{"thcode":2,"term":{"code":647,"name":"lichens","parent":843,"scope":"Plants that are composed of a fungus and an alga growing together symbiotically and often found growing on rocks or tree trunks."},"uf":[],"bt":[{"code":843,"name":"organisms","parent":1174,"scope":"Living individuals that grow, reproduce, and die."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":767,"name":"mycology","parent":650,"scope":"Branch of biology concerned with the study of fungi."},{"code":890,"name":"phycology","parent":127,"scope":"Branch of biology concerned with the study of algae."}]}