Sporobolus junceus is a species of grass known by the common name pineywoods dropseed. It is native to the southern United States.Sporobolus junceus. Grass Manual Treatment. This perennial bunchgrass has stems up to a meter tall. The leaves are up to 30 centimeters long and are flat or rolled. They are blue-green in color.Sporobolus junceus. USDA NRCS Plant Fact Sheet. The panicle is pyramidal in shape with spreading branches. They are lined with purplish or reddish spikelets. This grass species is sometimes grazed by livestock, but it is not one of the more palatable grasses. It increases in abundance as the better grasses are consumed, and it indicates a pasture that is declining in quality.
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 Sporobolus junceus has left across the world's sequence archives.
At a glance
DNA specimens2
Marker genes3
GenBank sequences7
eDNA detections1
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.
★matK2★rbcL3★ITS2
plant barcodefungal barcode
06Genome at a glanceCCDB
The complete instruction manualSporobolus junceus 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.
CCDB · iber-fl — Contribution la connaissance cytotaxinomique des spermatophyta du Portugal. I. Gramineae Fernandes, A. & M. Queirs.Bol. Soc. Brot. ser. 243: 20-140(1969).
CCDB · book-ipcn66 — Gould1966
CCDB · book-ipcn67-71 — FERNANDES, A . & M. QUEIROS. 1969. Contribution a la connaissance cytotaxinomique des Spermatophyta du Portugal. I. Gramineae. Bol. Soc. Brat. 43(ser.2l: 3-140.
CCDB · book-ipcn67-71 — GOULD, F.W. 1968. Chromosome numbers of Texas grasses. Canad. J. Bot. 46: 1315-1325.
CCDB · book-ipcn67-71 — GOULD, F. W., & T. R. SODERSTROM. 1967. Chromosome numbers of tropical American grasses. Arn. Jour. Bot. 54: 676-683.
CCDB · book-atlas-flowering-plants — Avdulov 1931
CCDB · Cave1962 — Bowden & Senn 1962
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 accuracy80% within 1 km
≤100 m 196≤1 km 17≤10 km 10>10 km 43
266 georeferenced · 64 without coordinates
Open the mapobservation + sensor330
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 accuracy47% within 1 km
≤100 m 31≤1 km 47≤10 km 52>10 km 36
166 georeferenced · 325 without coordinates
Open the institutions mapphysical evidence491
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 institutions38 of 65 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Tampa, US
62
Jena Microbial Resource Collectionlocation not on record
41
Florida Museum of Natural History- Zoology, Paleontology & Paleobotanylocation not on record
30
Jackson, US
30
Bloomington, US
23
Miami, US
23
Saint Louis, US
22
Austin, US
22
Bronx, US
16
Fort Worth, US
16
US
13
BAYLUlocation not on record
13
Emporia, US
12
AUAlocation not on record
11
Valdosta State Universitylocation not on record
11
University of Southern Mississippilocation not on record
10
Chapel Hill, US
10
Tuscaloosa, US
9
GAlocation not on record
8
University of Stellenboschlocation not on record
7
Tall Timbers Research Stationlocation not on record
7
Kew, GB
6
EL PASO, US
5
Chongqing Museumlocation not on record
4
Durango, MX
4
Mississippi State, US
4
Clemson, US
4
Columbia, US
4
Auckland, NZ
3
Wuzhou, CN
3
DOI/NPS, Mississippi National River & Recreation Arealocation not on record
3
BClocation not on record
3
Little Rock, US
3
Knoxville, US
3
Dekalb, US
2
Fayetteville, US
2
Taipei, TW
2
Weymouth Woods Sandhills Nature Preservelocation not on record
2
Bangkok, TH
2
Wlocation not on record
2
Logan, US
2
James F. Matthews Center for Biodiversity Studieslocation not on record
1
Burlington, US
1
Universidad Nacional de Colombia (UNAL)location not on record
1
Austin, US
1
Universität Tübingenlocation not on record
1
University of Tennessee at Chattanoogalocation not on record
1
Montréal, CA
1
Williamsburg, US
1
DOI/NPS, Little Rock Central High School National Historic Sitelocation not on record
1
Santiago de Cali, CO
1
ASUlocation not on record
1
New Mexico State Universitylocation not on record
1
San Angelo, US
1
Moscow State Universitylocation not on record
1
Canadian Department of Agriculturelocation not on record
1
Ann Arbor, US
1
Tempe, US
1
Universidad de Caldas (UCaldas)location not on record
1
Phoenix, US
1
Henderson State Universitylocation not on record
1
Edmonton, CA
1
Lubbock, US
1
Florida Museum of Natural Historylocation not on record
1
North Carolina Museum of Natural Scienceslocation not on record
1
65 institutions · 483 of 491 vouchered records shown · 8 without an institution code
09Environmental DNA1 detections
Where the DNA of Sporobolus junceus 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 found1
Studies independent surveys1
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 1 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.
WikipediaWikimedia Foundation3 languages↗
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility822 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI1 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics2 specimens↗
NCBIUS National Library of Medicinesequences↗
GRIN TaxonomyUSDA-ARSdistribution & uses↗
Open Tree of LifeOpenTreephylogeny backbone↗
CCDBChromosome Counts DB · Tel Aviv U.genome & karyotype↗
PloiDBPloidy Databasegenome & karyotype
GLoBIGlobal Biotic Interactionsbiotic interactions↗