Hrivnák, Richard

• Hacquetia Vol. 12 No. 2 (2013): Hacquetia - Articles
  Black alder dominated forest vegetation in the western part of central Slovakia – species composition and ecology
  Abstract  PDF (Slovenščina)
• Hacquetia Vol. 8 No. 2 (2009): Hacquetia - Articles
  Macrophyte vegetation of artificia l water reservoirs in the Krupinská planina Mts., including the first record of Potametum acutifolii from Slovakia
  Abstract  PDF (Slovenščina)
• Hacquetia Vol. 10 No. 2 (2011): Hacquetia - Articles
  Syntaxonomy and ecology of black alder vegetation in the southern part of central Slovakia
  Abstract  PDF (Slovenščina)
• Hacquetia Vol. 3 No. 1 (2004): Hacquetia - Articles
  THE BEECH FOREST VEGETATION OF THE CEROVÁ VRCHOVINA MTS. (SOUTHERN SLOVAKIA)
  Abstract  PDF (Slovenščina)
• Hacquetia Vol. 10 No. 2 (2011): Hacquetia - Articles
  Beckmannia eruciformis (L.) Host in Slovakia – distribution, ecology and coenotic affinity
  Abstract  PDF (Slovenščina)