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Open AccessPhenotypic differences among and within extant populations of Chrysanthemum arcticum L. and C. a. subsp. arcticum
Chrysanthemum arcticum, arctic daisy and its two subspecies (Chrysanthemum arcticum subsp. arcticum, Chrysanthemum arcticum subsp. polaré) are the only chrysanthemum species native to North America. A study on sp...
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Open AccessVariability in ITS1 and ITS2 sequences of historic herbaria and extant (fresh) Phalaris species (Poaceae)
Phalaris species (Poaceae) occupy diverse environments throughout all continents except Antarctica. Phalaris arundinacea is an important forage, ornamental, wetland restoration and biofuel crop grown globally as...