A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A
ABSC
ACAD
ACFC
ACSJ
AEIC
AGSASK
ALA
ALTA
AMNH
B
BMNH
BMS
BMSC
BMUC
BNHN
Botanical Society of the British Isles
Botanische Staatssammlung München
BPBM
BPI
BR
BRASS
BRI
Bristol Regional Environmental Records Centre
British Bryological Society
BRY
BS
BSC; Bird Studies Canada - Etudes d'Oiseaux Canada
BSKU
BSUD
BUAP
BUF
BUTLER
Butterfly Conservation
BYU
BZM- HU
C
C
CA
CABI
CAFB
CALPOLY
CAN
CANB
CAS
CASC
CAS-SU
CBG
CBM
CBM-ZF
CBRI
CBS
CC
CCAP
CCUG
CCY
CDAE
CDC
CDFA
CEB
CEBAJ-INIFAP
CECT
CEDO
CEME
CENA
CERN
CFM
CFMNH
CFNS
CFSF
CHAH
CHI
CHM
CIATEJ
CIB
CIBNOR
CIB-UV
CICB-UAT
CICESE
CICIMAR
CICIMAR-CI
CICIMAR-IPN
CICY
CIDA
CIEN-UA
CIHS-UAC
CIIDIR-DURANGO
CIIDIR-MICHOACAN
CIIDIR-OAXACA
CIMMYT
CINVESTAV
CIP-INSP
CIRA
CIS-UCB
CITA
CJBN
CK-04
CLO
CM
CM,LACM
CM,UNSM,YPM
CMK
CMN
CMNH
CNA
CNC
CNCI