Taxonomical and chorological notes 18 (184–194).

Bauer, Norbert and Rédei, Tamás and Barabás, Sándor and Locsmándi, Csaba and Mesterházy, Attila and Mészáros, A. and Molnár, Csaba and Vajna, Flóra and Takács, Attila (2023) Taxonomical and chorological notes 18 (184–194). STUDIA BOTANICA HUNGARICA, 54 (2). pp. 205-224. ISSN 0301-7001

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Abstract

Floristical records of one fungus and ten flowering plants are presented from Hunga- ry. We report a new occurrence of Calvatia candida in a valuable Pannonian sandy steppe hab- itat. Some of our floristical data present new occurrences of species that are rare in Hungary, but in the case of Orobanche minor, Minuartia viscosa, due to the low number of recent floristi- cal data, we also try to clarify the distribution pattern of the species with data from specimens documented in the BP herbarium. The first occurrences of the rare, red-listed species Papaver hybridum was detected from the Duna-sík region. We report the first data of Orobanche mi- nor from the Hungarian Middle Mountain Ranges, Minuartia viscosa is new for the south- ern part of the Mezőföld. A new record of Dactylorhiza sambucina from the Vértes Mts, which is in decline in our low-middle mountain areas, is published, an important observation from a conservation point of view. The data of Potentilla patula reported here is a new observa- tion for the area of Cserhát-vidék. Our other data are from ruderal habitats, where we report observations of taxa that are mainly expanding but with few records in Hungary. The second Hungarian record of Senecio × helwingii is from the district of Zugló in Budapest. Erigeron su- matrensis has been found in several regions of Hungary, Euphorbia glyptosperma, Gypsophila per- foliata new occurrences were found in the border of Kecskemét. The recently suggested spread- ing of Medicago orbicularis is confirmed by new occurrence data from the Tihany Peninsula.

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