討論:Helianthus

山羊百科,林文智老師的植物、山岳、攝影紀錄

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Part I


Heiser, Charles Bixler;The North American sunflowers (Helianthus)
Heiser, Charles Bixler;BIOSYSTEMATICS OF HELIANTHUS DEBILIS
Heiser, Charles Bixler & Smith, D. M.;Species crosses in Helianthus [Compositae]. II. Polyploid species


Part II

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