Japanese Hop (Humulus japonicus)
Updated September 17th, 2020An annual vine native to east Asia, invasive at numerous locations across eastern North America, especially in the northeast.
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Eastern Hemlock (Tsuga canadensis)
Updated September 8th, 2020A large, shade-tolerant evergreen conifer native to the Appalacians and northeastern U.S.
Eastern Redcedar (Juniperus virginiana)
Updated September 3rd, 2020A native evergreen conifer of sunny habitats; unlike most conifers, tends to decrease soil acidity.
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North America » Eastern Temperate Forests » Southeastern USA Plains » Interior Plateau »
Inner Bluegrass
Updated September 15th, 2020A relatively flat region in Kentucky with fertile limestone-based soils, heavily utilized for agriculture, and some urbanization.
North America » Northern Forests » Atlantic Highlands » Northeastern Highlands »
Western New England Marble Valleys
Updated September 11th, 2020A set of narrow, irregular valleys, utilized for agriculture, underlain by calcium-rich rocks and covered in glacial drift.
North America » Eastern Temperate Forests » Mississippi Alluvial & Southeast USA Coastal Plains » Middle Atlantic Coastal Plain »
Swamps and Peatlands
Updated September 11th, 2020A collection of peaty, forested wetlands, mostly in North Carolina, slightly into Virginia.
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Trumpetweed (Eutrochium fistulosum) vs. Spotted Joe Pye Weed (Eutrochium maculatum)
Updated September 25th, 2020These two species are sometimes confused in the northeast where their ranges overlap broadly; both are found in wet, sunny habitats. They are usually easily distinguished by a variety of attributes, including stems, inflorescence color and shape, plant height, and number of leaves per whorl. E. maculatum is more likely to be found in intact natural wetlands with mineral-rich soils, whereas E. fistulosum is more likely in disturbed or degraded habitats.
Coastal Plain Joe Pye Weed (Eutrochium dubium) vs. Spotted Joe Pye Weed (Eutrochium maculatum)
Updated September 21st, 2020These species are easily confused where their ranges overlap, from southern New England through New Jersey. Both inhabit wetlands, have spotted stems, and can be on the shorter side among Joe Pye weeds. However, they are usually easily distinguished by inflorescence shape, number of florets per head, and leaf vein pattern, and sometimes bloom color or number of leaves per whorl. E. dubium prefers more acidic habitats, whereas E. maculatum prefers more mineral-rich soil.
Coastal Plain Joe Pye Weed (Eutrochium dubium) vs. Trumpetweed (Eutrochium fistulosum)
Updated September 19th, 2020These plants are sometimes confused where their ranges overlap in southern New England through the Mid-Atlantic. They are easily distinguished by their stems and leaf vein pattern, and often also by height or number of leaves per whorl. E. dubium is limited to moist, acidic soil, mostly coastally, whereas E. fistulosum inhabits a broader range of wet, disturbed areas and is more common farther inland.
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