L. Hably szerk.: Studia Botanica Hungarica 18. 1985 (Budapest, 1985)
Juhász, Magdolna, Szerdahelyi, Tibor; Dávid, I.: Comparative spore morphology of the living Lycopodiaceae, I. European spores
STUDIA BOTANICA HUNGARICA (An tea: Fragmenta Botanica) XVIII. 1985 p. 77-85 Comparative spore morphology of the living Lycopodiaceae, I. European spores By M. JUHÁSZ, T. SZERDAHELYI and I. DÁVID (Received November 15, 1984) Abstract: The spores of nine European Lycopodiaceae species from the genera Lyco- podium. Huperzia. Lepidotis and Diphasium are compared. Five morphotypes are distinguished on the basis of spore wall ornamentation. INTRODUCTION The spores of recent Lycopodiaceae have been studied by many authors, as listed ERDTMAN and SORSA (1971,p.111., and p. 188.). GREGUSS (1?41) figured the spores of six Central European Lycopodiaceae species, KNOX (1950), on the basis of spore ornamentation, established five morphotypes: three foveolate (selago, phlegmaria, verticillatum), one reticulate (clavatum) and one echinate (densum). KRUTZSCH (1963) has studied spores of living Lycopodiaceae genera, namely, Phyllo- glossum . Urostachys, Lycopodium and created four morphological groups: foveolate, reticulate, hamulate and echinate morphogroups, with altogether twelwe morphotypes. Spore descriptions of some modern Lycopodiaceae can be found in the works of ERDTMAN, BERGLUND and PRAGLOWSKI (1961), ERDTMAN and SORSA (1971). The pollen and spore key prepared by NILSSON and PRAGLOWSKI (ERDTMAN, PRAGLOWSKI, NILSSON 1963) was also useful information for us. TUTIN et al. (1964) in Flora Europaea I., subdivided the family Lycopodiaceae into four genera and placed there ten species which occur also in Europe. These are as follows: 1. Genus: Huperzia Bernh.: Huperzia selago . 2. Genus: Lepidotis Beauv.: L. cernua , L. inundata . 3. Genus: Lycopodium L.: L. annotlnum . L. clavatum . L. dubium . 4. Genus: Diphasium C. Presl: D. complanatum , D. tristachyum , D. issleri . D. alpinum . In this paper the following problems were investigated: 1. Is it possible to separate the four genera on the basis of spore morphology? 2. Which qualitative and quantitative characteristics can be used to identify the species? 3. What is the geographical distribution of the species investigated? 4. In what morphological groups and morphological types can the spores of the European Lycopodiaceae be arranged? 5. Is there any morphological similarity between the fossil dispersed spores and the recent spores of the Lycopodiaceae species studied by the authors? MATERIAL AND METHOD Spore samples were collected from selected herbarium specimens which are deposited in Herbarium of Hungarian Natural History Museum.
