Compositae source details
(1919). American Naturalist 53(625):
308376
1919
Publication
Date
action
by
Helianthus tuberosus var. albus Cockerell (original description)
Helianthus tuberosus var. alexandri Cockerell (original description)
Helianthus tuberosus var. nebrascensis Cockerell (original description)
Helianthus tuberosus var. typicus Cockerell (original description)
Helianthus tuberosus var. alexandri Cockerell (original description)
Helianthus tuberosus var. nebrascensis Cockerell (original description)
Helianthus tuberosus var. typicus Cockerell (original description)
