Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Raggio floematico-it#Sense
Rayon médullaire-fr#Sense
Phloem ray-en#Sense
Rayo phloematico-es#Sense
Rayo medular-es#Sense
Rindenmarkstrahl-de#Sense