Soliva stolonifera (Brot.) Sweet, Asteraceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Gymnostyles stolonifera (Brot.) Tutin; Hippia stolonifera Brot.

Common name(s): [more details]

English: carpet burweed, jo-jo

Habit:  herb

Description:  "Plants 2-5 (-15+) cm (high or across), 73177; strigillose to villous (stems procumbent, rooting at nodes). Leaves basal and cauline, blades 73177; spatulate, 1-2 (-3) cm, 1 (-2)-pinnati-palmately lobed. Heads mostly scattered along stems. Involucres 3-6 (-8) mm in diameter. Pistillate florets (20-) 40-60+ in 2-4+ series. Disc florets 4-6+; corollas 1.5-2 mm. Cypselae: bodies oblanceolate to oblong-cuneate, 1.8-2.2 mm, wings transversely rugulose or ribbed on proximal 9/10, shoulders 73177; spinose laterally, faces distally villous to pilose or arachnose; pappi 0 (persistent stylar sheaths indurate, spinelike, 0.8-1.5 mm, usually inflexed)"  (Flora of North America online).

Habitat/ecology:  In the United States, "disturbed sites; 10-100+ m"  (Flora of North America online).  In Australia, "grows in depressions and damp areas, often on red brown earths"  (NSW PlanteNET).

Propagation:  Seed

Native range:  Argentina, Uruguay; naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced invasive	Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced invasive	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 499, 545, 557) Voucher cited: Danton I(5/32)1380. "En RC, ya se encuentra en varios lugares del territorio de la Ilustre Municipalidad de Juan Fernández como en el Parque Nactional. Es una especie que no teme el pisoteo, que se instala rápidamente y de la cual su extensión está unida directamente con los trayectos del ganado y de los caballos".

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	Australia (continental)	introduced invasive	National Herbarium of New South Wales (2011) Victoria
Australia Australia (continental)	New South Wales	introduced invasive	National Herbarium of New South Wales (2011)

Also reported from
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
United States (continental except west coast) United States (other states)	United States (other states)	introduced	Flora of North America Editorial Committee, eds. (2011) Ala., Ark., Ga., La., S.C., Tex.
United States (continental except west coast) United States (other states)	USA (Florida)	introduced	Flora of North America Editorial Committee, eds. (2011)

Additional information:
Additional online information about Soliva stolonifera is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Soliva stolonifera as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Soliva stolonifera may be available from the Germplasm Resources Information Network (GRIN).

References:

Atkinson, Rachel/Sawyer, John. 2011. Naturalized species in the Juan Fernández Archipelago, Chile. Unpublished spreadsheet.

Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido. 2006. Nouveau catalogue de la flore vaculaire de l'archipel Juan Fernández (Chile) [Nuevo catálogo de la flora vacular del Archipélago Juan Fernández (Chile)]. Acta Bot. Gallica 153(4):399-587.

Flora of North America Editorial Committee, eds. 2011. Flora of North America North of Mexico (online edition).

National Herbarium of New South Wales. 2011. PlantNet: New South Wales Flora online. The Plant Information Network System of the Botanic Gardens Trust Version 2.0. Online resource.

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.