The author discusses their syntaxonomic status in relation to the proposed division of the suballiance into three equivalent units.
W. MATUSZKIEWICZ 1997, 'ON SYSTEMATIC POSITION OF TH E FERTILE SUDETEN AND CARPATHIAN', Annali di Botanicahttp://annalidibotanica.uniroma1.it/index.php/Annalidibotanica/article/view/9027. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)