Sphagneticola trilobata

Basic information
Scientific name	Sphagneticola trilobata	Click to magnify
Major synonym	Wedelia trilobata
Common names	Creeping daisy
Higher taxon	Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range	Northern part of South America.
Habitat	Slope with sunshine, humid habitat.

Invasion information
Range in Japan	Okinawa Islands
Origin	Unknown.
Date	1970s
Route	Deliberate: As ground cover plant.
Impact	Competition, hybridization with native species. Native organism(s) affected: Potentially: Native herbs (competition), Melanthera prostrata (hybridization)
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Indonesia, Australia, United States (USA), Bermuda, The Democratic Republic of the Congo, Mayotte, many Pacific islands (Samoa, Palau, Tonga, Vanuatu, Fiji, Micronesia, Nauru, Niue, Marshall Islands, Cook Islands, American Samoa, Guam, N Mariana Islands, French Polynesia, New Caledonia)

Reference	Notes
ISSG. Global Invasive Species Database (GISD) (Accessed on 2011-12-20) http://www.issg.org/database/welcome/ JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo (in Jpn) Ministry of the Environment, Japan. The Invasive Alien Species Act (Accessed on 2011-12-20) http://www.env.go.jp/en/nature/as.html etc.	100 of the World’s worst Invasive Alien Species. In Ogasawara Islands, Melanthera biflora have been established.