Our thanks again to the Friends of ACT Trees (FACTT) and especially to Steve Thomas who wrote these fascinating insights into trees, most of which are growing in the Arboretum.  Here is the index to these articles, which feature:
#1 - Casuarinas
#2 - Casuarinas - more
#3 - Casuarinas - local
#4 - Allocasuarinas
#5 - Cypress pine
#6 - Exocarpos
#7 - Root-soil interactions
#8 - Araucarias
#9 - Nothofagus (beech)
#10 - Taxonomists
#11 - Podocarpus

Thanks again, Steve!