SIM
SIM0012547 R. C. Meyer s.n. 1952-06-21
United States, Virginia, near Williamsburg
SIM
SIM0012549 R. C. Meyer s.n. 1952-06-21
United States, Virginia, near Williamsburg
SIM
SIM0012865 William T. Davis s.n. 1916-08-10
United States, Virginia, Ft. Monroe
SIM
SIM0012866 William T. Davis s.n. 1911-09-22
United States, Virginia, Alexandria City, Potomac River
SIM
SIM0012867 William T. Davis s.n. 1911-09-22
United States, Virginia, Alexandria City, banks of Potomac River
SIM
SIM0012868 William T. Davis s.n. 1911-09-22
United States, Virginia, Alexandria City, Potomac River
SIM
SIM0013023 R. C. Meyer s.n. 1950-07-00
United States, Virginia
SIM
SIM0013501 R. C. Meyer s.n. 1950-07-00
United States, Virginia
SIM
SIM0013752 Arthur Hollick s.n. 1890-09-00
United States, Virginia, Virginia Beach
SIM
SIM0013783 R. C. Meyer s.n. 1951-06-03
United States, Virginia, Rt. no. 1, S of Alexandria
SIM
SIM0013848 William T. Davis s.n. 1927-08-00
United States, Virginia, Wingina
SIM
SIM0013933 A. T. Beals s.n. 1936-08-00
United States, Virginia
SIM
SIM0013992 Philip Dowell 5366 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0014129 E. S. Steele s.n. 1904-09-09
United States, Virginia, Rockbridge, Little North Mountain near pass, vicinity of Goshen, in the Alleghenies, 550m
SIM
SIM0014160 Philip Dowell 6726 1911-08-19
United States, Virginia, Fairfax, near Great Falls, at Elkins Station
SIM
SIM0014162 Philip Dowell 5365 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Sta.
SIM
SIM0014210 Philip Dowell 6455 1910-08-13
United States, Virginia, Fairfax, Cameron Run
SIM
SIM0014730 Philip Dowell 3078 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0014775 A. H. Curtiss s.n. 1873-00-00
United States, Virginia, Bedford
SIM
SIM0014781 A. H. Curtis s.n. 1873-00-00
United States, Virginia, Bedford
SIM
SIM0014793 Philip Dowell 3079 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0014837 Philip Dowell 3216 1904-08-20
United States, Virginia, Potomac above Chain Bridge
SIM
SIM0014839 William R. Maxon 433 1901-09-08
United States, Virginia, Fairfax, along Potomac River
SIM
SIM0014840 Philip Dowell 3216 1904-08-20
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0014968 E. S. Steele s.n. 1904-09-13
United States, Virginia, Rockbridge, Jump Rock, at summit, vicinity of Goshen, in the Alleghenies, 900m
SIM
SIM0014989 Philip Dowell 3080 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0014993 Philip Dowell 3080 1904-08-06
United States, Virginia, Fairfax, Chain Bridge, Potomac
SIM
SIM0015000 Philip Dowell 5418 1908-08-08
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015034 Unknown s.n. 1937-08-00
United States, Virginia, natural bridge
SIM
SIM0015039 Philip Dowell 3087 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015040 Philip Dowell 3140 1904-08-09
United States, Virginia, Alexandria City, Four Mile Run
SIM
SIM0015092 Philip Dowell 3214 1904-08-20
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015096 Philip Dowell 5390 1908-08-01
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0015098 Philip Dowell 3214 1904-08-20
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0015099 Philip Dowell 1740 1902-09-28
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0015121 Philip Dowell 3215 1904-08-20
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0015123 Philip Dowell 5364 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0015217 Philip Dowell 5416 1908-08-08
United States, Virginia, near Chain Bridge
SIM
SIM0015229 Philip Dowell 3086 1904-08-06
United States, Virginia, Fairfax, Above Chain Bridge
SIM
SIM0015252 Philip Dowell 5393 1908-08-01
United States, Virginia, opposite Plummers Island
SIM
SIM0015284 Philip Dowell 3077 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015289 Philip Dowell 5392 1908-08-01
United States, Virginia, Fairfax, opposite Plummers Island
SIM
Thelypteris hexagonoptera forma truncata
SIM0015332 William R. Maxon s.n. 1899-05-30
United States, Virginia, Fairfax, near the Potomac River, opposite Cabin John, Maryland, near Dead Run
SIM
SIM0015356 Philip Dowell 3085 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015426 Philip Dowell 3103 1904-08-07
United States, Virginia, Fairfax, Hunting Cr, near Alexandria
SIM
SIM0015571 Philip Dowell 5491 1908-08-23
United States, Virginia, Fairfax, near Great Falls, Elkins Station
SIM
SIM0015572 Philip Dowell 5359 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0015573 Philip Dowell 5359 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0015744 Philip Dowell 5358 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0015745 Philip Dowell 5493 1908-08-23
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0015784 Philip Dowell 3082 1904-08-06
United States, Virginia, Fairfax, Chain Bridge, bank of Potomac
