Rhizocarpon petraeum is a species of lichen in the family Rhizocarpaceae. It contains stictic acid.Flóra Íslands [Flora of Iceland] (no year). Hringflikra - Rhizocarpon petraeum (in Icelandic). Retrieved on April 14th 2021. It was first described as Lichen petraeus in 1787 by Franz Xaver von Wulfen,Wulfen, F.X. von (1787) Schr. Ges. naturf. Freunde, Berlin 8: 89 but was transferred to the genus Rhizocarpon in 1852 by Abramo Bartolommeo Massalongo.
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 Rhizocarpon petraeum has left across the world's sequence archives.
At a glance
DNA specimens5
Marker genes4
GenBank sequences7
eDNA detections2
Countries3
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.
★ITS7★ITS1mtSSUnucLSU
fungal barcodemarker
08Occurrence & distribution
Record type3 426 records
Wild obs. + sensor2 972
Museum / vouchered449
Other5
Origin
Native1
Range
Area of Occupancy AOO9 444 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 accuracy49% within 1 km
≤100 m 825≤1 km 609≤10 km 1 490>10 km 3
2 927 georeferenced · 45 without coordinates
Open the mapobservation + sensor2 972
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 accuracy25% within 1 km
≤100 m 20≤1 km 34≤10 km 120>10 km 44
218 georeferenced · 231 without coordinates
Open the institutions mapphysical evidence449
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 institutions33 of 62 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
LDlocation not on record
47
Chicago, US
41
Durham, US
37
Uppsala, SE
32
University of Stellenboschlocation not on record
22
Mlocation not on record
21
13
South Kensington, GB
13
Minia, EG
12
St. Paul, US
11
Museo Entomologico de Leonlocation not on record
9
Madison, US
8
New Haven, US
8
TSBlocation not on record
8
Polar-Alpine Botanical Garden-Institutelocation not on record
8
PHlocation not on record
8
Staatsarchiv Urilocation not on record
6
Museum Ludovicae Ulricae, Zoology Institute of the University of Uppsalalocation not on record
5
Ann Arbor, US
5
Burlington, US
5
WTUlocation not on record
5
Philadelphia, US
5
BDBClocation not on record
5
San Luis Obispo, US
4
CLUlocation not on record
4
ASUlocation not on record
4
Senckenberg Gesellschaft für Naturforschung: Senckenberg Forschungsinstitut und Naturmuseumlocation not on record
3
DOI/NPS, Colonial National Historical Parklocation not on record
3
Dhaka, BD
3
Chicago, US
3
Vitoria, ES
3
Museo civico La Terra e l'Uomo di Crocetta del Montellolocation not on record
3
Salzburg, AT
3
M-Lichenslocation not on record
2
Berlin, DE
2
Bourges, FR
2
Bozeman, US
2
Barcelona, ES
2
GZUlocation not on record
2
Vancouver, CA
2
Université Lavallocation not on record
2
Oskarshamn, SE
2
Klostermuseum Disentislocation not on record
2
SLU Artdatabankenlocation not on record
2
Kew, GB
2
Champaign, US
2
Frauenfeld, CH
1
Hobart, AU
1
Edinburgh, GB
1
ULBF-AGRlocation not on record
1
BG-NMNHSlocation not on record
1
DOI/NPS, Little Rock Central High School National Historic Sitelocation not on record
1
FLASlocation not on record
1
Wuzhou, CN
1
Bronx, US
1
Mount Annan, AU
1
Davis, US
1
nbflocation not on record
1
Entomological Society of Latvialocation not on record
1
Knoxville, US
1
Institute of the Industrial Ecology Problems of the North of Kola Science Center of the Russian Academy of Sciences.location not on record
1
McWane Science Centerlocation not on record
1
62 institutions · 409 of 449 vouchered records shown · 40 without an institution code
09Environmental DNA2 detections
Where the DNA of Rhizocarpon petraeum 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 found2
Studies independent surveys1
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 2 detections have coordinates
Open the map0 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.
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.