Muséum national d'Histoire naturelle (MNHN)
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Collection
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[1]
TYPE
Pecopteris
denticulata
MNHN-F-611.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[2]
TYPE
Pecopteris
withbiensis
MNHN-F-707.2
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[3]
TYPE
Phlebopteris
polypodioides
MNHN-F-935.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[4]
TYPE
Sphenopteris
denticulata
MNHN-F-256.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[5]
FIGURÉ
Pecopteris
withbiensis
MNHN-F-707.1
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[6]
FIGURÉ
Pecopteris
williamsonis
MNHN-F-710.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[7]
Incertae sedis
MNHN-F-3578.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[8]
Incertae sedis
MNHN-F-3638.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[9]
Otopteris
acuminata
LINDLEY & HUTTON, 1834
MNHN-F-4942.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[10]
Taeniopteris
vittata
(BRONGNIART, 1831)
MNHN-F-520.1
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[11]
Taeniopteris
vittata
(BRONGNIART, 1831)
MNHN-F-520.2
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[12]
Pecopteris
philipsii
MNHN-F-625.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[13]
Fucoides
aequalis
Ad. BRONGNIART
MNHN-F-4851.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[14]
Schizopteris
digitata
MNHN-F-4852.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[15]
Schizopteris
gracilis
Ad. BRONGNIART
MNHN-F-4853.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Gristhorpe Bay, près Scarborough
Williamson|Williamson
[16]
Dictyophyllum
rugosum
LINDLEY & HUTTON, 1834
MNHN-F-4854.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Gristhorpe Bay, près Scarborough
Williamson|Williamson
[17]
Lycopodites
williamsonis
Ad. BRONGNIART, 1828
MNHN-F-4855.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Gristhorpe Bay
Williamson|Williamson
[18]
MNHN-F-4856.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Chaibum wyke
Williamson|Williamson
[19]
Thuytes
expansa
STERNBERG, 1824
MNHN-F-4857.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Chaibum wyke
Williamson|Williamson
[20]
MNHN-F-4858.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Chaibum wyke
Williamson|Williamson
[21]
MNHN-F-4859.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Gristhorpebay
Williamson|Williamson
[22]
Nilssonia
williamsonis
MNHN-F-4860.1
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Gristhorpebay
Williamson|Williamson
[23]
Pterophyllum
williamsonis
MNHN-F-4860.2
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Gristhorpebay
Williamson|Williamson
[24]
Otopteris
acuta
LINDLEY
MNHN-F-4861.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[25]
Otopteris
acuta
LINDLEY
MNHN-F-4862.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[26]
Otozamites
dijunctus
SAPORTA
MNHN-F-4863.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Runswick Bay
Runswick
Williamson|Williamson
Pliensbachien
[27]
MNHN-F-4864.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[28]
MNHN-F-4865.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Gristhorpebay
Williamson|Williamson
[29]
Zamites
sp.
MNHN-F-4866.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
Aalénien
[30]
Pterophyllum
pectinoides
MNHN-F-4866.ii
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
Aalénien
[31]
Zamia
longifolia
Ad. BRONGNIART
MNHN-F-4867.1
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[32]
Cycadites
lanceolatus
PHILLIPS, 1835
MNHN-F-4867.2
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[33]
Zamia
mantelli
Ad. BRONGNIART
MNHN-F-4868.1
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Runswick Bay
Runswick
Williamson|Williamson
[34]
Zamia
gigas
LINDLEY
MNHN-F-4868.2
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Runswick Bay
Runswick
Williamson|Williamson
[35]
MNHN-F-4869.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Cloughton
Hayburn wyke
Williamson|Williamson
[36]
MNHN-F-1698.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[37]
Lycopodites
williamsonis
Ad. BRONGNIART, 1828
MNHN-F-2098.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Gristhorpebay
Williamson|Williamson
[38]
Sphenopteris
williamsonis
MNHN-F-237.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Scarborough
Scarborough
Williamson|Williamson
[39]
Zamia
longifolia
Ad. BRONGNIART
MNHN-F-1586.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson
[40]
Pterophyllum
williamsonis
MNHN-F-1615.
Collection
WILLIAMSON
Royaume-Uni
(GB)
Cayton Bay
Williamson|Williamson