Fróðskaparrit - 01.01.1992, Page 105

THE LICHENS OF THE FAROES
109
Vestergrenopsis elaeina (Wahlenb.) Gyel-
nik. Very common on moist rocks, 9 coll.
(1,2,5: Pannaria e.).
Wentiomyces peltigericola D. Hawksw.
Lichenicolous fungus. On Peltigera bri-
tannica, Toftavatn, VA 85811 and GD.
(18).
Xanthoria calcicola Oxner. Frodebø,
Rostrup 1867 (1,2: X. parietina var. au-
reola p.p; 5: incl. in X. parietina).
X. candelaria (L.) Th. Fr. Very common on
nitrophilous rocks, lignum etc., 11 coll.
On Sorbus, Vestmanna, GD. (5,10; 2: X.
parietina var. lychnea).
X. elegans (Link) Th. Fr. On concrete, E of
Vestmanna, VA 85361. (10).
X. parietina (L.) Th Fr. Very common in
nitrophilous places especially along the
coasts, 16 coll. (1,2,3,4,5,6,7,10,22,33;
1,2: X. parietina var. aureola p.p.; 1,4:
var. ectanea\ 24: Physcia parietinæ, 32:
Parmelia parietina', 12: Lichen parieti-
nus\ 33: X. murorum a. major).
X. polycarpa (Hoffm.) Rieber (5,10)
Xylographa trunciseda (Th. Fr.) Minks.
On Empetrum, Svínoy, VA 851716 (10).
*Zwackhiomyces martinatianus (Am.)
Triebel & Grube. On Porpidia macro-
carpa, Tórshavn 1867, Rostrup.
Introduced species not established in the
Faroes
Some species have been introduced with
birch bark but have apparently not become
established on the Faroes (10). These
species are:
Buellia erubescens Arn.
Buellia poeltii Schauer
Cetraria pinastri (Scop.) S. F. Gray
Evernia divaricata (L.) Ach.
Imshaugia aleurites (Ach.) Fricke Meyer
Lecanora allophana (Ach.) Nyl.
Lecanora pulicaris (Pers.) Ach.
Melanelia exasperatula (Nyl.) Essl.
Melanelia olivacea (L.) Essl.
Ochrolechia androgyne (Hoffm.) Arn.
Parmeliopsis ambigua (Wulf.) Nyl.
Parmeliopsis hyperopta (Ach.) Arn.
Pertusaria amara (Ach.) Nyl.
Pertusaria hemisphaerica (Flórke)
Erichsen
Old names
The list includes all names previously used
in the literature on Faroese lichens and is a
mixture of true synonyms, old collective
species and mis-identifications. The identi-
ty of many old reports are still obscure. The
figures in brackets refer to the literature list.
Acarospora cervina var./f. smaragdula
(1,2,33) = A. smaragdula
Acarospora glaucocarpa var. rubricosa (2)
= not seen.
Alectoria bicolor (1,2,5) = Bryoria b.
Alectoria chalybeiformis (6) = Bryoria c.
Alectoria jubata (1,2) = Bryoria bicolor,
B. chalybeiformis and Pseudephebe
pubescens.
(5) = Bryoria fuscescens
f. cana (1) = Bryoria capillaris
var. chalybeiformis (2,24,33) = Bryoria
chalybeiformis
f. nitidula (1) = Alectoria nigricans