Cvetanoska, S., Ćušterevska, R., Kostadinovski, M., Cvetkoska, C., Stojkoska, A. and Matevski, V. 2021. First confirmation of the presence of the species Polygonum arenarium Waldst. & Kit. (Polygonaceae) in the flora of the Republic of North Macedonia. Macedonian Journal of Ecology and Environment. 23, 2 (Dec. 2021), 115–118. DOI:https://doi.org/10.59194/MJEE21232115c.