English AGROVOC

BT Vascular tissues
BT Plant tissues
BT Plant anatomy
RT Heartwood
RT Parenchyma
RT Sapwood
RT Sclerenchyma
RT Tracheids
RT Vascular bundles
RT Wood anatomy
(Lao)
   ທໍ່ລຳລຽງນ້ຳ
(French)
   Xylème
(Spanish)
   Xilema