Blue-Stemmed Goldenrod (Solidago caesia) vs. Mountain Decumbent Goldenrod (Solidago curtisii)

These two species are closely-related, visually similar, and occupy similar habitats. They can usually be distinguished by closely examining their stems, growth habit, and lower leaves, and they have a few other subtle differences. S. curtisii is restricted to the Southern Appalachians, prefers moister conditions, and tolerates greater shade. S. caesia has a much broader range, is more common at lower elevations, and ranges into sunnier, drier conditions.

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