Roderick W Rogers - members.westnet.com.au - Westnet
Roderick W Rogers - members.westnet.com.au - Westnet
Roderick W Rogers - members.westnet.com.au - Westnet
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Lichens of Subtropical Queensland R.W.<strong>Rogers</strong><br />
C. Squamulose lichens in Subtropical Queensland<br />
Key to Genera<br />
1. Photobiont a cyanobacterium 2<br />
Photobiont green 4<br />
2(1) Asci with 16 or more spores Peltula<br />
Asci with 8 spores 3<br />
3(2) Spores simple Heppia<br />
Spores septate Placynthium<br />
4(1) Ascocarps perithecia 5<br />
Ascocarps not perithecia 6<br />
5(4) Thick rhizines present below, spores muriform Endocarpon<br />
Fine rhizoids present below, spores simple Placidium<br />
6(5) Spores septate 7<br />
Spores simple 8<br />
7(6) Spores brown Buellia<br />
Spores hyaline Toninia<br />
8(7) Apothecia erumpent Trapelia<br />
Apothecia sessile or adnate 9<br />
9(8) On bark in moist forests 10<br />
On soil bark or wood 12<br />
10(9) Squamules fringed or finely lacerate, often imbricate, usually dark coloured Phyllopsora<br />
Squamules more or less entire, grey to green 11<br />
11(10) Squamules orbicular to <strong>au</strong>riculate, pale grey, scattered, never fertile, always K-, C, P-<br />
Normandina<br />
Squamules elongate, grey to green, bearing pseudopodetia at maturity, often K+ or C+ or P+<br />
Cladonia<br />
12(9) Squamules elongate, free at the tip, apothecia on pseudopodetia Cladonia<br />
Squamules more or less umbilicate, orbicular, apothecia sessile 13<br />
13(12) Squamules green, apothecia with a thalline margin Ramalinora<br />
Squamules pink-brown or grey, apothecia with a proper margin or none Psora<br />
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