|
Truellum perfoliatum (L.) Soják
|
W. D. Longbottom 11776 |
27 Jul 2008 |
United States of America |
Maryland |
Montgomery Co. along Clarksburg Road… |
— |
|
|
|
|
|
Truellum perfoliatum (L.) Soják
|
W. D. Longbottom 12165 |
08 Sep 2008 |
United States of America |
Maryland |
Queen Anne's Co. along the… |
— |
|
|
|
|
|
Truellum perfoliatum (L.) Soják
|
W. D. Longbottom 12209 |
17 Sep 2008 |
United States of America |
Maryland |
Queen Anne's Co. along MD… |
— |
|
|
|
|
|
Pectis prostrata Cav.
|
W. D. Longbottom 14539 |
18 Nov 2010 |
United States of America |
Florida |
Osceola Co. Along CR 532… |
— |
|
|
|
|
|
Pectis prostrata Cav.
|
W. D. Longbottom 14467 |
16 Nov 2010 |
United States of America |
Florida |
Orange Co. Criminal Justice Institute… |
— |
|
|
|
|
|
Truellum sagittatum (L.) Soják
|
W. D. Longbottom 12182 |
13 Sep 2008 |
United States of America |
Maryland |
Dorchester Co. North of East… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 15513 |
15 Jul 2011 |
United States of America |
Maryland |
Worcester Co. South east of… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 18328 |
06 Oct 2012 |
United States of America |
Delaware |
Sussex Co. near intersection of… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 15941 |
23 Aug 2011 |
United States of America |
Maryland |
Wicomico Co. north east of… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 15940 |
23 Aug 2011 |
United States of America |
Maryland |
Wicomico Co. north east of… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 12015 |
17 Aug 2008 |
United States of America |
Maryland |
Wicomico Co. north east of… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 12979 |
06 Oct 2009 |
United States of America |
Maryland |
Caroline Co. along MD Rt.… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 12960 |
29 Sep 2009 |
United States of America |
Maryland |
Talbot Co. east side of… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 18227 |
15 Sep 2012 |
United States of America |
Maryland |
Anne Arundel Co. White Rocks… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 12317 |
04 Oct 2008 |
United States of America |
Maryland |
Wicomico Co. along Northgate Drive… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 12142 |
01 Sep 2008 |
United States of America |
Delaware |
Sussex Co. along US Rt.… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 12246 |
24 Sep 2008 |
United States of America |
Maryland |
Somerset Co. North of Princess… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 12068 |
25 Aug 2008 |
United States of America |
Maryland |
Wicomico Co. MD Rt.12, west… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 16164 |
25 Sep 2011 |
United States of America |
North Carolina |
Nash Co. Town of Whitakers,… |
— |
|
|
|
|
|
Persicaria pensylvanica (L.) M.Gómez
|
W. D. Longbottom 15814 |
15 Aug 2011 |
United States of America |
Ohio |
Meigs Co. Olive Township, town… |
— |
|
|
|
|
|
Persicaria perfoliata (L.) H.Gross
|
W. D. Longbottom 15740 |
14 Aug 2011 |
United States of America |
Maryland |
Allegany Co. between US Rt.… |
— |
|
|
|
|
|
Persicaria punctata (Elliott) Small
|
W. D. Longbottom 12143 |
01 Sep 2008 |
United States of America |
Delaware |
Sussex Co. along US Rt.… |
— |
|
|
|
|
|
Persicaria punctata (Elliott) Small
|
W. D. Longbottom 12315 |
04 Oct 2008 |
United States of America |
Maryland |
Wicomico Co. along Northgate Drive… |
— |
|
|
|
|
|
Persicaria punctata (Elliott) Small
|
W. D. Longbottom 18231 |
16 Sep 2012 |
United States of America |
Maryland |
Caroline Co. MD Rt. 331,… |
— |
|
|
|
|
|
Persicaria punctata (Elliott) Small
|
W. D. Longbottom 12568 |
04 May 2009 |
United States of America |
Florida |
Seminole Co. Town of Sanford,… |
— |
|
|
|
|
|
Rudbeckia laciniata L.
