C. fimbriata (L.) Fr, (*): Occasional on tree bases and stumps,
C. floerkeana (Fr,) Florke (*): On large Quercus root. Court Hill. 1983. Skinner, on tree stump by pond, Gilbert Slade. 1984, Plant: on
decaying Fagus stump, Oak Hill,
C furcata (Huds,) Schrader: Under Fagus. Great Monk Wood, 19X3, Skinner. The last previous record was by Paulson & Thompson.
C. macilenta Hoffm.: Occasional on tree bases and stumps, but much .scarcer than the superficially similar C. coniocraea.
C ochrochlora Florke: On rotting Fagus base. Jacks Hill, 1985, Adams. The last previous record was by Paulson & Thompson.
C. polydactyla (Florke) Sprengel: Crombie.
C. portentosa (Dufour) Coem.: Paulson & Thompson. [On sloping bank, east side of Jack's Hill bog, 1985, Adams.]
C. squamosa (Scop.) Hoffm.: Paulson & Thompson.
Cliostomum griffithii (Sm.) Coppins: Rose.
Collema fragans (Sm.) Ach.: Crombie.
Cyphelium inquinans (Sm.) Trevisan: Paulson & Thompson.
C. tigillare (Ach.) Ach.: Forster.
Dimerella pineti (Ach.) Vezda: On sloping Quercus trunk by stream. Great Monk Wood, 1983, Skinner.
Diploicia canescens (Dickson) Massal.: Pentecost.
Diplotomma alboatrum (Hoffm.) Flotow: Paulson & Thompson.
Enterographa crassa (DC.)Fee: On two old pollarded Carpinus trees, Stump Road in Wintry Wood (1M1 348259). A sterile crust on
Carpinus. Great Monk Wood, 1969-70, Pentecost, may also be this species.
Evernia prunastri (L.) Ach, (*): On bark of Fagus, and Salix, exceptionally on Carpinus. Baldwins Pond. Bellringer's Hollow. Blackweir
(Lost) Pond, Connaught Water, by The Ching below Warren Pond. Dulsmead Hollow, Epping Thicks, by Loughton Brook below Staple's
Hil, and Wintry Wood: mainly as young thalli to 5 mm long, but larger in the most sheltered situations, the biggest specimens being 16 mm
from beside Loughton Brook below Staple's Hill. The last previous record was by Paulson & Thompson.
Foraminclla ambigua (Wulfen) Frieke Meyer (*): On cut base of Fagus, Bellringer's Hollow; a single patch 25 mm diam.
Fuscidea lightfootii (Sm.) Coppins & P. James: Forster.
Graphis elegans (Borrer ex Sm,) Ach,: Paulson & Thompson.
G. scripta (L.) Ach.: Rose.
Hyperphyscia adglutinata (Florke) Mayrh. & Poelt: Crombie.
Hypocenomyce caradocensis (Leighton ex Nyl.) P. James & G. Schneider: Crombie.
H. friesii (Ach.) P. James & G. Schneider: Paulson & Thompson. Probably a misindentification.
H. scalaris (Ach. ex Lilj.) M. Choisy (*): High Beach. 1968-9, Pentecost: on Fagus root. Court Hill, 1983. Skinner, old Berula trunks,
scarce. Wake Valley Bottom.
Hypogymnia physodes (L.) Nyl. : On bark and wood of Betula. Carpinus. Fagus, Quercus and Salix, frequent, but mainly as young thalli
to 15 mm diam; larger specimens occur in sheltered habitats, especially on Salix, the largest thalli found being on basal roots of Fagus in
Bellringer's Hollow (105 mm diam).
H. tubulosa (Schaerer) Havaas (*): On Salix, occasional. Baldwins Pond, the largest specimen 15 mm diam.
Lecanactis lyncea (Sm.) Fr: Crombie.
L. premnea (Ach,) Arnold: Crombie.
Lecania cyrtella (Ach.) Th,Fr,: Forster.
Lecanora carpinea (L.) Vainio: Forster.
L. chlarotera Nyl.: Rose.
L. conizaeoides Nyl. ex Crombie: Widespread and very commmon throughout the Forest,
L. dispersa (L.) Sommerf: Paulson & Thompson.
L. expallens Ach.: On old pollarded Carpinus, Stump Road in Wintry Wood.
L. horiza (Ach.) Lindsay: Forster.
L. pallida (Schreber) Rabenh.: Crombie
L. sublivescens (Nyl. ex Crombie) P. James: Crombie.
L. varia (Hoffm.) Ach.: Paulson & Thompson.
Lecidella elaeochroma (Ach.) M. Choisy: Crombie.
Lepraria incana (L.) Ach.: Widespread and common on dry bark in crevices,
L. lobificans Nyl. (*): On shaded bark, Wintry Wood.
Leptogium lichenoides (L.) Zahlbr.: Forster.
L. palmatum (Huds.) Mont,: Forster.
L. tenuissimum (Dickson) Kbrber: Crombie.
Lobaria pulmonaria (L.) Hoffm.: Forster.
Micarea denigrata (Fr.) Hedl.: Crombie.
Micarea melaena (Nyl.) Hedl.: On stump. Jacks Hill. 1972, Coppins (E); on sloping Quercus trunk near stream. 1983. Skinner (STD), conf.
B.J. Coppins.
M. prasina Fr, (*): On stump, Jacks Hill. 1972, Coppins: on tree stump, 1983, Baldwins Hill, Skinner; on base of old Carpinus pollard.
Stump Road, Wintry Wood (IMI 348254).
Mycoblastus sterilis Coppins & P.James (*): On sloping Quercus near stream. Great Monk Wood. 1983. Skinner (STD), conf. B.J.
Coppins: unlocalized. 1980s, Seaward; on basal roots of old Fagus trees, Bellringer's Hollow (IMI 334047, conf. Coppins), Epping Thicks.
and High Beach.
Ochrolechia parella (L.) Massa.: Crombie.
O. turneri (Sm.) Hasselrot: Crombie.
Opegrapha atra Pers.: On Fagus root, poorly developed, Court Hill, 1983. Skinner; on two pollarded Carpinus trees, Stump Road in
Wintry Wood (IMI 345593).
O. herbarum Mont.: Crombie.
O. niveoatra (Borrer) Laundon: Forster.
O. rufescens Pers.: Crombie.
O. varia Pers,: Crombie.
O. vulgata (Ach.) Ach.: On a single pollarded Carpinus, Stump Road in Wintry Wood (IMI 345594).
Parmelia acetabulum (Necker) Duby: Forster.
P. caperata (L.) Ach. (*): On young Quercus branches and Salix in sheltered situations. Baldwins Pond (1 specimen 12 mm diam),
Connaught Water (2 specimens, the larger 12 mm diam), and by The Ching below Warren Pond (3 specimens, the largest 8 mm diam).
98