. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario / Atlas des plantes vasculaires rares de l'Ontario ASTERACEAE Vernonia gigantea (Walt.) Trel. ex Banner & Coville (V. altissima Nutt.) Tall Ironweed Vernonie â -^J__ -r-,-^-1:^ â/" "'V^-^\^\r^ '" ' « â SOcri ^-^=iC -^â C^^^^-i J si !.. ^-^- -^^W Vâ^ ^\ ^^^^^^ "~^ ] 1? -1 '5 !'â¢. After/ D'après: Cam 1944, McGregor & Barkley 1977, Urbatsch 1972 HABITAT: Mesic prairies, thickets, moist woods, road- sides, and grassy meadows, STATUS: Rare in Canada. NOTES
. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario / Atlas des plantes vasculaires rares de l'Ontario ASTERACEAE Vernonia gigantea (Walt.) Trel. ex Banner & Coville (V. altissima Nutt.) Tall Ironweed Vernonie â -^J__ -r-,-^-1:^ â/" "'V^-^\^\r^ '" ' « â SOcri ^-^=iC -^â C^^^^-i J si !.. ^-^- -^^W Vâ^ ^\ ^^^^^^ "~^ ] 1? -1 '5 !'â¢. After/ D'après: Cam 1944, McGregor & Barkley 1977, Urbatsch 1972 HABITAT: Mesic prairies, thickets, moist woods, road- sides, and grassy meadows, STATUS: Rare in Canada. NOTES: It is unclear whether the very similar and closely related V. missurica Rat, also occurs in southwestern On- tario. HABITAT: Prairies mésoîques, fourrés humides, bor- dures des routes et prés herbeux, SITUATION: Rare au Canada. REMARQUES: On Ignore si V. missurica Rat., espèce très ressemblante et étroitement apparentée à la Ver- nonie, croît également dans le sud-ouest de l'Ontario, REFERENCES / SOURCES Cain, 1944. Foundations of plant geography. Harper, New York. 556 pp. Urbatsch, 1972. Systematic study of the Altissimae and Giganteae groups of the genus Vernonia (Compositae). Brittonia 24:229-238. White & Maher 1983. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Argus, George W. (George William); National Museum of Natural Sciences (Canada). Botany Division. Ottawa : Botany Division, National Museum of Natural Sciences = Division de la botanique, Musée national des sciences naturelles
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