TY  - JOUR
AU  - Shkuratova, Natalya V.
PY  - 2014
TI  -  About formation of circular structures in the bark of willows from the subgenus Vetrix
JF  - Modern Phytomorphology; Vol 6 (2014)
DO  - 10.5281/zenodo.160766
KW  - 
N2  -  The circular periderms in trunks bark of four species of willows from subgenus  Vetrix  have been studied. It was ascertained that in  S. hultenii  and  S. livida  bark circular periderms are represented while in close and controversal species  S. caprea  and  S. starkeana  such structures are absent. 
UR  - http://ojs.phytomorphology.org/index.php/MP/article/view/156