As of 2022-03-07, the Wikidata property Observation.org ID (P6105) is used on 161,577 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P846 GBIF taxon ID 153,112
 0.0595
P3151 iNaturalist taxon ID 97,800
 0.1102
P2671 Google Knowledge Graph ID 87,149
 0.0117
P830 Encyclopedia of Life ID 80,881
 0.0688
P685 NCBI taxonomy ID 76,700
 0.1148
P815 ITIS TSN 70,049
 0.0986
P5055 IRMNG ID 69,717
 0.0481
P6864 eBiodiversity ID 66,069
 0.3205
P7715 World Flora Online ID 58,521
 0.0592
P961 IPNI plant ID 55,380
 0.0567
P960 Tropicos ID 53,111
 0.0755
P9157 Open Tree of Life ID 52,904
 0.0836
P5037 Plants of the World online ID 52,734
 0.0723
P1070 PlantList-ID 50,116
 0.0986
P6177 EUNIS ID for species 44,826
 0.1507
P3186 TAXREF ID 43,923
 0.1395
P646 Freebase ID 41,706
 0.0092
P8707 NBIC taxon ID 31,591
 0.1235
P838 BioLib taxon ID 31,154
 0.0657
P3606 BOLD Systems taxon ID 28,002
 0.0893
P3240 NBN System Key 27,929
 0.1158
P4807 Fauna Europaea New ID 26,925
 0.0871
P1895 Fauna Europaea ID 25,609
 0.1005
P1939 Dyntaxa ID 25,503
 0.1126
P3405 Nederlands Soortenregister ID 23,646
 0.1162
P850 WoRMS-ID for taxa 22,698
 0.0274
P5263 Czech NDOP taxon ID 21,030
 0.1115
P3591 WCSPF ID 19,018
 0.0590
P7202 Belgian Species List ID 17,681
 0.0942
P3031 EPPO Code 17,126
 0.0804
P8915 ZOBODAT taxon ID 15,753
 0.0880
P10243 NatureServe Explorer ID 15,352
 0.0649
P7552 Finnish Biodiversity Information Facility's Species List ID 13,453
 0.0750
P4024 ADW taxon ID 12,770
 0.0652
P6366 Microsoft Academic ID 11,509
 0.0274
P3105 Tela Botanica ID 11,288
 0.0614
P6142 Verspreidingsatlas.nl ID 9,652
 0.0573
P2036 African Plant Database ID 9,614
 0.0369
P6018 SeaLifeBase ID 9,571
 0.0363
P7224 Insects (Insecta) of the World ID 9,253
 0.0394
P4728 uBio ID 9,065
 0.0475
P2752 New Zealand Organisms Register ID 8,936
 0.0348
P3064 LepIndex ID 8,893
 0.0225
P8072 CAB ID 8,694
 0.0404
P9839 izeltlabuak.hu ID 7,723
 0.0465
P1772 USDA PLANTS ID 7,427
 0.0369
P2426 Xeno-canto species ID 7,382
 0.0447
P3444 eBird taxon ID 7,220
 0.0431
P5257 BirdLife taxon ID 7,082
 0.0426
P6039 Australian Faunal Directory ID 6,423
 0.0218

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P6864 eBiodiversity ID 66,069
 0.3205
P6177 EUNIS ID for species 44,826
 0.1507
P3186 TAXREF ID 43,923
 0.1395
P8707 NBIC taxon ID 31,591
 0.1235
P3405 Nederlands Soortenregister ID 23,646
 0.1162
P3240 NBN System Key 27,929
 0.1158
P685 NCBI taxonomy ID 76,700
 0.1148
P1939 Dyntaxa ID 25,503
 0.1126
P5263 Czech NDOP taxon ID 21,030
 0.1115
P3151 iNaturalist taxon ID 97,800
 0.1102
P1895 Fauna Europaea ID 25,609
 0.1005
P815 ITIS TSN 70,049
 0.0986
P1070 PlantList-ID 50,116
 0.0986
P7202 Belgian Species List ID 17,681
 0.0942
P3606 BOLD Systems taxon ID 28,002
 0.0893
P8915 ZOBODAT taxon ID 15,753
 0.0880
P4807 Fauna Europaea New ID 26,925
 0.0871
P9157 Open Tree of Life ID 52,904
 0.0836
P3031 EPPO Code 17,126
 0.0804
P960 Tropicos ID 53,111
 0.0755
P7552 Finnish Biodiversity Information Facility's Species List ID 13,453
 0.0750
P5037 Plants of the World online ID 52,734
 0.0723
P830 Encyclopedia of Life ID 80,881
 0.0688
P838 BioLib taxon ID 31,154
 0.0657
P4024 ADW taxon ID 12,770
 0.0652
P10243 NatureServe Explorer ID 15,352
 0.0649
P3105 Tela Botanica ID 11,288
 0.0614
P846 GBIF taxon ID 153,112
 0.0595
P7715 World Flora Online ID 58,521
 0.0592
P3591 WCSPF ID 19,018
 0.0590
P6142 Verspreidingsatlas.nl ID 9,652
 0.0573
P961 IPNI plant ID 55,380
 0.0567
P5055 IRMNG ID 69,717
 0.0481
P4728 uBio ID 9,065
 0.0475
P9839 izeltlabuak.hu ID 7,723
 0.0465
P2426 Xeno-canto species ID 7,382
 0.0447
P3444 eBird taxon ID 7,220
 0.0431
P5257 BirdLife taxon ID 7,082
 0.0426
P8072 CAB ID 8,694
 0.0404
P7224 Insects (Insecta) of the World ID 9,253
 0.0394
P2036 African Plant Database ID 9,614
 0.0369
P1772 USDA PLANTS ID 7,427
 0.0369
P6018 SeaLifeBase ID 9,571
 0.0363
P2752 New Zealand Organisms Register ID 8,936
 0.0348
P2833 ARKive ID 5,760
 0.0336
P2026 Avibase ID 5,466
 0.0330
P5473 The Reptile Database ID 5,446
 0.0325
P4902 CONABIO ID 6,260
 0.0313
P1747 Flora of China ID 6,237
 0.0313
P3088 Catalogue of Life in Taiwan ID 6,174
 0.0303