Fróðskaparrit - 01.01.1992, Side 96

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THE LICHENS OF THE FAROES
stellaris p.p. 2: P. stellaris p. p. incl. var.
aipolia).
P. caesia (Hoffm.) Fiirnr. Common on
rocks, 13 coll.; 1 coll. on wood. (1, 5,33;
2: P. stellaris var. caesia).
P. dubia (Hoffm.) Lettau. On Acer on
Svínoy, VA 85738; Larix and Betula at
Dalur, VA 851551, 851556. (5,6,10; 2: P.
stellaris p.p).
P. tenella (Scop.) DC. On larix at Dalur,
VA 851552. (10; 2: P. stellaris p. p.).
P. tenella var. marina (Nyl.) Lynge.
Common on coastal rocks, 11 coll. (5; 1:
Physcia caesia var. leptalea; 2: P. stel-
laris var. leptalea).
Physconia muscigena (Ach.) Poelt. Near
Toftavatn, Hartz 1897. (2: Physcia pul-
verulenta var. muscigena).
Pilophorus cereolus (Ach.) Th. Fr. Over-
hanging rock, Somfelli, VA 851429. (1:
Stereocaulon cereolinum, Sandágerði
p.p.).
P. dovrensis (Nyl.) Timdal, Hertel &
Rambold. Somfelli, 675 m, on rock, VA
851434. (3; 1: Lecidea d. p.p.; 2: Lecidea
alpestris p.p).
*P. strumaticus Nyl. ex Crombie. (1:
Stereocaulon cereolinum, Sandagerði p.
p., Nólsoy).
Placopsis gelida (L.) Lindsay. Very com-
mon on rocks, 13 coll. (4,5; 12: Lichen
heclæ', 1,2,24: Squamaria gelidæ, 32:
Parmelia g.\ 33: Placodium gelidum).
*Placynthiella icmalea (Ach.) Coppins &
P. James. On soil in ravine, Gøtugjógv,
VA 69750; Toftavatn, SS 6299-2.
P. uliginosa (Schrader) Coppins & P.
James. On soil in Calluna-heath, Hoy-
vík, VA 851539. Syðrugøta, H&F
83116. (2: Biatora u.).
*Placynthium asperellum (Ach.) Trev.
On rock. Saksun, VA 69645; Leynavatn,
VA 851369, 851571; S-end of Sandoy,
VA 851664; Ljósá, VA 85619.
*P. pannariellum (Nyl.) H. Magn. On
rock. Leynavatn, VA 851377, 851703;
Vrkarbyrgi, VA 851460.
Platismatia glauca (L.) Culb. & C. Culb.
On rock in protected places. Hestur, VA
85438, 85448; on Picea in Tórshavn, VA
85637; Kirkjubøur, SS 63-43-2. (10; 5:
Cetraria g.).
*Plectocarpon lichenum (Sommerf.) D.
Hawksw. Lichenicolous fungus on Lob-
aria amplissima, Toftavatn, Hartz &
Ostenfeld 1897.
*Polyblastia cruenta (Kórber) P. James &
Swinscow. On rocks. Overhanging rock,
Somfelli, VA 851430, 851435, 851442;
Hoyvík, VA 851512; N of Skálavík, VA
851397; Vfkarbyrgi, VA 851470. (1,2
p.p.: Polyblastia terrestris).
P. cupularis Massal. On tuff, Slættara-
tindur, VA 851264. Middagsfjall, GD.
(1,2,4: P. intercedens).
P. helvetica Th. Fr. Ryskivatn, VA 85461.
(2; 17: Amphoroblastia helvetica ssp.
faeroensis', 4: Icmadophila ericetorum
(NSF)).
*P. melaspora (Taylor) Zahlbr. S-facing
rock, Leynavatn, VA 851373.
P. terrestris Th. Fr. (2 p.p.).
P. theleodes (Sommerf.) Th. Fr. Common
on rock, 7 coll. (1,2).
Polychidium muscicola (Swartz) S.F.
Gray. Common in moss, 7 coll. (2,33; 1:
Leptogium m.).
*Polycoccum galligenum Vezda. Licheni-