lichens of the lower ozark region of missouri and arkansas

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Key D : Sterile crustose lichens (c ontinued) 8. Thallus of discrete, corticate or sorediate granules ............... Candelariella 8. Thallus of diffuse masses of soredia intermingled with occasional corticate fragments .................................................Candelaria concolor 6. Thallus greenish or bluish to gray, without yellowish tints ..........................9 9. Medulla C+ reddish and/or KC+ reddish (gyrophoric acid or erythrin) ............10 10. Saxicolous; erythrin present, gyrophoric acid absent ......................... ...................................... Dirina massiliensis var. sorediata 10. Corticolous; erythrin absent, gyrophoric acid present ......................11 11. UV+ yellow (lichexanthone) ....................... Ochrolechia arborea 11. UV- ..........................................................12 12. Thallus isidiate, brownish .....................Placynthiella icmalea 12. Thallus sorediate, grayish green ................. Trapeliopsis flexuosa 9. Medulla C-, KC- ......................................................13 13. Thallus K+ yellow or red (atranorin, norstictic, stictic, or thamnolic acids) .....14 14. Thallus K+ yellow turning red (norstictic acid); saxicolous ...Phlyctis argena 14. Thallus K+ yellow (stictic or thamnol ic acids); corticolous or saxicolous ...15 15. Thallus thin, pale gray, with soralia containing farinose to finely granular soredia .......................................................16 16. Soralia punctiform; stictic acid present, atranorin lacking ............ ....................................... Nadvornikia sorediata 16. Soralia larger, ± round; stictic acid lacking, atranorin present ......... ..........................................Lecanora impudens 15. Thallus thicker, bluish gray, with diffuse patches of hollow pustules which sometimes disintegrate into a granular sorediate appearance ................ ........................................... Loxospora pustulata 13. Thallus K- (psoromic acid or no lichen substances) .......................17 17. Muscicolous or humicolous; with minute, pale, shallowly lacerate hyphophores .....................................Gyalideopsis sp. #2 17. Corticolous, saxicolous, or muscicolous; hyphophores lacking ............18
Key D : Sterile crustose lichens (c ontinued) 18. Thallus UV+ pinkish, KC+ orange (xanthones); muscicolous or rarely saxicolous ..................................... Pertusaria globularis 18. Thallus UV-, KC-; substrate various ..............................19 19. Thallus with diffused, papillose to apically spiciform isidia .......... .......................................... Rinodina papillata 19. Thallus not idisiate ........................................20 20. Thallus pale gray, ± scurfy; psoromic acid present ............... ...................................... Phlyctidia ludoviciensis 20. Thallus greenish gray to dark gray; no lichen substances present ..20 21. Thallus of minute, rounded, strongly convex squamules ......... ..........................................Agonimia sp. #1 21. Thallus ± continuous, of fimbriate-dissected, isidiate, plane to convex squamules ......................Phyllopsora corallina
Page 1: LICHENS OF THE LOWER OZARK REGION O
Page 4 and 5: In this treatment, a general key is
Page 6 and 7: Key to sec tions (continued) 7. Apo
Page 8 and 9: Key B: Foliose lichens (continued)
Page 14 and 15: KEY C: SQUAMULOSE LICHENS 1. Perith
Page 18 and 19: KEY E: CRUSTOSE LICHENS WITH STALKE
Page 20 and 21: Key F: Crustose lichens with perith
Page 22 and 23: KEY H: CRUSTOSE LICHENS WITH ROUND
Page 24 and 25: Key H : Crustose lichens with round
Page 30 and 31: AGONIMIA Zahlbr. (Verrucariaceae) C
Page 32 and 33: with evident apical dome, with 8 hy
Page 34 and 35: BACIDIA De Not. (Lecanoraceae) Crus
Page 36 and 37: 5. Thallus of thick areoles; norsti
Page 38 and 39: 8. Thallus absent, or consisting of
Page 40 and 41: essentially concolorous with the th
Page 42 and 43: Canoparmelia crozalsiana (de Lesd.
Page 44 and 45: a thickened I+ blue apical dome, wi
Page 46 and 47: 2. Cu ps no t proliferating from th
Page 48 and 49: Uncommon, on exposed, well-drained
Page 50 and 51: Very common on well-drained soil, l
Page 52 and 53: Gelatinous lichens with dull, brown
Page 54 and 55: Infrequent in lightly shaded dry me
Page 56 and 57: Diploschistes actinostomus (Ach.) Z
Page 58 and 59: Broad lobed, yellow-green foliose l
Page 60 and 61: Uncommon, in habitats similar to th
Page 62 and 63: Small green to brown squamulose lic
Page 64 and 65: Crustose lichens with powdery, gran
Page 66 and 67:
fragments in dolomite glades. More
Page 68 and 69:
convenience, some morphologically s
Page 70 and 71:
Infrequent in shaded mesic habitats
Page 72 and 73:
3. Apothecia pale to orange brown;
Page 74 and 75:
Myelochroa aurulenta (Tuck.) Elix &
Page 76 and 77:
Ochrolechia yasudae Vain. [OCHYA] -
Page 78 and 79:
Occasional on shaded tree boles and
Page 80 and 81:
Parmotrema margaritatum (Hue) Hale
Page 82 and 83:
4. Wart C+ red (lecanoric acid), wi
Page 84 and 85:
which has four ornamented spores pe
Page 86 and 87:
1. Thallus sorediate. 2. Medulla pr
Page 88 and 89:
photobiont Trebouxia, asci Bacidia-
Page 90 and 91:
1. Medulla C- (gyrophoric acid abse
Page 92 and 93:
Porpidia tahawasiana Gowan [PORTA]
Page 94 and 95:
correlation between habitat ecology
Page 96 and 97:
1. Upper cortex UV+ yellow, K- (lic
Page 98 and 99:
Rimelia subisidiosa (Müll. Arg.) H
Page 100 and 101:
__________ SCOLICIOSPORUM A. Massal
Page 102 and 103:
Known from a single site at the bas
Page 104 and 105:
TRAPELIA M. Choisy (Trapeliaceae) S
Page 106 and 107:
3. Medulla K+ yellow or red. 5. Usu
Page 108 and 109:
Verrucaria faye ttensis Servít [VE
Page 110 and 111:
north of the Lower Ozarks. [fumarpr
Page 112 and 113:
Hale, M.E. 1957. Corticolous lichen
Page 114 and 115:
abietinum (Calicium) 39 ABSCONDITEL
Page 116 and 117:
scripta 21, 66, 87 grayi (Cladonia)
Page 118 and 119:
praetextata (Peltigera) 93 prasina
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lichens of the lower ozark region of missouri and arkansas

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