Anogramma leptophylla #020
Anogramma leptophylla #064
Anogramma leptophylla #085
Anogramma leptophylla #088
Asplenium billotii #021
Asplenium billotii #092
Asplenium billotii #110
Asplenium billotii #116
Asplenium billotii #117
Asplenium billotii #119
Asplenium ceterach #122
Asplenium onopteris #067
Asplenium onopteris #068
Asplenium trichomanes #101
Blechnum spicant #135
Broomrape #065
Butterwort #151
Castelo de Penedono #120
Cheilanthes hispanica #075
Cheilanthes hispanica #077
Covas de Castromil #007
Covas de Castromil #003
Covas de Castromil #008
Covas de Castromil #009
Covas de Castromil #011
Covas de Castromil #012
Covas de Castromil #014
Covas de Castromil #017
Culcita macrocarpa #050
Culcita macrocarpa #052
Culcita macrocarpa #054
Culcita macrocarpa #056
Culcita macrocarpa #057
Cystopteris diaphana #123
Cystopteris diaphana #127
Cystopteris diaphana #128
Davallia canariensis #069
Dom Luís I Bridge #154
Dom Luís I Bridge #160
Douro River #080
Douro River #082
Douro River #103
Douro River (Peso da Régua) #093
Douro River (Quinta Dona Matilde) #104
Douro Valley #083
Douro Valley #084
Douro Valley #106
Dryopteris affinis #071
Dryopteris affinis #072
Dryopteris guanchica #047
Dryopteris guanchica #142
Dryopteris guanchica #145
Ferns #073
Fish #156
Goats #060
Goats #063
Gold mines of Valongo #033
Gold mines of Valongo #036
Gold mines of Valongo #037
Gold mines of Valongo #042
Gold mines of Valongo #044
Jovim #046
Lycopodium clavatum #147
Lycopodium clavatum #148
Osmunda regalis #029
Osmunda regalis #032
Osmunda regalis #134
Osmunda regalis #136
Parades (possibly) #013
Polypodium cambricum #094
Polypodium cambricum #096
Polypodium cambricum #098
Polystichum setiferum #070
Polystichum setiferum #074
Portugese Flag #121
Pteris vittata #079
Ribeira district of Porto #157
Ribeira district of Porto #158
Ribeira district of Porto #161
Ribeira district of Porto #162
Sundew #149
São Pedro da Cova Coal Mine #045
Unknown location #129
Unknown location #114
Unknown location #130
Unknown location #132