Category Archives: Sites around refuge

22 September 2017 – Hidden Bog – A New Discovery

  Dave Anderson and I spent some time this afternoon locating a previously undocumented Magnolia seepage bog that was recently discovered by the Patuxent Research Refuge supervisory wildlife biologist Sandy Spencer and biologist John Bourne on the Refuge’s North Tract. … Continue reading

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Bald Cypress – Taxodium distichum – 24 June 2016

Today, I forayed on the South Tract and spotted a bunch of Bald Cypress trees thriving in a swampy area next to Reddington Lake.  Bald Cypress is not native this far north, but can do all right when planted in … Continue reading

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26 June 2015 – Chestnut Oak – Mountain Laurel Forest

Today when foraying around the Chestnut Oak Bog AKA Welchs Bog I checked out the Chestnut Oak – Mountain Laurel Forest (CEGL006299) plant community that surrounds a good part of the bog. This plant community is found in the Mid-Atlantic … Continue reading

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20 June 2015 – Duvall Bridge

(Photo above: new planking on the bridge)     A bridge has existed at this location since the early 1800’s. The current structure was built in 1907 and was closed to traffic in 2009 due to its deteriorating condition. Renovation … Continue reading

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20 June 2015 – Milkweed Meadow

  This meadow on the Central Tract is located along Beech Forest Drive near where the powerlines cross MD 197 and as far as I can determine is the largest field of Common Milkweed (Asclepias syriaca L.) on the refuge. … Continue reading

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20 June 2015 – Whooping Crane Observatory

(Above photo: Two whooping Cranes at Patuxent Research Refuge.) The Patuxent Research Refuge is home to the USGS’s (United States Geological Survey’s) Patuxent Wildlife Research Center. One of the on-going projects conducted by the USGS there is the Whooping Crane … Continue reading

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20 June 2015 – Mallard Pond

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20 June 2015 – Knowles Marsh 2

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11 June 2015 – Devil’s Tongue – Opuntia humifusa

This afternoon, I took a quick jaunt out to Lake Allen to take some pictures of the Devil’s Tongue, a type of prickly pear that is found on the Refuge. Devil’s Tongue’s is also known as Eastern Prickly Pear and … Continue reading

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6 June 2015 – Sweet Pepperbush Bog

Although this seepage swamp, which is located in the northwest part of the North Tract along Sweet Gum Lane, is only a short distance from the road, it is not clearly visible unless you are carefully looking for it. It … Continue reading

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29 May 2015 – Six-spotted Fishing Spider

Today while visiting the Pitch Pine Wetlands, I spotted my first ever Six-spotted Fishing Spider (Scientific name: Dolomedes triton Walckenaer). She did not seem to be bothered by my poking around. I think she was just patiently waiting for something … Continue reading

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11 May 2015 – Deerberry – Vaccinium stamineum

This afternoon, I went looking for bogs that I had not found yet.  On the edge of one of the bogs were some Deerberry (Vaccinium stamineum) bushes.  They were putting on a showy display so I decided to photograph them. … Continue reading

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25 April 2015 – Primrose-leaved Violet – Viola primulifolia L.

(Photo above: a picture of a plant with the rhizomes clearly visible.)   Today I had the privilege of taking Bill Hubick and Michael Ostrowski on an abbreviated tour of the North. Along the way, we found this cute little … Continue reading

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23 April 2015 – Sedge

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23 April 2015 – Blue Marsh Violet

Today, I drove down Telegraph Road stopped by a swamp about a 1/2 mile south of Wildlife Loop. The swamp is called a Southern New England/Northern Piedmont Red Maple Seepage Swamp (USNVC: CEGL006406). In the swamp, I found a bunch … Continue reading

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22 April 2015 – Mature Pitch Pine Grove

At the corner of Sweet Gum Lane and the road that leads to the BGE powerline Right of Way, there is a small grove of mature pitch pine. One or two of them are in the running to be state … Continue reading

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21 April 2015 – Water Flow through the “Bog”

(Above photo: a view of the “bog” from the northeast corner. You can see Japanese barberry in the foreground.” In the mid-ground, there is vernal pool. In the background, you can see the “bog”.) These are pictures of water flowing … Continue reading

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21 April 2015 – Elevation sketch of the Clean Fill Dump

This is an elevation sketch of the clean fill dump. It is too bad that some of the magnolia bog and the seepeages were covered up.  

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17 April 2015 – Bizarre sight – Tree growing around a concrete slab that fell on the tree

This is one of the most bizarre sights I have found on the refuge. It is tree growing around a concrete block, almost as if it is trying to swallow it. The tree had no leaves yet, but I believe … Continue reading

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16 April 2015 – Hydrology at the Odenton/CFD Magnolia Bog Site

Photo above – A seepage near the Magnolia Bog. Note the seemingly omnipresent greenbrier – 11 April 2015 Here is my first take of the hydrology of the Odenton/Clean Fill Dump (CFD) magnolia bog site. I hope this article may … Continue reading

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