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 Castilleja exserta has left across the world's sequence archives.
At a glance
DNA specimens4
Marker genes3
GenBank sequences3
eDNA detections4
Countries1
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.
★matK1★rbcLa★ITS2
plant barcodefungal barcode
06Genome at a glanceCCDB · GIFT
The complete instruction manualCastilleja exserta 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.
Chromosomes & ploidyhow the DNA is packaged
2n is the full chromosome count in a normal body cell; n is a gamete (egg or sperm), which carries half. Ploidy is how many complete chromosome sets each cell holds — 2× (diploid) is typical for animals, while higher levels (polyploidy) are common in plants. Click any value below to see the underlying records and sources.
Chromosome-count records — grouped by value · 2n = full set, n = gamete · click a value for sources & references
2n 242×CCDB · book-fedorov · GIFT · GIFT (floras)
CCDB · book-fedorov — Lewis H. (D. n. 1959)
GIFT · GIFT (floras)
n 124×CCDB · ipcn-api-dl · CCDB · Cave1959
CCDB · ipcn-api-dl — Chuang, T. I. & L. R. Heckard. 1982. Chromosome numbers of Orthocarpus and related monotypic genera (Scrophulariaceae: subtribe Castillejinae). Brittonia 34: 89–101.
CCDB · Cave1959 — H, Lewis 1959
Ploidy records — measured levels and diploid/polyploid inferences · click for sources
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Coordinate accuracy89% within 1 km
≤100 m 5 508≤1 km 932≤10 km 486>10 km 307
7 233 georeferenced · 2 266 without coordinates
Open the mapobservation + sensor9 499
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 accuracy63% within 1 km
≤100 m 41≤1 km 153≤10 km 105>10 km 7
306 georeferenced · 469 without coordinates
Open the institutions mapphysical evidence775
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 institutions41 of 57 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Riverside, US
171
San Luis Obispo, US
70
DOI/NPS, Little Rock Central High School National Historic Sitelocation not on record
62
ASUlocation not on record
59
Claremont, US
56
Turlock, US
39
Davis, US
38
Phoenix, US
36
Severin-McDaniel Insect Collectionlocation not on record
20
Flagstaff, US
20
San Diego, US
17
Santa Barbara, US
16
WTUlocation not on record
16
Santa Cruz, US
15
Bloomington, US
14
Northridge, US
14
Canadian Department of Agriculturelocation not on record
10
CASlocation not on record
8
Irvine, US
7
Los Angeles, US
7
Catalina Island Conservancylocation not on record
7
Long Beach, US
7
US
5
Mount Annan, AU
4
DOI/NPS, Greenbelt Parklocation not on record
4
Kew, GB
4
Museo Entomologico de Leonlocation not on record
4
San Jose, US
3
Arizona State University Biocollectionslocation not on record
3
La Paz, MX
3
University of Stellenboschlocation not on record
2
Logan, US
2
Florida Museum of Natural History- Zoology, Paleontology & Paleobotanylocation not on record
2
Wuzhou, CN
2
Bronx, US
2
Albuquerque, US
2
Cambridge, US
2
San Angelo, US
1
Provo, US
1
Saint Louis, US
1
San Jose State University, Museum of Birds and Mammalslocation not on record
1
Clemson, US
1
Parkville, AU
1
Fullerton, US
1
Tempe, US
1
Mérida, MX
1
Ensenada, MX
1
Moscow, US
1
Mississippi State, US
1
The University of Arizonalocation not on record
1
Jurica-Suchy Nature Museumlocation not on record
1
EL PASO, US
1
BAYLUlocation not on record
1
Macomb, US
1
Tacoma, US
1
Tampa, US
1
Chicago, US
1
57 institutions · 773 of 775 vouchered records shown · 2 without an institution code
09Environmental DNA4 detections
Where the DNA of Castilleja exserta 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 found4
Studies independent surveys1
Countries1
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 4 detections have coordinates
Open the map1 country0
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 median15.0 °C 15.0–15.0
Seasonal swing summer↔winter10.4 °C
Max temp (day)20.5 °C
Min temp (night)9.90 °C
Precipitation29.5 mm/mo
Air humidity59.9 %
Moisture balance-86.0 mm/mo
Vapour deficit684 Pa
Wind speed1.30 m/s
Cloud cover27.6 %
CHELSA 1981–2010, ~9 km grid, at location & month of 1 detection point · 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.