Erechtites hieraciifolius

Family	Asteraceae (alt. Compositae)
Scientific name	Erechtites hieraciifolius (L.) Rafinesque ex de Candolle
Synonyms	Erechtites agrestis (Swartz) Standley & Steyermark; Erechtites ambiguus de Candolle; Erechtites carduifolius (Cassini) de Candolle; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. cacalioides (Fischer ex Sprengel) Grisebach; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. carduifolius (Cassini) Grisebach; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. glabrescens Kuntze; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. intermedius Fernald; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. prealtus (Rafinesque) Fernald; Erechtites hieraciifolius (L.) Rafinesque ex de Candolle var. typicus Fernald; Erechtites prealtus Rafinesque; Erechtites sulcatus Gardner; Neoceis carduifolia Cassini; Neoceis hieraciifolia (L.) Cassini; Neoceis rigidula Cassini; Senecio cacalioides Fischer ex Sprengel; Senecio carduifolius (Cassini) Desfontaines; Senecio hieraciifolius L.; Senecio hieraciifolius L. var. cacalioides (Fischer ex Sprengel) M. Gómez de la Maza y Jiménez; Senecio hieraciifolius L. var. carduifolius (Cassini) M. Gómez de la Maza y Jiménez; Sonchus agrestis Swartz; Sonchus brasiliensis Meyen & Walpers; Sonchus occidentalis Sprengel
Common name	(Japanese common name) dando-boro-giku [Mt. Dando rag aster]
	(English common name) American burnweed, American fireweed, burnweed, fireweed, pilewort
Distribution	(Japan) Honshu, Shikoku, Kyushu, Okinawa
	(Other nations) [native] Canada, USA, Mexico, Jamaica, El Salvador, Guatemala, Honduras, Nicaragua, Belize, Costa Rica, Panama, Ecuador, Peru, Colombia, Bolivia, French Guiana, Guyana, Suriname, Brazil, Venezuela, Argentina
Chromosomal number	2n=40
Description	Plants electing 1m. Leaves 10-20cm length, 1.5-4cm width. Flowers head 11-15mm, flowering in September to October. Annual plants.
Reference	Erechtites hieraciifolius (L.) Raf. ex DC.
	Erechtites hieraciifolius (Linnaeus) Rafinesque ex de Candolle
	Erechtites hieraciifolius (L.) Raf. ex DC.
Note	Naturalized plants (first reported in 1934).

September 2007 at lowland forest edge	September 2007 at lowland forest edge	September 2007 at lowland forest edge

September 2007 at lowland forest edge	September 2007 at lowland forest edge