A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Smilax tamnoides has left across the world's sequence archives.
At a glance
DNA specimens23
Marker genes6
GenBank sequences7
eDNA detections18
Countries2
The DNA barcodea real sequence read deposited for this species
★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.
★COI-5P★matK2★rbcL5★rbcLa★ITStrnH-psbA
animal barcodeplant barcodefungal barcodemarker
06Genome at a glanceGoaT
The complete instruction manualSmilax tamnoides carries — its genome. We read it from three angles — how big it is, how the DNA is packed into chromosomes, and how completely it has been sequenced — and explain how to read each value as you go.
Genome sizehow big the whole instruction manual is
Genome size4 435 230 000 bp
Measured in base pairs (bp) — the individual letters of DNA (human ≈ 3.2 Gb, a bacterium a few million). The chart places this genome on a logarithmic scale — each step to the right is ten times bigger — among reference organisms. Across species a bigger genome loosely tracks with larger cells, slower growth and lower-energy lifestyles (powered flight favours small genomes) — yet it does not imply more genes or a more advanced organism (the long-standing C-value paradox).
BACTERIUM Carsonella ruddii0.00016 Gb
FUNGUS0.04 Gb
INSECT0.25 Gb
HUMAN3.2 Gb
THIS GENOME Smilax tamnoides4.44 Gb
WHEAT17 Gb
FERN Tmesipteris160.45 Gb
08Occurrence & distribution
Record type9 888 records
Wild obs. + sensor8 822
Museum / vouchered1 065
Cultivated / captive1
Origin
Introduced1
Range
Area of Occupancy AOO23 656 km²
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Coordinate accuracy88% within 1 km
≤100 m 5 247≤1 km 1 005≤10 km 351>10 km 508
7 111 georeferenced · 1 711 without coordinates
Open the mapobservation + sensor8 822
Museum / Voucheredphysical evidence
Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.
Coordinate accuracy44% within 1 km
≤100 m 83≤1 km 239≤10 km 329>10 km 73
724 georeferenced · 341 without coordinates
Open the institutions mapphysical evidence1 065
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
Coordinate accuracy0% within 1 km
≤10 km 1
1 georeferenced
Open the mapnot free-living1
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
10Collections & institutions
Holding institutions43 of 67 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Wuzhou, CN
213
Bloomington, US
160
Chongqing Museumlocation not on record
134
St. Paul, US
95
International Salmonella Centre (W.H.O.)location not on record
68
Austin, US
43
Fort Worth, US
42
Tampa, US
39
BAYLUlocation not on record
33
Dekalb, US
18
Miami, US
15
University of Wisconsinlocation not on record
13
Florida Museum of Natural History- Zoology, Paleontology & Paleobotanylocation not on record
13
Williamsburg, US
11
DOI/NPS, Mississippi National River & Recreation Arealocation not on record
10
Tall Timbers Research Stationlocation not on record
10
Jena Microbial Resource Collectionlocation not on record
10
Valdosta State Universitylocation not on record
8
Saint Louis, US
7
US
7
Toronto, CA
6
Museum of the Rockieslocation not on record
6
Emporia, US
5
Norfolk, US
5
Morgantown, US
4
Auckland, NZ
4
Tuscaloosa, US
4
McWane Science Centerlocation not on record
3
Lord Fairfax Community Collegelocation not on record
3
Smithsonian Institutionlocation not on record
3
Ann Arbor, US
3
Knoxville, US
3
Bronx, US
3
Columbia, US
3
Macomb, US
3
AUAlocation not on record
2
Denver, US
2
Oswego, US
2
Mississippi State, US
2
DOI/NPS, Greenbelt Parklocation not on record
2
University of Stellenboschlocation not on record
2
Clemson, US
2
National Institute of Biological Resourceslocation not on record
2
Whitewater, US
2
University of Guelph, OAC Herbariumlocation not on record
2
Riverside, US
1
Durango, MX
1
Cincinnati, US
1
Chadron, US
1
EL PASO, US
1
Tennessee Technological Universitylocation not on record
1
Provo, US
1
University of Tennessee at Chattanoogalocation not on record
1
Turlock, US
1
Bangkok, TH
1
Decorah, US
1
Claremont, US
1
Hudson, US
1
Audubon Society -- Silver Bluff Audubon Center and Sanctuarylocation not on record
1
College Park, US
1
Museo civico La Terra e l'Uomo di Crocetta del Montellolocation not on record
1
Phoenix, US
1
Elikins, US
1
Giardini Botanici Hanburylocation not on record
1
Tempe, US
1
Flagstaff, US
1
GAlocation not on record
1
67 institutions · 1 049 of 1 065 vouchered records shown · 8 without an institution code
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
09Environmental DNA18 detections
Where the DNA of Smilax tamnoides was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.
Signal
Detections DNA found18
Studies independent surveys1
Countries2
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 18 detections have coordinates
Open the map2 countries0
How strong is each trace?
DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.
Modelled climatemodelled
−15°Ctemperature across detection sites+40°C
Temperature median12.5 °C 11.8–15.7
Seasonal swing summer↔winter27.0 °C
Max temp (day)18.4 °C 17.0–20.8
Min temp (night)8.20 °C 7.10–11.6
Precipitation79.6 mm/mo 79.6–99.2
Air humidity57.3 % 55.8–58.6
Moisture balance-38.4 mm/mo -48.0–0.8
Vapour deficit733 Pa 673–795
Wind speed5.80 m/s 3.00–5.80
Cloud cover36.7 % 36.7–43.9
CHELSA 1981–2010, ~9 km grid, at location & month of 13 detection points · median with p10–p90 · reflects where sampling happened, not only the true niche
How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility9 888 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI18 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics23 specimens↗
NCBIUS National Library of Medicinesequences↗
GRIN TaxonomyUSDA-ARSdistribution & uses↗
Open Tree of LifeOpenTreephylogeny backbone↗
GoaTGenomes on a Tree · Sangergenome ~4.44 Gbp↗
Paleobiology DatabasePBDB consortiumfossil record↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