|
W. D. Longbottom 11975 |
11 Aug 2008 |
United States of America |
West Virginia |
Pocahontas Co. Burner Mountain north… |
— |
|
|
|
|
|
Persicaria sagittata (L.) H.Gross
|
W. D. Longbottom 15883 |
16 Aug 2011 |
United States of America |
Maryland |
Garrett Co. Piney Run Reservoir |
— |
|
|
|
|
|
Persicaria sagittata (L.) H.Gross
|
W. D. Longbottom 14218 |
29 Aug 2010 |
United States of America |
Maryland |
Anne Arundel Co. Sevema Park,… |
— |
|
|
|
|
|
Persicaria maculosa Gray
|
W. D. Longbottom 15700 |
07 Aug 2011 |
United States of America |
New Jersey |
Burlington Co. south of the… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 14216 |
28 Aug 2010 |
United States of America |
Maryland |
Caroline Co. Idylwild Wildlife Management… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 12990 |
19 Oct 2009 |
United States of America |
Maryland |
Queen Anne's Co. along US… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 12020 |
17 Aug 2008 |
United States of America |
Maryland |
Wicomico Co. north east of… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 12021 |
17 Aug 2008 |
United States of America |
Maryland |
Wicomico Co. north east of… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 14351 |
21 Sep 2010 |
United States of America |
Pennsylvania |
York Co. York Furnace, Indian… |
— |
|
|
|
|
|
Persicaria
|
W. D. Longbottom 14323 |
21 Sep 2010 |
United States of America |
Pennsylvania |
York Co. East Branch of… |
— |
|
|
|
|
|
Polygonella articulata (L.) Meisn.
|
W. D. Longbottom 12345 |
14 Oct 2008 |
United States of America |
Maryland |
Wicomico Co. West of the… |
— |
|
|
|
|
|
Polygonella articulata (L.) Meisn.
|
W. D. Longbottom 12323 |
07 Oct 2008 |
United States of America |
Maryland |
Anne Arundel Co. community of… |
— |
|
|
|
|
|
Polygonella articulata (L.) Meisn.
|
W. D. Longbottom 16117 |
20 Sep 2011 |
United States of America |
Maryland |
Dorchester Co. Twelve Oaks, Chesapeake… |
— |
|
|
|
|
|
Polygonum aviculare L.
|
W. D. Longbottom 9863 |
12 Jul 2007 |
United States of America |
Maryland |
Caroline Co. between Back Landing… |
— |
|
|
|
|
|
Ludwigia octovalvis (Jacq.) Raven subsp. octovalvis
|
W. D. Longbottom 24779 |
16 May 2016 |
United States of America |
Florida |
Nassau Co. FL Rt. 200-A1A,… |
— |
|
|
|
|
|
Nitella furcata (Roxb. ex Bruzelius) C.Agardh
|
J. D. Hall | W. D. Longbottom 6678 |
16 Sep 2018 |
United States of America |
Maryland |
Caroline Co. Hickman Quad, Idylwild… |
— |
|
|
|
|
|
Viola arvensis Murray
|
W. D. Longbottom 14644 |
27 Mar 2011 |
United States of America |
Maryland |
Caroline Co. Town of Preston,… |
— |
|
|
|
|
|
Viola arvensis Murray
|
W. D. Longbottom 14768 |
24 Apr 2011 |
United States of America |
Maryland |
Anne Arundel Co. Magothy Beach,… |
— |
|
|
|
|
|
Viola arvensis Murray
|
W. D. Longbottom 14837 |
03 May 2011 |
United States of America |
Delaware |
Sussex Co. West of the… |
— |
|
|
|
|
|
Viola arvensis Murray
|
W. D. Longbottom 13138 |
18 Apr 2010 |
United States of America |
Maryland |
Caroline Co. North east of… |
— |
|
|
|
|
|
Viola emarginata (Nutt.) Leconte
|
W. D. Longbottom 19158 |
14 May 2013 |
United States of America |
Pennsylvania |
Cumberland Co. Southampton Township, Michaux… |
— |
|
|
|
|
|
Viola emarginata (Nutt.) Leconte
|
W. D. Longbottom 19142 |
14 May 2013 |
United States of America |
Pennsylvania |
Cumberland Co. Southampton Township, Michaux… |
— |
|
|
|
|
|
Viola rafinesquei Greene
|
W. D. Longbottom 14659 |
28 Mar 2011 |
United States of America |
Maryland |
Worcester Co. at US Rt.… |
— |
|
|
|
|
|
Viola rafinesquei Greene
|
W. D. Longbottom 14765 |
24 Apr 2011 |
United States of America |
Maryland |
Anne Arundel Co. Magothy Beach,… |
— |
|
|
|
|
|
Viola rafinesquei Greene
|
W. D. Longbottom 14773 |
25 Apr 2011 |
United States of America |
Delaware |
Sussex Co. West of Bridgeville,… |
— |
|
|
|
|
|
Viola rafinesquei Greene
|
W. D. Longbottom 13139 |
18 Apr 2010 |
United States of America |
Maryland |
Caroline Co. North east of… |
— |
|
|
|
|
|
Viola communis Pollard
|
W. D. Longbottom 14750 |
22 Apr 2011 |
United States of America |
Maryland |
Worcester Co. Northern Worcester Athletic… |
— |
|
|
|
|
|
Viola arvensis Murray x V. tricolor L.
