Class: Dicotyledoneae Family: Asteraceae Genus: Helianthus Species: nuttalli
Helianthus annuus, head - close-up. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Helianthus debilis subsp. cucumerifolius , Capitulum from below with phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. cucumerifolius , Capitulum from above. Family Asteraceae, Subclass Asterid...
Class: Dicotyledoneae Family: Asteraceae Genus: Helianthus Species: annuu
Helianthus nuttallii Torrey & A. GrayNuttall's sunflower;common tall sunflower;clustered sunflowerHe...
Class: Dicotyledoneae Family: Ranunculaceae Genus: Thalictrum Species: dasycarpu
Class: Dicotyledoneae Family: Asteraceae Genus: Sonchus Species: oleraceu
Class: Dicotyledoneae Family: Asteraceae Genus: Taraxacum Species: officinali
Class: Monocotyledoneae Family: Poaceae Genus: Helictotrichon Species: hooker
Class: Dicotyledoneae Family: Urticaceae Genus: Urtica Species: dioic
Helianthus annuus, Disk floret compared with those of an Aster (left). Family Asteraceae, Subclass A...
Helianthus annuus, head - close-up. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Class: Dicotyledoneae Family: Asteraceae Genus: Chrysopsis Species: hispid
Helianthus annuus, head. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Class: Monocotyledoneae Family: Poaceae Genus: Puccinellia Species: nuttallian
Helianthus annuus, head - close-up. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Helianthus debilis subsp. cucumerifolius , Capitulum from below with phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. cucumerifolius , Capitulum from above. Family Asteraceae, Subclass Asterid...
Class: Dicotyledoneae Family: Asteraceae Genus: Helianthus Species: annuu
Helianthus nuttallii Torrey & A. GrayNuttall's sunflower;common tall sunflower;clustered sunflowerHe...
Class: Dicotyledoneae Family: Ranunculaceae Genus: Thalictrum Species: dasycarpu
Class: Dicotyledoneae Family: Asteraceae Genus: Sonchus Species: oleraceu
Class: Dicotyledoneae Family: Asteraceae Genus: Taraxacum Species: officinali
Class: Monocotyledoneae Family: Poaceae Genus: Helictotrichon Species: hooker
Class: Dicotyledoneae Family: Urticaceae Genus: Urtica Species: dioic
Helianthus annuus, Disk floret compared with those of an Aster (left). Family Asteraceae, Subclass A...
Helianthus annuus, head - close-up. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Class: Dicotyledoneae Family: Asteraceae Genus: Chrysopsis Species: hispid
Helianthus annuus, head. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Class: Monocotyledoneae Family: Poaceae Genus: Puccinellia Species: nuttallian
Helianthus annuus, head - close-up. Family Asteraceae, Subclass Asteridae. Origin: Cultivated
Helianthus debilis subsp. cucumerifolius , Capitulum from below with phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. cucumerifolius , Capitulum from above. Family Asteraceae, Subclass Asterid...