Trifolium howellii

S.Watson · species

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Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Trifolium

At a glance

Occurrence records146

Data sources8

Biological traits9

DNA specimens3

eDNA detections2

Sources8 archives

Databases and archives Trifolium howellii's data was compiled from.

WikipediaWikimedia Foundation2 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility146 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI2 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics3 specimens↗

NCBIUS National Library of Medicinesequences↗

GRIN TaxonomyUSDA-ARSdistribution & uses↗

Open Tree of LifeOpenTreephylogeny backbone↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements3 literature sources9 traits

Occurrence & distributionGBIF146 records

Environmental DNA1 datasets · 0 countries2 detections

DNA & barcodingBOLD · NCBI3 specimens

01Narrative

Trifolium howellii is a species of clover known by the common names canyon clover and Howell's clover. It is native to Oregon and California, where it grows in moist and shady habitat types, such as swamps and forest streambanks.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesWCVPGIFTTRY

Life cycle & reproduction2

Life formperennial

Life spanperennial

Diet & foraging1

Parasiteindependent

Habitat & environment6

Aquaticterrestrial

Climatetemperate

Climberself-supporting

Epiphyteterrestrial

Growth formherb

Woodinessnon-woody

05DNA & barcoding3 specimens

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 Trifolium howellii has left across the world's sequence archives.

At a glance

DNA specimens3

Marker genes3

GenBank sequences8

eDNA detections2

Countries1

The DNA barcodea real sequence read deposited for this species

ITSMF963885.1 ↗698 bpUSA

ACGT

AAGTCGTAACAAGGTTTCCGTAGGTGAACCTGCGGAAGGATCATTGTCGATGCCTTACATGCAGACCAACACGTGAATCAGTTTGAACAC …

Trifolium howellii isolate CBP138 18S ribosomal RNA gene, partial sequence; internal transcribed spacer 1, 5.8S ribosomal RNA gene, and internal transcribed spacer 2, complete sequence; and 26S ribosomal RNA gene, partial sequence

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.

★matK1★rbcL1★ITS6

plant barcodefungal barcode

08Occurrence & distribution

Record type146 records

Wild obs. + sensor26

Museum / vouchered120

Range

Area of Occupancy AOO356 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 accuracy13% within 1 km

≤100 m 3>10 km 20

23 georeferenced · 3 without coordinates

Open the mapobservation + sensor26

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 accuracy54% within 1 km

≤100 m 2≤1 km 40≤10 km 34>10 km 2

78 georeferenced · 42 without coordinates

Open the institutions mapphysical evidence120

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 institutions15 of 24 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
Corvallis, US	20
Arcata, US	18
Angwin, US	17
Claremont, US	10
WTUlocation not on record	6
Pullman, US	4
DOI/NPS, Little Rock Central High School National Historic Sitelocation not on record	3
Davis, US	3
Moscow, US	3
Ashland, US	2
LDlocation not on record	2
New Haven, US	1
Provo, US	1
Wuzhou, CN	1
Canadian Department of Agriculturelocation not on record	1
San Diego, US	1
KNFSClocation not on record	1
KNFYlocation not on record	1
CASlocation not on record	1
Riverside, US	1
Boise, US	1
ASUlocation not on record	1
Santa Cruz, US	1
Severin-McDaniel Insect Collectionlocation not on record	1

24 institutions · 101 of 120 vouchered records shown · 19 without an institution code

09Environmental DNA2 detections

Where the DNA of Trifolium howellii 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.

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