Fróðskaparrit - 01.01.1992, Qupperneq 83

THE LICHENS OF THE FAROES
87
Cetraria islandica (L.) Ach. ssp. islandica
and ssp. crispiformis (Rás.) Kámef. are
both common in heathlands
(1,2,4,6,24,32,33,35,42,43; 1,2,25: C.
islandica var. crispa; 25: C. islandica
var. platyna; 12: Lichen islandicus', 5: C.
ericetorum).
Chromatochlamys larbalestieri (A. L.
Sm.) Mayrh. & Poelt. (2: Microglaena
corrosd).
*C. muscorum (Fr.) Mayrh. & Poelt var.
octosporum (Nyl.) Mayrh. & Poelt. On
moss. E of Vestmanna, VA 85360;
Akrar, VA 85482; Ryskivatn, VA 85476;
SE part of Hestur, 200 m, VA 85446;
Somfelli, VA 851424.
Cladonia acuminata (Ach.) Norrlin.
Suiuroy, Hartz & Ostenfeld 1897 (2: C.
furcata).
Cladonia arbuscula (Wallr.) Rabenh.
Common in heathlands, 16 coll. (4,5,6:
C. sylvatica; 6: C. impexa p.p.; 42,43: C.
silvatica; 1,2: Cladonia rangiferina var.
silvatica).
C. bellidiílora (Ach.) Schaerer. (6).
*C. borealis Stenroos. Common, 12 coll.
(2: C. pyxidata p.p., 1,2: C. cornucopi-
oides p.p.,; 6: C. coccifera p.p.; 25: C.
coccifera subvar. cornucopioides).
C. carneola (Fr.) Fr. Dalá, ESH 727 (7: C.
chlorophaea).
C. cervicornis (Ach.) Flotow. ssp. cervi-
comis. Very common in heathlands, 18
coll. (1; 33: C. verticillata var. cervicor-
nis; 2,4,10: C. fimbriata p.p.).
C. chlorophaea (Florke ex Sommerf.)
Sprengel. In heathlands. Syðmgøta,
H&F. (4,6; 6: C. coccifera p.p.).
*C. ciliata Stirton var. ciliata. Ryskivatn,
VA 85480. Dalá, H&F 83093. Toftavatn,
SS 6335-2. (2: C. rangiferina p.p.,
Viðoy).
C. ciliata var. tenuis (Florke) Ahti.
Leirvík, VA 69701. (2: C. rangiferina
var. silvatica p.p., Strømø; 4: C. tenuis).
C. coccifera (L.) Willd. Rare in heathlands.
(5,6 p.p., Norðradalur).
C. coniocraea auct. On base of Pinus,
Selatrað, VA 85796, Tórshavn, VA
85631. (10).
*C. cornuta (L.) Hoffm. ssp. groenlandi-
ca (E. Dahl) Ahti. (1: C. fimbriata,
Strømø).
*C. crispata (Ach.) Flotow. var. cetrari-
iformis (Del.) Vainio. In heathland.
Toftavatn, SS 6332-1. (6: C. gracilis
p.p., Sigatindur).
*C. cyathomorpha Stirton ex W. Watson.
Saksun, VA 85587; Viðareiði, VA
69833. (2,6: C. pyxidata p.p.). 4 collec-
tions out of 7 identified by T. Ahti.
*C. decorticata (Flórke) Sprengel. 6 coll.
(2; 1,5,6 p.p.: C. squamosa; 4: C. alpico-
la).
*C. diversa Asperges. Common in heath-
land, 17 coll. (1,2: C. cornucopioides
p.p.; 2: C. pyxidata p.p.; 6: C. coccifera
p.p.).
*C. firma (Nyl.) Nyl. Somfelli, VA 85865.
(2: C. cervicornis p.p., Strømø).
C. floerkeana (Fr.) Florke. Common in
heathlands, 14 coll. 1 coll. with thamno-
lic acid in addition to barbatic acid
(TLC). (2,6,7).
*C. foliacea (Huds.) Willd. í Botni, VA
85697; S-end of Sandoy, VA 851660;
det. T. Ahti. Yellow basal squamules.
TLC: unknown, usnic acid, zeorin,