IK db. see also Lejeunia, 143: 61 (1994); Birth year at: https://www.nordkurier.de/neustrelitz/ur-gestein-der-neustrelitzer-naturschuetzer-muss-kuerzertreten-1237022510.html (via Boris Heuer)
Example of Name Published
Dactylorhiza x wisniewskii Hemke in Mitt. Arbeitskr. Heim. Orch. Zentr. Fachausschusses Bot. Kulturb. DDR, 8: 51 (1978), contrary to Art. 37.3 ICBN (1994)