E-Flora BC: Electronic Atlas of the Flora of British Columbia

Krigia virginica (L.) Willd.
Virginia dwarf dandelion
Asteraceae (Aster family)

Introduction to Vascular Plants

Distribution of Krigia virginica
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Annual herb from a short taproot; stems erect, several, simple, usually spreading, glandular-hairy, exuding milky juice when broken, 3-40 cm tall.

Leaves:
Basal leaves linear to oblanceolate or egg-shaped, entire to pinnately cut, glabrous to loosely long stiff-hairy, the hairs sometimes glandular, 1.5-12 cm long, 1-12 mm wide.

Flowers:
Heads with strap-shaped flowers, solitary; involucres 4-7 mm tall; involucral bracts lanceolate to linear-lanceolate, reflexed in age; ray flowers yellow.

Fruits:
Achenes top-shaped, 5-angled; pappus of 5 short, thin scales alternating with 5 rough bristles which are several times as long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic forest openings and waste places in the lowland zone; rare in SW BC, known from West Vancouver, Bliss Landing and Campbell River; introduced from the E U.S.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Krigia virginica

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information	Value / Class
Site Information	Minimum	Average	Maximum
Elevation (metres)	105	105	105
Slope Gradient (%)	15	15	15
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	120	120	120
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	0	0	0
Modal Nutrient Regime Class	C
Number of field plots species was recorded in:	1
Modal BEC Zone Class	CWH
All BEC Zones (# of stations/zone) species was recorded in:	CWH(1)
Source: Klinkenberg 2020

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Hyoseris virginica L.

Taxonomic and Nomenclatural Links

Flora North America treatment for Asteraceae
Flora North America treatment for Krigia virginica
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-19 9:16:59 AM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.