Cercocarpus douglasii, common name Klamath mountain mahogany, is a plant species native to northern California and southwestern Oregon. Cercocarpus douglasii is a tree up to 5 meters (17 feet) tall with rough, gray bark. Leaves are oblong to oblanceolate, up to 5 cm (2 inches) long, with rounded tips, green and hairless on the upper side but whitish with woolly hairs underneath. Flowers are borne in groups of 2 or 3 in the axils of the leaves.Rydberg, Per Axel, in Britton, Nathaniel Lord. 1913. North American Flora 22(5): 421.Baldwin et al. 2012. Jepson Manual: Vascular Plants of California, ed 2. University of California Press, Berkeley.
No narrative description available for this taxon yet.
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 Cercocarpus betuloides has left across the world's sequence archives.
At a glance
DNA specimens4
Marker genes3
eDNA detections3
Countries1
Marker genes sequenced
★ 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.
★matK★rbcLa★ITS
plant barcodefungal barcode
08Occurrence & distribution
Record type6 730 records
Wild obs. + sensor6 047
Museum / vouchered683
Origin
Native167
Range
Area of Occupancy AOO10 336 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 accuracy91% within 1 km
≤100 m 3 536≤1 km 467≤10 km 202>10 km 176
4 381 georeferenced · 1 666 without coordinates
Open the mapobservation + sensor6 047
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 accuracy59% within 1 km
≤100 m 79≤1 km 182≤10 km 162>10 km 17
440 georeferenced · 243 without coordinates
Open the institutions mapphysical evidence683
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 institutions44 of 59 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Claremont, US
181
San Diego, US
72
Davis, US
68
San Luis Obispo, US
37
Santa Barbara, US
33
Angwin, US
27
DOI/NPS, Little Rock Central High School National Historic Sitelocation not on record
25
Irvine, US
20
Long Beach, US
17
Fredericton Stock Culture Collectionlocation not on record
16
Northridge, US
15
Ensenada, MX
14
San Bernardino, US
13
Los Angeles, US
11
US
11
Tampa, US
10
CASlocation not on record
9
Ashland, US
7
San Jose, US
6
Chongqing Museumlocation not on record
5
Riverside, US
4
Bangkok, TH
4
University of Stellenboschlocation not on record
4
ASUlocation not on record
4
Kew, GB
3
Western Carolina Universitylocation not on record
3
Bronx, US
3
MeiseBGlocation not on record
3
San Francisco, US
2
Cambridge, US
2
Boise, US
2
EL PASO, US
2
Pomona Collegelocation not on record
2
La Paz, MX
2
KNFHClocation not on record
2
Calabar, NG
2
Saint Louis, US
2
Portland, US
2
Corvallis, US
2
Flagstaff, US
2
Turlock, US
1
Christchurch, NZ
1
Facultad de Zootecnia y Ecología, Universidad Autónoma de Chihuahualocation not on record
1
Pullman, US
1
Philadelphia, US
1
Taipei, TW
1
SEINetlocation not on record
1
Chapingo, MX
1
Toronto, CA
1
Chadron, US
1
Catalina Island Conservancylocation not on record
1
Austin, US
1
GB
1
Santa Cruz, US
1
Severin-McDaniel Insect Collectionlocation not on record
1
Logan, US
1
DOI/NPS, Colonial National Historical Parklocation not on record
1
Denver, US
1
Wellington, NZ
1
59 institutions · 668 of 683 vouchered records shown · 15 without an institution code
09Environmental DNA3 detections
Where the DNA of Cercocarpus betuloides 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 found3
Studies independent surveys1
Countries1
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 3 detections have coordinates
Open the map1 country0
Burned chaparral (Cedar Fire, 2003) Ceanothu…
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 median19.1 °C 19.1–19.1
Seasonal swing summer↔winter16.0 °C
Max temp (day)26.7 °C
Min temp (night)12.7 °C
Precipitation12.2 mm/mo
Air humidity41.1 %
Moisture balance-134 mm/mo
Vapour deficit1,303 Pa
Wind speed2.30 m/s
Cloud cover14.1 %
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.
WikipediaWikimedia Foundation1 languages↗
GBIFGlobal Biodiversity Information Facility6 730 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI3 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics4 specimens↗
GRIN TaxonomyUSDA-ARSdistribution & uses↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