<unk>  is the milky fluid secreted by several species of lettuce, especially Lactuca virosa, usually from the base of the stems. It is known as lettuce opium because of its sedative and analgesic properties. It has also been reported to promote a mild sensation of euphoria. Because it is a latex,<unk>  physically resembles opium, in that it is excreted as a white fluid and can be reduced to a thick smokable solid.
Lactucarium
Candida 
Cryptococcus
Aspergillus
Chrysosporium
Aspergillus tubingensis
Candida parapsilosis
Actinobacillus