Helianthus debilis subsp. vestitus , Inflorescence from above. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus mollis , Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence from top - close. Family Asteraceae, Subclass Asteridae. Origin: ...
Helianthus hirsutus, Inflorescence section 1. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus debilis subsp. vestitus , Inflorescence from below, phyllaries. Family Asteraceae, Subc...
Helianthus debilis subsp. vestitus , Leafy shoot from above. Family Asteraceae, Subclass Asteridae...
Helianthus debilis subsp. vestitus , Infructescence from the side, phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. vestitus , Infructescence from the side, sectioned with fruit, chaff. Fa...
Helianthus debilis subsp. cucumerifolius , Capitulum from above. Family Asteraceae, Subclass Asterid...
Helianthus debilis subsp. cucumerifolius , Capitulum from below with phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. cucumerifolius , Capitulum past anthesis from above with phyllaries. Famil...
Helianthus debilis subsp. cucumerifolius , Capitulum past anthesis sectioned with fruit. Family Aste...
Helianthus debilis subsp. cucumerifolius , Capitulum at anthesis sectioned. Family Asteraceae, Subcl...
Helianthus hirsutus, Inflorescence - small. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence section 2. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence - large. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus mollis , Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence from top - close. Family Asteraceae, Subclass Asteridae. Origin: ...
Helianthus hirsutus, Inflorescence section 1. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus debilis subsp. vestitus , Inflorescence from below, phyllaries. Family Asteraceae, Subc...
Helianthus debilis subsp. vestitus , Leafy shoot from above. Family Asteraceae, Subclass Asteridae...
Helianthus debilis subsp. vestitus , Infructescence from the side, phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. vestitus , Infructescence from the side, sectioned with fruit, chaff. Fa...
Helianthus debilis subsp. cucumerifolius , Capitulum from above. Family Asteraceae, Subclass Asterid...
Helianthus debilis subsp. cucumerifolius , Capitulum from below with phyllaries. Family Asteraceae, ...
Helianthus debilis subsp. cucumerifolius , Capitulum past anthesis from above with phyllaries. Famil...
Helianthus debilis subsp. cucumerifolius , Capitulum past anthesis sectioned with fruit. Family Aste...
Helianthus debilis subsp. cucumerifolius , Capitulum at anthesis sectioned. Family Asteraceae, Subcl...
Helianthus hirsutus, Inflorescence - small. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence section 2. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence - large. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus mollis , Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Helianthus hirsutus, Inflorescence from top - close. Family Asteraceae, Subclass Asteridae. Origin: ...
Helianthus hirsutus, Inflorescence section 1. Family Asteraceae, Subclass Asteridae. Origin: Native