Natura - nature Status: extant actualia - actual entities Status: extant Mundus Plinius - physical world Status: extant naturalia - natural bodies Status: extant "crystal-kingdom" Status: extant chemical substances Status: extant chemical compounds Status: extant Class alkaloids Status: extant aconitine [C34H47NO11] Status: extant anabasine Status: extant arecoline Status: extant berberine Status: extant brucine Status: extant cinchonine Status: extant codeine Status: extant colchicine Status: extant coniine Status: extant curarine Status: extant emetine Status: extant ephedrine Status: extant hygrine Status: extant hyoscine Status: extant kinine Status: extant lupinine Status: extant morphine [C17H19NO3] Status: extant muscimol Status: extant nicotine Status: extant noscapine Status: extant papaverine Status: extant pilocarpine Status: extant piperidine Status: extant piperine Status: extant Class pyrrolizidine alkaloids Status: extant reticuline Status: extant ricinine Status: extant strychnine Status: extant thebaine Status: extant trigonelline Status: extant Class tropane alkaloids Status: extant Class xanthines Status: extant yohimbine Status: extant