Keys to the macrolichens and checklist of the lichens and ...
Keys to the macrolichens and checklist of the lichens and ...
Keys to the macrolichens and checklist of the lichens and ...
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22b. Lobes separate, axils broad; with hypostictic acid............................... R. diederichii<br />
22c. Lobes contiguous, axils acute; containing hirtifructic acid ............ R. terricrocodila<br />
23a. Medulla P-.............................................................................................................. 24<br />
23b. Medulla P+ yellow, orange or red ......................................................................... 25<br />
24a. Medulla UV+ blue-white; containing alec<strong>to</strong>ronic acid.........................R. fluorescens<br />
24b. Medulla UV-; containing pro<strong>to</strong>lichesterinic acid, butlerins A, B, C......R. connivens<br />
25a. Medulla P+ brick red; containing fumarpro<strong>to</strong>cetraric acid.................... R. malesiana<br />
25b. Medulla P+ yellow or orange; containing echinocarpic acid ................................. 26<br />
26a. Medulla C+ rose or red; gyrophoric <strong>and</strong> hirtifructic acids present........ R. hirtifructa<br />
26b. Medulla C-; gyrophoric <strong>and</strong> hirtifructic acids absent............................................. 27<br />
27a. Lobes broad, 1.5-3 mm wide; upper cortex columnar......................... R. columnaria<br />
27b. Lobes narrow, 0.5-1 mm wide; upper cortex not columnar .....................R. sipmanii<br />
Relicinopsis Key:<br />
1a. Thallus with soredia........................................................................... R. malaccensis<br />
1b. Thallus without vegetative propagules .................................................. R. intertexta<br />
Siphula Key:<br />
1a. Branching dicho<strong>to</strong>mous ........................................................................ S. dicho<strong>to</strong>ma<br />
1b. Branching irregular, sparse .................................................................. S. decumbens<br />
Stereocaulon Key (after Sipman, H.J.M. 1998. Notes on <strong>the</strong> lichen genus Stereocaulon in<br />
New Guinea. Cryp<strong>to</strong>gamie, Bryologie et Lichénologie 19: 229-245.):<br />
1a. Phyllocladia wart-like or applanate <strong>to</strong> squamulose, rarely cylindrical; cephalodia<br />
not corticate, or absent ............................................................................................. 2<br />
1b. Phyllocladia cylindrical, sometimes coralloid-branched; cephalodia corticate....... 4<br />
2a. Soredia present, mealy, usually produced on <strong>the</strong> lower side <strong>of</strong> exp<strong>and</strong>ed<br />
pseudopodetium apices; lobaric acid present, occasionally absent S. leprocauloides<br />
2b. Soredia absent (however, cf. remark under S. graminosum)................................... 3<br />
3a. Phyllocladia wart-like <strong>to</strong> peltate; stictic acid present ........................ S. graminosum<br />
3b. Phyllocladia wart-like <strong>to</strong> cylindrical; lobaric acid present ................... S. glareosum<br />
3c. Phyllocladia wart-like <strong>to</strong> squamulose; stictic or colensoic acid present,<br />
occasionally both absent ...................................................................S. myriocarpum<br />
4a. Cephalodia more or less applanate <strong>and</strong> cristate, blue-grey with white lines or dots<br />
(pseudocyphellae) on <strong>the</strong> ridges........................................... S. pseudomassartianum<br />
4b. Cephalodia rounded <strong>to</strong> wrinkled, blue-grey without white spots or completely<br />
white (without pseudocyphellae) ............................................................................. 5
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