seedlings of the genus conyza

angiosperm angiospermae aster asteraceae asthmaweed autotrophic biology blue botanic botanical botany broadleaved butterweed coltstail compositae composite conyza countryside culture daisy eukaryotes farming field fleabane flora flowering gray green greenery hairy herbage hirsute horseweed inflorescence interference invader invasive leafy like marestail metaphyta natural nature organism pest photosynthetic plant plantae plantes resistance resistant rough ruderal rustic seed specie specimen star strigose therophyte tournesol vascular vegetabilia vegetal vegetation weed