Species (51)
- Rubus rorulentus Halácsy
- Rubus laxiflorus Halácsy
- Rubus ceticus Halácsy
- Rubus decorus Halácsy
- Diaparsis bannapeana KHALAIM 2011
- Diaparsis bolikhamsaica KHALAIM 2011
- Diaparsis isfirae KHALAIM 2008
- Diaparsis mandibulator KHALAIM 2011
- Diaparsis propodeator KHALAIM 2011
- Diaparsis saeva KHALAIM 2008
- Diaparsis viela KHALAIM 2011
- Slonopotamus elephantoides KHALAIM 2011
- Slonopotamus indianus KHALAIM 2011
- Rubus pseudomelanoxylon Halácsy
- Rubus preissmannii Halácsy
- Rubus gloggnitzensis Halácsy
- Rubus inaequalis Halácsy
- Rubus pseudomelanoxylon Halácsy
- Pulsatilla x mixta Halácsy
- Rubus X incertus Halácsy
- Cerastium dörfleri Halacsy
- Zercon fageticola Halasková 1969
- Zercon pinicola Halasková 1969
- Rubus grembichlii Halácsy E.
- Rubus grembichlii Halácsy E.
- Rubus gremlii Focke ssp. styriacus (Halácsy) Hayek
- Polystichum X lonchitiforme (Halácsy) Bech.
- Rubus erythrostachys (Sabr.) Halácsy
- Pilosella halacsyi (Halácsy) Soják
- Dianthus minutiflorus (Brob.) Halácsy
- Campanula spatulata Sm. ssp. filicaulis (Halacsy) Phitos
- Silene cythnia (Halacsy) Walters
- Anthemis rigida Boiss. ex Heldr. ssp. liguliflora (Halacsy) Greuter
- Rubus halacsyi Borbás ex Halácsy
- Rubus greinensis Halácsy ex Topitz
- Rubus graniticolus Halácsy ex Topitz
- Dactylorhiza x braunii (Halácsy) Borsos & Soó
- Pithyella frullaniae (Chalaud) Döbbeler 2004
- Hieracium pachycymigerum Gottschl.
- Hieracium halacsyi Heldr.
- Hieracium neogelmii Gottschl.
- Brassica cretica Lam. ssp. aegaea (Heldr. & Halacsy) Snogerup, Gustafsson & Bothmer
- Dactylorhiza fuchsii X majalis
- Hala stenzii Brumati ssp. cincta
- Hala stenzii Rossmässler ssp. stenzii
- Helix cincta Kobelt ssp. anatolica
- Monacha haifaensis Pallary
- Cochlicella acuta Müller O.F. 1774 ssp. acuta
- Perlodes microcephala Pictet
- Protonemura auberti Illies
- Eobania vermiculata Müller O.F. 1774