STAPFIA: reports 53 STÖHR & al.  STAPFIA 97 (2012): 53–136 Beiträge zur Flora von Österreich, IV O. STÖHR*, P. PILSL, M. STAUDINGER, G. KLEESADL, F. ESSL, TH. ENGLISCH, A. LUGMAIR & H. WITTMANN Abstract: Floristic records of 320 interesting vascular plants are reported for Austria including the following taxa as new for the stated Austrian provinces (* – new for Austria): Vienna: Allium christophii, Cynoglossum hungaricum; Lower Austria: Broussonetia papyrifera, Rhodotypos scandens*, Taraxacum panalpinum; Upper Austria: Bolboschoenus yagara, Epipactis bugacensis × E. helleborine*, Eryngium giganteum, Oenothera biennis × Oe. rubricaulis*, T araxacum vernelense; Styria: Taraxacum petiolulatum, T araxacum vernelense; Carinthia: Cotoneaster bullatus, Cotoneaster dielsianus, Pedicularis recutita × P. tuberosa, Taraxacum obitsiense; Salzburg: Aira caryophyllea, Amaranthus hypochondriacus, Anemone nemorosa × A. ranunculoides, Dryopteris carthusiana × D. dilatata, subsp. wirtgenii, Hieracium dentatum subsp. pseudovillosum, Hieracium nothum, Hieracium pachypilon, Hieracium porrectum, Hyacinthoides hispanica × H. non-scripta*, Lathraea squamaria subsp. tatrica, Linum catharticum var. subalpinum, Mentha aquatica × M. arvensis × M. spicata, Oenothera biennis × Oe. rubricaulis*, Oenothera fruticosa*, Picris hieracioides subsp. , Polypodium interjectum × P . vulgare, Rheum palmatum subsp. tanguticum*, Stellaria neglecta, T eucrium hyrcanicum, Tilia cordata × T . dasystyla*, Trisetum  subsp. purpurascens, Vaccinium angustifolium × V. corymbosum; Tyrol: Cotoneaster bullatus, Equisetum ramosissimum × E. hyemale, Hornungia alpina subsp. austroalpina, Monarda didyma, Nepeta racemosa, Nymphaea candida, , Sorbus austriaca, Sporobolus neglectus; Vorarlberg: Dittrichia graveolens. New for East-Tyrol are: Allium ursinum, Carex hartmanii, Dipsacus laciniatus, Dittrichia graveolens, Eragrostis multicaulis, Iris pseudacorus, Juncus bulbosus subsp. bulbosus, Taraxacum obitsiense and T araxacum vernelenseSalzburg: Dryopteris cristata, , Inula brittanica (adventive), V iola pyrenaica; Tyrol: Carex hartmanii, Juncus bulbosus subsp. bulbosus; Vorarlberg: Juncus bulbosus subsp. bulbosusDittrichia graveolens, Glyceria striata und  Calla palustris, Chondrilla juncea, Elytrigia (Elymus) intermedia, Hieracium caespitosum, Nonea pulla and T eucrium botrys are added. Rare taxa like Anemone nemorosa × A. ranunculoides, Campanula barbata subsp. strictopedunculata, Carex disticha, Epipactis bugacensis × E. helleborine, Hyacinthoides hispanica × H. non-scripta, Pedicularis recutita × P . tuberosa, Ranunculus cassubicifolius and Rhodotypos scandens are  Zusammenfassung-   Alchemilla, Hieracium, Oenothera, T araxacum Wien: Allium christophii, Cynoglossum hungaricum;  Broussonetia papyrifera, Rhodotypos scandens*, Taraxacum panalpinum;  Bolboschoenus yagara, Epipactis bugacensis × E. helleborine*, Eryngium giganteum, Oenothera biennis × Oe. rubricaulis*, T araxacum vernelense;  Taraxacum petiolulatum, Taraxacum vernelense;  Cotoneaster bullatus, Cotoneaster dielsianus, Pedicularis recutita × P . tuberosa, T araxacum obitsiense; Salzburg: Aira caryophyllea, Amaranthus hypochondriacus, Anemone nemorosa × A. ranunculoides, Dryopteris carthusia- na × D. dilatata, subsp. wirtgenii, Hieracium dentatum subsp. pseudovillosum, Hieraci- um nothum, Hieracium pachypilon, Hieracium porrectum, Hyacinthoides hispanica × H. non-scripta*, La- thraea squamaria subsp. tatrica, Linum catharticum var. subalpinum, Mentha aquatica × M. arvensis × M. spicata, Oenothera biennis × Oe. rubricaulis*, Oenothera fruticosa*, Picris hieracioides subsp. , Polypodium interjectum × P . vulgare, Rheum palmatum subsp. tanguticum*, Stellaria neglecta, T eucrium hyrcanicum, Tilia cordata × T . dasystyla*, subsp. purpurascens, V accinium angustifolium × V. corymbosum; Tirol: Cotoneaster bullatus, Equisetum ramosissimum × E. hyemale, Hornungia alpina © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at