Plant Profile

11 June 2015 –
Eastern Prickly Pear –
Opuntia cespitosa

2015-06-11 Botany Bill FaunaNon-RefugePlant ProfileSites around refuge

This afternoon, I took a quick jaunt out to Lake Allen to take some pictures of the  Eastern Prickly Pear, a type of cactus that is found on the Refuge. Its scientific name is Opuntia cespitosa Raf. Its natural range is primarily west of the Appalachians and east of the Mississippi. However, there are scattered […]

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9 June 2015 – Maleberry – Lyonia ligustrina

2015-06-09 Botany Bill JournalPlant Profile

(Photo of a maleberry shrub in habit.) Maleberry (Lyonia ligustrina (L.) DC.) is an Ericad (member of Ericaceae – Heath Family) that is found on the refuge around the margins of wetlands. Its white flowers mature into brown dry capsules which contain seeds. In the USA, it is found from Maine to Georgia on the […]

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8 June 2015 – Carex amphibola – Eastern Narrowleaf Sedge

2015-06-08 Botany Bill Plant Profile

(Click on the thumbnails below for larger views of the photos.) This keys out to Carex amphibola Steud. or Eastern Narrowleaf Sedge. I originally keyed it out to Carex willdenowii, but Wes Knapp suggested that this could be Carex amphibola instead. It was found in a lot that was disturbed in the past. This species […]

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9 May and 2 June 2015 – Which Carex is this?

2015-06-02 Botany Bill Plant Profile

Specimens of immature plants were collected on 9 May 2015.   I went back to the same site on 2 June and collected some specimens of more mature plants. Maybe they are now mature enough to identify. Any idea?  I believe they may be Carex longii. (Click on the thumbnails for a full-sized view)   […]

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1 June 2015 – Swamp Dewberry – Rubus hispidus

2015-06-01 Botany Bill Plant Profile

Today, while on South Tract of the refuge I found another species of Dewberry. It is known as Swamp Dewberry (Rubus hispidus L.) and is also called Bristly Dewberry due to its presence of numerous bristles throughout the plant. The prickles that are present are generally less than 2 to 4 mm long and weak. […]

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23 May 2015 – Staggerbush – Lyonia mariana

2015-05-23 Botany Bill JournalPlant Profile

(Photo above: close up of inflorescence.)     This morning I visited the North Tract’s Pitch Pine Barrens area and found a fairly good-sized patch of Staggerbush in full bloom. The showy flowers really stand out. The scientific of this ericad (member of the Heath Family – Ericaceae) is Lyonia mariana (L.) D. Don. Its […]

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16 May 2015 – Cut-leaf Evening Primrose – Oenothera laciniata

2015-05-16 Botany Bill JournalPlant Profile

The Cut-leaf Evening Primrose is in its prime on the refuge. It is native to most of North America, except for the far western regions. Its scientific name is Oenothera laciniata Hill.     In some southern states it is considered invasive. It generally occurs in areas that have been disturbed by man.  You can […]

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16 May 2015 – Northern Dewberry – Rubus flagellaris

2015-05-16 Botany Bill JournalPlant Profile

The northern dewberry (also known as the common dewberry) is in full bloom on the refuge right now. Its accepted scientific name is Rubus flagellaris Willd. It is native to eastern North America from the Atlantic Coast on the east to Ontario, Minnesota, and Texas on the west. Botanists call it a liana, or a […]

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15 May 2015 – One-flowered Cancer root – Orobanche uniflora

2015-05-15 Botany Bill JournalPlant Profile

Earlier this week, on the Maryland Biodiversity Project pages I saw a couple of photos of One-flowered Cancer root (Orobanche uniflora L.) on the North Tract taken by Richard Orr. Wow, since I have not seen Cancer root on the North Tract, it had to be documented for the record.  Well, this afternoon, Richard kindly […]

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11 May 2015 – Deerberry – Vaccinium stamineum

