2005 California Health and Safety Code Sections 11390-11392 Article 7. Mushrooms

11390.  Except as otherwise authorized by law, every person who,
with intent to produce a controlled substance specified in paragraph
(18) or (19) of subdivision (d) of Section 11054, cultivates any
spores or mycelium capable of producing mushrooms or other material
which contains such a controlled substance shall be punished by
imprisonment in the county jail for a period of not more than one
year or in the state prison.
11391.  Except as otherwise authorized by law, every person who
transports, imports into this state, sells, furnishes, gives away, or
offers to transport, import into this state, sell, furnish, or give
away  any spores or mycelium capable of producing mushrooms or other
material which contain a controlled substance specified in paragraph
(18) or (19) of subdivision (d) of Section 11054 for the purpose of
facilitating a violation of Section 11390 shall be punished by
imprisonment in the county jail for a period of not more than one
year or in the state prison.
11392.  Spores or mycelium capable of producing mushrooms or other
material which contains psilocyn or psyoclyin may be lawfuly obtained
and used for bona fide research, instruction, or analysis, if not in
violation of federal law, and if the research, instruction, or
analysis is approved by the Research Advisory Panel established
pursuant to Sections 11480 and 11481.