| Arrowwood Viburnum Seeds | About 6.4 mm; the source does not state the measurement axis | Opposite, simple, ovate to heart-shaped leaves with coarsely serrated margins; about 5–10.2 cm long | Not recorded | VASCAN lists the species in NB, NS, ON and QC, but not Manitoba; this is a province-level database result, not proof of precise absence | North Carolina source: fruit display and ripening from July to September; not a Manitoba forecast | Species reference: develops suckers with age; the source does not state the mechanism |
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| Chinese Viburnum Seeds | Not recorded | Not recorded | Not recorded | Under the source’s V. erosum treatment, native to Asia and not Manitoba; cultivated or naturalized occurrence is not assessed | Not recorded | Not recorded |
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| Downy Arrowwood Seeds | Minnesota species reference: fruit 6.4–12.7 mm long | Opposite, simple, oval leaves with coarse teeth; paler and hairy beneath, especially along the veins | USDA zones 3a–8b species reference; not a Manitoba survival guarantee | Native in Manitoba under VASCAN’s accepted name Viburnum rafinesqueanum | Not recorded | Not recorded |
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| Linden Viburnum Seeds | About 8.5 mm; the source does not state the measurement axis | Opposite, simple, elliptic to obovate leaves with coarsely toothed margins and hair on both surfaces | USDA zones 5a–8b species reference; not a Manitoba survival guarantee | Native to Asia, not Manitoba; cultivated or naturalized occurrence is not assessed | Not recorded | Species reference: suckers and can form thickets; the source does not state the mechanism |
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| Wild Raisin Seeds | Quebec species reference: 6–9 mm; the source does not explicitly label the axis | Opposite, simple, oval-elliptic leaves with irregular teeth; 4–10 cm long; width not recorded | Not recorded | VASCAN lists the species in eastern Canadian provinces, but not Manitoba; this is a province-level database result, not proof of precise absence | South Carolina source: fruit matures to black from August to October; not a Manitoba forecast | Quebec species reference: suckers from the underground root system; rhizomes and stolons were not described |
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