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vascular plants     orchids         fungi               bryophytes

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LICHENS

The extensive coastal, montane and woodland habitats on Thásos presumably support a rich and interesting lichen flora, but so far I have come across very little information on this group of plants. For instance, there are no records for Thásos in Rechinger, K.H. (1943) Flora Aegea. Flora der Inseln und Halbinseln des Ägäischen Meeres. Akad. Wiss. Wein, Math.-Naturwiss. Kl., Denkschr., 105 (1). The only relevant scientific paper I have come across is a brief study by Popnikolov (1956), which lists 27 taxa recorded from the vicinity of Thassos Town in the 1940s and I am most grateful to Andrey Kovatchev for providing a copy of this reference.  If you are aware of any other records or published references I would be very pleased to hear from you -  please let me know via the Guestbook or e-mail.

The herbarium of the Dept. of Botany at the University of Essen, Germany, contains an example of the beard lichen Evernia prunastri (L.) Ach. collected from the slopes of Profitis Ilias in 1994. The only other species reported to date is the lungwort Lobaria pulmonaria (L.) Hoffm. [coll. A.P. Fowles, det. R.G. Woods] which adorns ancient plane trees in the hills above Thassos Town, alongside a tributary of the main river which runs past Ag. Marina. Lungworts are species of clean, moist air and may be indicative of the presence of other important epiphytic lichen species in this beautiful fragment of deciduous woodland.

Lobaria pulmonaria

CHECKLIST

Verrucaria calciseda DC.

Verucaria nigrescens Pers. var. controversa Mass. Jatta

Toninia coeruleonigricans Th. Fr. f. opuntiodes A.Z.

Cladonia neglecta Wallr.

Cladonia foliacea Schaer. var. convoluta Wain

Cladonia furcata (Huds.) Fr. f. foliosa Del.

Cladonia sylvatica Hoffm. f. pygmaea Sandst.

Pertusaria amarescens Nyl.

Urceolaria ocellata Kbr.

Urceolaria scruposa Ach. var. bryophita Ach.

Lecanora hagenii (Ach.) Kbr. var. umbrina (Ach.) Kbr. f. litophila Wall.

Lecanora sulphurea Ach.

Aspicilia calcarea (L.) kbr. var. concreta Schaer.

Aspicilia calcarea (L.) kbr. var. concreta Schaer. f. farinosa (Fr.) Nyl.

Placodium subcircinatum (Pers.) Nyl.

Ochrolechia parallela (L.) Mass.

Evernia prunastri (L.) Ach.

Parmelia conspersa (Ach.) Ehrh.

Parmelia physodes Ach.

Parmelia furfuracea Ach.

Parmelia scortea Ach.

Parmelia prolixa (Ach.) Nyl.

Cetraria nivalis (L.) Ach.

Cetraria fallax (Web.) Ach.

Ramalina angustissima Ach.

Alectoria implexa (Hoffm.) Rohl.

Protoblasenia rupestris A.Z.

Lobaria pulmonaria (L.) Hoffm.

Caloplaca murorum (Hoffm.) Th. Fr.

Saxicolous lichens - Ipsarion summit (Oct 2001)

REFERENCES

Popnikolov, A. 1956. Flechten von Ost - (Griechisch) Mazedonien. Bull. de L'Institut Botanique, Academie Bulgare des Sciences, 4: 353-356. [in Bulgarian]