organism: plant metagenome
attributes.tag: isolate
attributes.value: methanogens
attributes.tag: cultivar
attributes.value: poplar
attributes.tag: ecotype
attributes.value: subtropical
attributes.tag: age
attributes.value: 14
attributes.tag: dev_stage
attributes.value: mature
attributes.tag: geo_loc_name
attributes.value: China:Sihong
attributes.tag: tissue
attributes.value: stem
attributes.tag: tmp
attributes.value: 11
attributes.tag: collection_date
attributes.value: missing
attributes.tag: host
attributes.value: missing
attributes.tag: isolation_source
attributes.value: missing
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: BioSampleModel
attributes.value: Metagenome or environmental