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The Maryland Native Plant Society

Year of the Conifers

Resources

Vanishing Pine Barrens of the Washington DC Vicinity. Presentation by Rod Simmons. Sept. 17, 2016

Threatened Conifers of the World (web page)

US Forest Service Silvics Vol. 1. Conifers (pdf)

Morse, Larry. 1983. Three Maryland stations for the Northern White Cedar Thuja occidentalis. Castanea 48: 159-161. (pdf)

Teague, J., L., et al. 2006. Upper Anacostia Watershed plant communities of conservation significance. NatureServe, Arlington, Virginia.  (pdf) See p. 8 for a description of two kinds of "pine barrens" communities that were discovered in Prince George's County a decade ago and are believed to be closely related to vegetation previously known only from the New Jersey Pine Barrens. Both of the new community types are globally rare. One of them is tentatively named the Pine Barrens Pine - Oak community. The other is the Pine Barrens Lowland Forest, which is an unusual wetland type characterized by pitch pine and deciduous hardwoods in the canopy. Pitch pine is more characteristic of dry upland sites, but in the New Jersey Pine Barrens it also occurs in sandy areas that are saturated by groundwater. The occurrences in Prince George's represent a southern extension in the range of this rare vegetation type.

Mansueti, Romeo and C. Flippo Gravatt. 1956. The Battle Creek Cypress Swamp of Calvert County. Maryland Conservationist. A description of the bald cypress swamp as an argument for the protection by the Nature Conservancy. 

The 2016 MNPS Annual Conference is set to be held in Prince George's County and "pine barrens" sites such as the ones described in the Teague publication above would be among the field trip destinations.

If you have ideas, you can post them to the forum on the Resources Forum page or email them to web at mdflora.org

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PO Box 4877, Silver Spring, MD 20914

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