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Recently Updated Plant Articles

Golden Alexanders

Golden Alexanders (Zizia aurea)

Updated May 8th, 2021

A carrot-family perennial of moist to mesic, sunny areas, with yellow blossoms, native to eastern North America.

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Bishop's Goutweed

Bishop's Goutweed (Aegopodium podagraria)

Updated May 1st, 2021

An herbaceous perennial, native to Europe, which spreads aggressively, forming large colonies, by underground rhizomes. Escaped from cultivation at various locations across North America, mostly in the northeast, where it is considered invasive.

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Garlic Mustard

Garlic Mustard (Alliaria petiolata)

Updated May 1st, 2021

A biennial native to Europe, and one of the most damaging invasives in forests of eastern North America.

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Recently Updated Ecoregion Articles

Adirondack High Peaks
North America » Northern Forests » Atlantic Highlands » Northeastern Highlands »

Adirondack High Peaks

Updated April 9th, 2021

Mid-elevations (1,500-2,800 feet) in the Adirondacks, covered in a more conifer-rich variant of northern hardwood forests.

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Berkshire Transition
North America » Northern Forests » Atlantic Highlands » Northeastern Highlands »

Berkshire Transition

Updated April 9th, 2021

A hilly, geologically diverse transition between the Berkshire mountains and lower elevations of coastal New England.

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St. John Uplands
North America » Northern Forests » Atlantic Highlands » Northeastern Highlands »

St. John Uplands

Updated April 9th, 2021

A mostly unpopulated, hilly upland region at the northern border of Maine, extending into Quebec and New Brunswick.

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Recently Updated ID / Comparison Guides

collage of Red Maple and Sycamore Maple

Red Maple (Acer rubrum) vs. Sycamore Maple (Acer pseudoplatanus)

Updated April 28th, 2021

These two species are sometimes confused, especially when people do not know to check against Sycamore maple. Both have serrated leaf margins and frequently have reddish-tinged petioles, samaras, and other features. The flower structure and timing is radically different, but the species can also be distinguished by leaves and buds with relative ease if you know what to look for. In North America, red maple is widespread and common, whereas sycamore maple is uncommon in the wild, and usually most common in and near urban areas.

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collage of Sweetscented Joe Pye Weed and Spotted Joe Pye Weed

Sweetscented Joe Pye Weed (Eutrochium purpureum) vs. Spotted Joe Pye Weed (Eutrochium maculatum)

Updated April 23rd, 2021

These two species are occasionally confused where their ranges overlap in the northeast and Midwest. They are usually easily distinguished by their stems, inflorescence shape, and number of florets per head. They also have average differences in bloom color, leaf texture, and number of leaves per whorl, but these characteristics have more variability and overlap. E. purpureum prefers drier, shadier habitats, whereas E. maculatum is usually found in sunnier wetlands. The two species can hybridize, so it may not be possible to identify all individuals.

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collage of Red Mulberry and White Mulberry

Red Mulberry (Morus rubra) vs. White Mulberry (Morus alba)

Updated April 4th, 2021

These species are usually easy to tell apart if looking at a pure species, but they readily hybridize and form intergrades, and it may not be possible to identify all individuals. Red mulberry mostly occurs in mature bottomland forests whereas white mulberry is more likely as a pioneer species in disturbed habitats.

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February 9th, 2021

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