SIM
SIM0015813 Philip Dowell 5394 1908-08-01
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0015815 Philip Dowell 3081 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015816 Philip Dowell 3082 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0015817 Philip Dowell 3082 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0016129 Philip Dowell 6433 1910-08-07
United States, Virginia, Fairfax, below Elkins Station
SIM
SIM0016149 Philip Dowell 5492 1908-08-23
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0016151 Philip Dowell 5360 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0016514 Philip Dowell 5362 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0016515 Philip Dowell 5490 1908-08-23
United States, Virginia, Fairfax, near Great Falls, near Elkins Station, N side of track
SIM
Dryopteris cristata x marginalis
SIM0016666 Philip Dowell 5494 1908-08-23
United States, Virginia, Great Falls, below Elkins Station
SIM
Dryopteris cristata x marginalis
SIM0016667 Philip Dowell 5361 1908-07-19
United States, Virginia, Great Falls, below Elkins Station
SIM
Dryopteris cristata x marginalis
SIM0016673 Philip Dowell 6431 1910-08-07
United States, Virginia, Fairfax, Below Elkins Station
SIM
Dryopteris cristata x marginalis
SIM0016674 Philip Dowell 6432 1910-08-07
United States, Virginia, Fairfax, below Elkins Station
SIM
SIM0016968 Philip Dowell 5391 1908-08-01
United States, Virginia, Fairfax, opposite Plummers Island
SIM
SIM0016969 Philip Dowell 5363 1908-07-19
United States, Virginia, Fairfax, near Great Falls, near Elkins Station
SIM
SIM0016970 Philip Dowell 5417 1908-08-08
United States, Virginia, above Chain Bridge
SIM
SIM0016973 Philip Dowell 3084 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0016974 Philip Dowell 3083 1904-08-06
United States, Virginia, above Chain Bridge
SIM
SIM0016975 Philip Dowell 3083 1904-08-06
United States, Virginia, Fairfax, above Chain Bridge
SIM
SIM0017057 William T. Davis s.n. 1916-08-04
United States, Virginia, Buckingham, opposite Wingina, Nelson county
SIM
SIM0017058 William T. Davis s.n. 1921-08-11
United States, Virginia, Buckingham, near Wingina in Nelson Co.
SIM
SIM0017076 William T. Davis s.n. 1911-09-21
United States, Virginia, Fairfax, Spring Hill Station
SIM
SIM0017183 Philip Dowell 3105 1904-08-07
United States, Virginia, Alexandria, Hunting Creek and Mount Vernon Rd
SIM
SIM0017236 C. W. Leng s.n. 1900-10-01
United States, Virginia, Warm Springs
SIM
SIM0017396 A. H. Curtiss s.n. 1871-09-20
United States, Virginia, Bedford
SIM
SIM0017739 Arthur Hollick s.n. 1890-09-26
United States, Virginia, Virginia Beach
SIM
SIM0017741 Arthur Hollick s.n. 1890-09-26
United States, Virginia, Virginia Beach
SIM
SIM0017802 A. H. Curtiss s.n. 1871-09-21
United States, Virginia, Bedford
SIM
SIM0017845 Arthur Hollick s.n. 1890-09-00
United States, Virginia, Virginia Beach
SIM
SIM0018071 William T. Davis s.n. 1900-06-00
United States, Virginia, Nelson, Wingina
SIM
SIM0018072 William T. Davis s.n. 1900-11-10
United States, Virginia, neat Mount Vernon
SIM
SIM0018075 William T. Davis s.n. 1921-08-00
United States, Virginia, Nelson, Wingina
SIM
SIM0018203 Unknown 3033 1904-07-31
United States, Virginia, Hunting Cr, Mt. Vernon Road, Alexandria
SIM
SIM0018314 William T. Davis s.n. 1924-08-09
United States, Virginia, Buckingham, near James River
SIM
SIM0018355 William T. Davis s.n. 1923-08-02
United States, Virginia, Nelson, Wingina
SIM
SIM0018459 William T. Davis s.n. 1924-08-09
United States, Virginia, Buckingham, near James River
SIM
SIM0018460 William T. Davis s.n. 1924-08-09
United States, Virginia, Buckingham, near James River
SIM
SIM0018549 William T. Davis s.n. 1924-08-00
United States, Virginia, Wingina, near James River
SIM
SIM0018550 William T. Davis s.n. 1924-08-00
United States, Virginia, Nelson, Wingina
SIM
SIM0018551 William T. Davis s.n. 1924-08-00
United States, Virginia, Wingina
SIM
SIM0018567 Arthur Hollick s.n. 1913-05-03
United States, Virginia, Great Falls of the Potomac
SIM
SIM0018569 William T. Davis s.n. 1927-08-00
United States, Virginia, Buckingham, near James River
SIM
SIM0018602 William T. Davis s.n. 1924-08-00
United States, Virginia, Nelson, Wingina
SIM
SIM0018738 Arthur Hollick s.n. 1913-05-03
United States, Virginia, Fairfax, Great Falls of the Potomac
SIM
SIM0018810 Philip Dowell 3050 1904-07-31
United States, Virginia, Alexandria City, Mt. Vernon Road
SIM
SIM0019077 William T. Davis s.n. 1927-08-00
United States, Virginia, Buckingham, near James River
SIM
SIM0019213 William T. Davis s.n. 1924-08-06
United States, Virginia, Nelson, Wingina
SIM
SIM0019214 William T. Davis s.n. 1924-08-00
United States, Virginia, Wingina
SIM
SIM0019218 William T. Davis s.n. 1900-11-10
United States, Virginia, Mount Vernon