The North American species Bidens frondosa L. (Asteraceae) has been recorded as a new alien species for the flora of Turkey. The description of the species together with its drawing and distribution map is provided here. | Turk J Bot 31 (2007) 477-479 © TÜB‹TAK Research Note A New Alien Species for the Flora of Turkey: Bidens frondosa L. (Asteraceae) Kâmil COfiKUNÇELEB‹1, Salih TERZ‹O⁄LU2, Vladimir VLADIMIROV3 1 Karadeniz Technical University, Faculty of Sciences and Arts, Department of Biology, 61080 Trabzon - TURKEY 2 Karadeniz Technical University, Faculty of Forestry, Department of Forest Botany, 61080 Trabzon - TURKEY 3 Institute of Botany, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St., Bl. 23, 1113 Sofia - BULGARIA Received: Accepted: Abstract: The North American species Bidens frondosa L. (Asteraceae) has been recorded as a new alien species for the flora of Turkey. The description of the species together with its drawing and distribution map is provided here. Key Words: Adventive species, Bidens frondosa, Compositae, NE Anatolia Türkiye Floras› ‹çin Do¤allaflm›fl Yeni bir Kay›t: Bidens frondosa (Asteraceae) Özet: Bir Kuzey Amerika türü olan Bidens frondosa L. (Asteraceae) Türkiye floras› için do¤allaflm›fl olarak kaydedilmektedir. Türün tan›m›yla beraber çizimi ve yay›l›fl haritas› verilmektedir. Anahtar Sözcükler: Do¤allaflm›fl tür, Bidens frondosa, Compositae, Kuzey Do¤u Anadolu Introduction During field studies within an ongoing project supported by TÜB‹TAK and the Bulgarian Academy of Sciences (BAS), Bidens frondosa L. (Asteraceae) was collected in 2006 in a different part of NE Anatolia. This species is native to North America, but is currently expanding into Europe. According to Tutin (1976), it occurs in most countries in West, South, and Central Europe. The species has also been recently recorded from ˘ Bulgaria (Sumberová et al., 2004). Results This study is based on specimens collected from North-East Anatolia between July and September 2006. The description was written with the aid of Flora ˘ et al. (2004). Europaea (Tutin, 1976) and Sumberová Specimens were deposited at the herbaria of the Karadeniz Technical University, .
