Variability of southern sweet-grass (Hierochloë australis /Schrad./ Roem. & Schult.) wild growing populations occurring in eastern Poland Journal title: Herba Polonica Authors: Zenon Węglarz, Katarzyna Bączek, Mirosław Angielczyk, Marcin Ejdys, Jarosław Przybył, Olga Kosakowsk... Subject(s):