix & J.Johnst.
  On rock, without secondary lobes in the centre
218
 
18(17) Upper surface strongly white-spotted (K-, C-, KC+ p, P-)
X. metamorphosa (Gyeln.) Hale
  Upper surface not white-spotted
19
 
19(18) Lower surface without rhizines, rolling into a ball when dry  (Chondropsis (Kb, C-, P+ r)
X. semiviridis (F. Muell. ex Nyl.) Elix
  Lower surface with rhizines, not rolling when dry
20
 
20(19) Lobes 0. 3– 1.5mm broad, tapering uniformly (K-, C-, P-) 
X. furcata (Műll. Arg.) Hale
  Lobes 1.5 – 3.0mm broad, of irregular width (K-, C-, P-)
X. flavescentireagens (Gyeln.) D.J.Galloway
 
21(13) Thallus closely adnate
X. ustulata 
  Thallus loosely adnate
22
 
22(21) On rock (K-, C-, P-)
X. spargenosa Elix & J. Johnst.
  On soil
25
 
23(22) Upper and lower surface green, concolorous, lobes often tangled (Kfaint y, C-, KC-, P+y - o)
X. willisii (Kurok. & Filson) Elix & J.Johnst.
  Lower surface pale brown, with secondary lobes at the centre  (K-, C-, P-)
X. condaminensis Elix & J.Johnst.
 
24(12) Medulla K+ yellow
25
  Medulla K+ yellow turning red
26
 
25(24) Thallus closely adnate, on rock  (K+ pale y - b, C-, KC-,P+ o-r)
X. pertinax (Kurok. & Filson) Elix & J.Johnst.
  Thallus loosely adnate, on soil  (K+ pale y - b, C-, KC-, P+ y)
X. reptans  (Elix) Elix & Johnst.
 
26(24) Thallus very closely adnate
27
  Thallus loosely adnate
28
 
27(26) Thallus subcrustose at the centre (K+ y to r, C-, KC-, P+ y - o)
X. neorimalis (Elix & P.Armstr.) Elix & T.H.Nash
  Thallus foliose at the centre (K+ y to r, C-, KC-, P+ y)
X. lineola (E.C.Bery) Hale
 
28(26) On soil, with secondary lobes at the centre  (K+ y to r, C-, KC+ r, P+ o)
X. taractica (Kremp.) Hale
  On rock, without secondary lobes
29
 
29 (28) Rhizines dichotomously branched (K+ y to r, C-, P+ o)
X. substrigosa (Hale) Hale
  Rhizines simple (K+ y to r, C-, P+ y)
X. arapilensis (Elix & P.Armstr.) Filson
 

topTop of Page


 

Section 4

Upper cortex brown (Neofuscelia)

1 Medulla K+ yellow turning red (K+ y to o, C-, KC-, P+ o-r)
X. parviloba (Essl.) O.Blanco, A. Crespo, Elix, D.Hawksw. & Lumbsch
  Medulla K-
2
 
2(1) Lobes dark brown beneath (K+- or k+ b, C+ y or p, KC+ o, P-)
X. delisii  (Duby) O.Blanco, A. Crespo, Elix, D.Hawksw. & Lumbsch
  Lobes black beneath
3
 
3(2) Medulla C+ rose (K- , C- or C+ p, KC+p, P-, UV+)
X. glabrans (Nyl.) O.Blanco, A. Crespo, Elix, D.Hawksw. & Lumbsch
  Medulla C-
4
 
4(3) Medulla KC- (K- , C- , KC-,  P-, UV-)
X. pulla O.Blanco, A. Crespo, Elix, D.Hawksw. & Lumbsch
  Medulla KC+ (K- , C-, KC+p , P-,  UV+)
X. verisidiosa O.Blanco, A. Crespo, Elix, D.Hawksw. & Lumbsch
 

Index

Previous page Previous Page        Next Page Next page

 

topTop of Page
 

 

Home  |  Lichens of Queensland  |  About R.W. Rogers |  Bibliography  |  Contact details

© 2006