North Carolina's drug schedules generally mimic the federal rules.

However, there are some differences.

The federal government has five classifications, ranging from heroin and LSD in Schedule I to over-the-counter cough syrup in Schedule V. North Carolina has an additional class, Schedule VI, which includes marijuana and some prescription drugs.

The use and effects of the drug are supposed to determine which schedule it goes into.

At the federal level, the Drug Enforcement Administration and the Food and Drug Administration determine which substances are in the different schedules.

In North Carolina, the make-up of each schedule is written into state law or determined by the Commission for Mental Health, Developmental Disabilities and Substance Abuse Services, whose members are appointed.

Only a handful of drugs have been added administratively, however. (See Schedules I, II, III, IV, V and VI.) Most are listed in state law. (See Schedules I, II, III, IV, V and VI.)

Correction: An earlier version of this post misstated cocaine's classification. It is a Schedule II drug.

Previously: Bill would add Salvia divinorum to Schedule I.

After the jump, a list of the schedules.

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At least 14 states have regulated Salvia.

According to the National Conference of State Legislatures, 11 states have made Salvia divinorum a Schedule I drug, typically reserved for hard drugs such as cocaine and heroin.

They are: Delaware, Florida, Illinois, Kansas, Maine, Mississippi, Missouri, North Dakota, Oklahoma, South Carolina and Virginia.

In addition, Louisiana and Tennessee have banned the ingestion of salvia for hallucinogenic purposes, but still allow the plant to be grown. California has made it a misdemeanor to sell it to someone under 18.

The U.S. Drug Enforcement Administration lists Salvia as a "drug of concern" and is conducting an analysis of its risks, but there are currently no federal laws restricting it.

Matthew Gever, an NCSL policy associate, said the state laws have been boosted by concerns over YouTube videos posted by teen-agers and college students showing them using the drug.

"It's been under the radar until the last few years," he said.

Correction: An earlier version of this post misstated the California law.

Previously: N.C. bill would outlaw salvia