2015-05-11 Botany Bill JournalPlant ProfileRefuge BogsSites around refuge

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.       Deerberry is a member of the genus Vaccinium which features blueberries, cranberries, […]

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

2015-04-26 Botany Bill JournalPlant ProfileSites around refuge

(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 plant called a  Primrose-leaved Violet (Viola primulifolia L. (pro sp.) [lanceolata × macloskeyi]) today along […]

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23 April 2015 – Blue Marsh Violet

2015-04-23 Botany Bill JournalPlant ProfileSites around refuge

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 of violets which turned out to be a Blue Marsh Violet (Viola cucullata Aiton). This […]

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21 April 2015 – Vaccinium corymbosum?

2015-04-21 Botany Bill JournalPlant Profile

I keyed this out to Vaccinium corymbosum. It is in full bloom right now at the bog site. I did not collect a sample, just the pictures. Can someone confirm this? I would like a second (or more) opinion

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17 April 2015 – Cinnamon Fern Fiddleheads

2015-04-19 Botany Bill JournalPlant Profile

  Today while slogging around in the magnolia bog I came upon some Cinnamon Fern (Osmundastrum cinnamomeum (L.) C. Presl.) fiddleheads. They look ghostly to me because they are mostly white with a little bit of green and brown mixed in. Many people believe that fiddleheads are edible. The fact is that only a few […]

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26 July 2014 – Shaggy Hedgehyssop

2014-07-27 Botany Bill JournalPlant Profile

Gratiola pilosa Michx. shaggy hedgehyssop  

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16 March 2014 – Quirky Hybrid Oaks of Patuxent

2014-03-16 Botany Bill Plant ProfileSites around refuge

Did you know that the Patuxent Research Refuge is the home to several types of hybrid oaks? Read on to learn more. The oak-rich Patuxent Research Refuge has 16 native oak species, one naturalized exotic oak species, and at least ten types of trees that are regarded as oak hybrids. The reason so many oaks […]

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5 April 2013 – Carey’s Balsamroot – Balsamorhiza careyana

2013-04-05 Botany Bill Non-RefugePlant ProfileTrip to Spokane

Carey’s Balsamroot (Balsamorhiza careyana A. Gray) is found on east of the Cascade Mountains in Washington and Oregon. This member of the Aster Family (Asteraceae) is not as widespread as the Arrowleaf Balsamroot, but is common in its more limited range. The leaves are similar in shape to the Arrowleaf Balsamroot, but not as hairy […]

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5 April 2013 – Big Sagebrush – Artemisia tridentata

2013-04-05 Botany Bill Non-RefugePlant ProfileTrip to Spokane

Big Sagebrush (Artemisia tridentata Nutt.) is an aromatic evergreen shrub from the Aster Family (Asteraceae). It is native to Intermountain West of North America, thriving in arid and semi-arid habitats ranging from cold deserts to dry mountain slopes. It is the dominant species in large swaths of its natural range. It is a coarse shrub […]

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5 April 2013 – Western Tansymustard – Descurainia pinnata

2013-04-05 Botany Bill Non-RefugePlant ProfileTrip to Spokane

Descurainia pinnata (Walter) Britton is a member of the Mustard Family (Brassicaceae) known as the Western Tansymustard. It is an annual native to North America and is found in every USA state except Alaska, Hawaii, and Alabama as well as throughout Canada and Mexico. It can be found in a variety of habitats and can […]

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5 April 2013 – Low Pussytoes – Antennaria dimorpha

2013-04-05 Botany Bill Non-RefugePlant ProfileTrip to Spokane

The Low Pussytoes (Antennaria dimorpha (Nutt.) Torr. & A. Gray) is a mat-forming low growing perennial  member of the Aster family (Asteraceae) which prefers drier habitats like sagebrush desert and bunchgrass communities. It is native to western North America from Southern British Columbia to Northern California to Nebraska. In Washington, it is found in all […]

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