DISSEMINATION
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DISSEMINATION |
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| Kingdom | Plantae |
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| Sub Kingdom | Tracheobionta (vascular plant) | |
| Superdivision | Spermatophyta (seed plant) | |
| Division | Magnoliophyta (flowering plant) | |
| Class | Magnoliopsida (dicotyledon) | |
| Order | Asterales | |
| Family | Asteraceae | |
| Genus | Conyza | |
| Species | canadensis | |
| Classification | (L.) Cronq. | |
| Common Name | canadian fleabane |
| Geographic Range | it is native to North America; it is found in all Mediterranean regions and in temperate and tropical areas. |
| Physical Characteristics | erect annual plant; it may be up to 80 centimeters high. The upper part of the stem is branched and bears a lot of head flowers. Flowers are red or pink, tubular and there may be from 70 to 200 of them for each head. The fruit is a dry and dehiscent achene and it is dispersed by the wind thanks to a pappus. Alternate, cauline, lanceolate leaves, from 5-10 centimeters long, with a short petiole. Basal leaves are clustered in a rosette and are oval. It blooms from July to October. |
| Habitat | abandoned fields, roadsides, sand dunes, grasslands. |
| Sources | |
| References | Centre for Ecology and Hydrology - Natural Environment Research Council - UK USGS Forest and Rangeland Ecosystem Science Center Colorado Plateau Field Station |
| Web References | http://www.ceh.ac.uk http://usgssrv1.usgs.nau.edu/ |
| Source of the photo | http://biology.smsu.edu/ |
Conyza canadensis
