1	"Opercula prominently beaked; Murray–Darling Basin"	"Eucalyptus camaldulensis subsp. camaldulensis"
1	"Opercula obtuse, rounded, acute or horn-shaped; widespread"	2
2	"Opercula acute"	3
2	"Opercula horn-shaped, obtuse or rounded"	4
3	"Opercula 2–4 mm long; Flinders Ranges SA"	"Eucalyptus camaldulensis subsp. minima"
3	"Opercula 6–9 mm long; Qld and northern NSW"	"Eucalyptus camaldulensis subsp. acuta"
4	"Opercula horn-shaped, 10–12 mm long; north Qld"	"Eucalyptus camaldulensis subsp. simulata"
4	"Opercula obtuse or rounded"	5
5	"Adult leaves shiny; Pilbara in WA"	"Eucalyptus camaldulensis subsp. refulgens"
5	"Adult leaves dull"	6
6	"Adult leaves bluish, venation sparse to moderate; bark various shades of red, brown, white, cream or grey; arid zone"	"Eucalyptus camaldulensis subsp. arida"
6	"Adult leaves green, venation dense to very dense; bark mainly cream or white; tropical WA, NT, NW and Qld"	"Eucalyptus camaldulensis subsp. obtusa"