Compositae source details
(1984). Gorteria 12(3-4)
318278
1984
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Phalacroloma annuum subsp. septentrionale (Fernald & Wiegand) Adema accepted as Erigeron annuus subsp. septentrionalis (Fernald & Wiegand) Wagenitz (original description)
Phalacroloma annuum subsp. strigosum (Muhl. ex Willd.) Adema accepted as Erigeron strigosus var. strigosus Muhl. ex Willd. (original description)
Phalacroloma annuum subsp. strigosum (Muhl. ex Willd.) Adema accepted as Erigeron strigosus var. strigosus Muhl. ex Willd. (original description)
