EO, EOs	Essential oil, essential oils
exp.	Experimental
HCA	Hierarchical cluster analysis
LA	Lavandula angustifolia
LI	Lavandula x intermedia
LL	Lavandula latifolia
LRI	Linear retention index
NAAS	National Academy of Agrarian Sciences
nr	Not regulated
PC	Principal component
PCA	Principal component analysis
Ph. Eur.	European Pharmacopeia
SE	Standard error
ref.	Reference
TF	Total flowering
TIC	Total ion current
un	Undetected