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- Conyza canadensis (category Conyza)Erigeron canadensis Linnaeus Sp. Pl. 2: 863. 1753 (as canadense) Synonyms: Conyza canadensis var. glabrata (A. Gray) Cronquist Conyza canadensis var. pusilla (Nuttall)4 KB (397 words) - 21:05, 5 November 2020
- Conyza floribunda (category Conyza)4(qto.): 73. 1820. John L. Strother Introduced Synonyms: Conyza bilbaoana Remy Conyza bonariensis var. leiotheca (S. F. Blake) Cuatrecasas Treatment appears4 KB (441 words) - 21:05, 5 November 2020