<< Go back one level - Helianthus - sunflower
kingdom Plantae - plants » divisio Magnoliophyta - flowering plants » class Rosopsida - eudicots » order Asterales » family Asteraceae » genus Helianthus - sunflower
Helianthus aridus Rydb. Helianthus annuus subsp. jaegeri (Heiser) Heiser Helianthus lenticularis Dougl. ex Lindl. Helianthus annuus var. lenticularis (Dougl. ex Lindl.) Steyermark Helianthus annuus subsp. lenticularis (Dougl. ex Lindl.) Cockerell Helianthus annuus var. macrocarpus (DC.) Cockerell Helianthus annuus subsp. texanus Heiser Helianthus annuus var. texanus (Heiser) Shinners
= Common Sunflower
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parasite: Orobanche cernua Loefl. - Nodding Broomrape, Botrytis cinerea Pers. - Grey Mould, Leptosphaeria lindquistii Frezzi, Plasmopara halstedii (Farl.) Berl. & De Toni 1888