Most log books have a column for Instrument Flight, i.e. flight in Instrument Conditions, whether simulated or actual, but few I've seen (if any?) have specific columns for VFR and IFR (which can be flown in VMC at 3,000' AMSL, provided the requirements for IFR are met!).
Personally, I record IF as that time spent in actual or simulated instrument conditions and don't bother recording IFR apart from a comment in the remarks column.
Both FAA and JAA seem quite happy with that.