- Helianthus occidentalis Riddell var. dowellianus (M.A. Curtis) Torr. & A. Gray
- Symbol HEOCOSynonym Symbol HEOCDBotanical Family Asteraceae
Scientific plant list. 2013.
Helianthus occidentalis Riddell var. dowellianus (M.A. Curtis) Torr. & A. Gray
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Helianthus occidentalis Riddell var. dowellianus (M.A. Curtis) Torr. & A. Gray — Symbol HEOCO Synonym Symbol HEOCD Botanical Family Asteraceae … Scientific plant list
