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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7b. Pseudocyphellae present only on lower surface ...................................................... 8<br />
8a. Without soredia, isidia or phyllidia........................................................P. sulphurea<br />
8b. Isidiate or phyllidiate ............................................................................................... 9<br />
9a. Lobes broad, rounded, phyllidiate .......................................................... P. multifida<br />
9b. Lobes narrow, punctate, isidiate <strong>to</strong> phyllidiate .................................... P. prolificans<br />
10a. Pseudocyphellae yellow......................................................................................... 11<br />
10b. Pseudocyphellae white........................................................................................... 16<br />
11a. Without soredia, isidia or phyllidia........................................................................ 12<br />
11b. Sorediate, isidiate or phyllidiate ............................................................................ 13<br />
12a. Upper surface faveolate, sometimes also maculate ................................P. maculata<br />
12b.Upper surface undulate only............................................................................P. gilva<br />
13a. Isidiate <strong>to</strong> phyllidiate.............................................................................................. 14<br />
13b. Sorediate ....................................................................................................P. crocata<br />
14a. Isidiate.................................................................................................P. desfontainii<br />
14b. Phyllidiate or with proliferations ........................................................................... 15<br />
15a. Phyllidiate ................................................................................................ P. neglecta<br />
15b. With proliferations.............................................................................. P. croca<strong>to</strong>ides<br />
16a. Without soredia, isidia or phyllidia........................................................................ 17<br />
16b. Sorediate or isidiate or phyllidiate ......................................................................... 20<br />
17a. Pseudocyphellae present on upper <strong>and</strong> lower surface............................................ 18<br />
17b. Pseudocyphellae present only on lower surface .......................................P. beccarii<br />
18a. Upper surface scrobiculate...........................................................................P. rigida<br />
18b. Upper surface plane ............................................................................................... 19<br />
19a. Lobe margins <strong>to</strong>men<strong>to</strong>se.....................................................................P. trichophora<br />
19b. Lobe margins glabrous......................................................................... P. semilanata<br />
20a. Isidiate <strong>to</strong> phyllidiate.............................................................................................. 21<br />
20b. Sorediate ................................................................................................................ 24<br />
21a. Phyllidiate .............................................................................................................. 22<br />
21b. Isidiate.................................................................................................................... 23<br />
22a. Pseudocyphellae present on upper <strong>and</strong> lower surface, surface plane . P. punctillaris<br />
22b. Pseudocyphellae present only on lower surface; upper surface pitted ... P. insculpta<br />
23a. Isidia associated with pseudocyphellae ................................................ P. argyracea<br />
23b. Isidia not associated with pseudocyphellae ............................................P. dissimilis
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