|
W. D. Longbottom 13103 |
13 Apr 2010 |
United States of America |
Maryland |
Caroline Co. along Railroad Avenue… |
— |
|
|
|
|
|
Viola arvensis Murray x V. tricolor L.
|
W. D. Longbottom 13099 |
13 Apr 2010 |
United States of America |
Maryland |
Caroline Co. at the end… |
— |
|
|
|
|
|
Erigeron quercifolius Lam.
|
W. D. Longbottom 20907 |
26 May 2014 |
United States of America |
North Carolina |
Brunswick Co. Rt. 133, River… |
— |
|
|
|
|
|
Floerkea proserpinacoides Willd.
|
W. D. Longbottom 18899 |
14 Apr 2013 |
United States of America |
Maryland |
Washington Co. Town of Sharpsburg,… |
— |
|
|
|
|
|
Acer rubrum L.
|
W. D. Longbottom 18853 |
07 Apr 2013 |
United States of America |
Maryland |
Saint Mary's Co. Town of… |
— |
|
|
|
|
|
Acer rubrum L.
|
W. D. Longbottom 18854 |
07 Apr 2013 |
United States of America |
Maryland |
Saint Mary's Co. Town of… |
— |
|
|
|
|
|
Scirpus georgianus R.M.Harper
|
W. D. Longbottom 19764 |
25 Jun 2013 |
United States of America |
Maryland |
Worcester Co. Town of Berlin,… |
— |
|
|
|
|
|
Carex annectens (E.P.Bicknell) E.P.Bicknell
|
W. D. Longbottom 19772 |
26 Jun 2013 |
United States of America |
Delaware |
Sussex Co. Gravel Hill, Steiner… |
— |
|
|
|
|
|
Dichanthelium oligosanthes subsp. oligosanthes
|
W. D. Longbottom 12880 |
31 May 2009 |
United States of America |
Maryland |
Caroline Co. Idylwild Wildlife Management… |
— |
|
|
|
|
|
Pycnothymus rigidus (W.Bartram ex Benth.) Small
|
W. D. Longbottom 18594 |
28 Feb 2013 |
United States of America |
Florida |
Seminole Co. Fort Christmas Road… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 12316 |
04 Oct 2008 |
United States of America |
Maryland |
Wicomico Co. along Northgate Drive… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 12216 |
17 Sep 2008 |
United States of America |
Maryland |
Wicomico Co. MD Rt. 513,… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 10709 |
15 Oct 2007 |
United States of America |
Maryland |
Caroline Co. MD Rt. 318… |
— |
|
|
|
|
|
Persicaria longiseta (Bruijn) Kitag.
|
W. D. Longbottom 12341 |
14 Oct 2008 |
United States of America |
Maryland |
Wicomico Co. North east of… |
— |
|
|
|
|
|
Verbesina occidentalis (L.) Walter
|
W. D. Longbottom 20343 |
10 Sep 2013 |
United States of America |
Maryland |
Caroline Co. Along MD Rt.… |
— |
|
|
|
|
|
Egeria densa Planch.
|
W. D. Longbottom 4811 |
06 May 2000 |
United States of America |
Florida |
Volusia Co. North of Ormond… |
— |
|
|
|
|
|
Carex blanda Dewey
|
W. D. Longbottom 4169 |
28 May 1997 |
United States of America |
Maryland |
Montgomery Co. Town of Rockville,… |
— |
|
|
|
|
|
Carex laxiflora Lam.
|
W. D. Longbottom 7322 |
21 May 2006 |
United States of America |
Maryland |
Baltimore Co. Loch Raven, along… |
— |
|
|
|
|
|
Carex blanda Dewey
|
W. D. Longbottom 7334 |
21 May 2006 |
United States of America |
Maryland |
Baltimore Co. Town of Phoenix,… |
— |
|
|
|
|
|
Viburnum dentatum L.
|
W. D. Longbottom 17421 |
27 May 2012 |
United States of America |
Pennsylvania |
Fayette Co. Northwest of Markleysburg,… |
— |
|
|
|
|
|
Viburnum dentatum L.
|
W. D. Longbottom 12787 |
24 May 2009 |
United States of America |
Maryland |
Caroline Co. North of Denton,… |
— |
|
|
|
|
|
Viburnum dentatum L.
|
W. D. Longbottom 13276 |
08 May 2010 |
United States of America |
Maryland |
Dorchester Co. Between the towns… |
— |
|
|
|
|
|
Viburnum dentatum L.
|
W. D. Longbottom 13286 |
12 May 2010 |
United States of America |
Maryland |
Howard Co. along Dorsey Run… |
— |
|
|
|
|