B. Papp szerk.: Studia Botanica Hungarica 34. 2003 (Budapest, 2003)
Szurdoki, Erzsébet: Peat mosses of North Hungary
living there. The second was published from the Bátorliget Nature Reserves (Standovár et al. 1991) but it has disappeared. o Sphagnum riparium Angstr. This is a robust plant with green or brownish colour. The dark stem, conspicuous stem bud and the triangular-lingulate stem leaves with deeply notched tip are characteristic (DANIELS and EDDY 1985). There is only one small population of this species in Hungary. It lives in a few dm 2-sized patches in the upper part of the Köves-patak, in the spruce stand of "Kis-Bohó-rét" in the Zemplén Mts. There is a mixed patch composed of S. fimbriatum, S. obtusum and S. riparium and there are some S. fimbriatum patches also. S. riparium is a relatively new record for the present territory of Hungary (SZURDOKI et al. 2000). It does not appear to be a very stable population, and its survival at the present site is questioned (Table 1). Sphagnum cuspidatum Hoffm. This is a weak, long and usually floating plant. The long and narrow branches and large branch leaves are of great help in the identification. The non-typical specimens can be identified with difficulties (DANIELS and EDDY 1985). The first unpublished record of S. cuspidatum comes from 1951 in Hungary. Later, Lájer published it as new species from Hungary (LÁJER 1998a, b). The above mentioned first record is from North Hungary, Nagy-Mohos by Piroska Palik (Bryophyte Herbarium at BP) and in 2000 this species was found again during the monitoring of the bryophyte layer of Eriophoro vaginati-Sphagnetum recurvi association of Nagy-Mohos (ODOR et al. 2000, Szurdoki et al. in press). Lájer (1998e) published this species from the Caricetum lasioearpaeSphagnetum community of Nyíres-tó. The author did not found S. cuspidatum on Nyíres-tó. There are the only known occurrences of S. cuspidatum in North Hungary (Table 1 ). It seems to be a stable one, but the size of the populations is not known. Sphagnum obtusum Warnst. This plant is medium-sized to robust with green, yellowish or brownish colour. The stem cortex is distinguishable and the triangular-lingulate stem leaves have broadly truncate, eroded apices (0.2-0.3 mm across tip). The branch leaves are relatively large (1.8-2.2 mm). The hyaline cells have few pores (7-10 pm) on
