pedatum — 7 images

platyneuron — 12 images
trichomanes — 1 image

areolata — 17 images
virginica — 19 images

punctilobula — 17 images

aquilinum — 14 images

filix-femina var. angustum — 17 images

fragilis — 11 images

acrostichoides — 5 images

carthusiana — 8 images
clintoniana — 1 image
cristata — 11 images
filix-mas — 4 images
intermedia — 17 images
marginalis — 15 images

dryopteris — 3 images

struthiopteris — 11 images

sensibilis — 21 images

acrostichoides — 15 images

arvense — 20 images
fluviatile — 22 images
hyemale — 10 images
pratense — 3 images
sylvaticum — 3 images
variegatum — 5 images
x litorale — 7 images

digitatum — 13 images
tristachyum — 11 images

lucidula — 7 images

inundata — 15 images

annotinum — 1 image
clavatum — 9 images
hickeyi — 6 images
obscurum — 19 images

quadrifolia — 7 images

dissectum — 4 images
virginianum — 13 images

cinnamomea — 22 images
claytoniana — 17 images
regalis — 22 images

appalachianum — 3 images
virginianum — 12 images

connectilis — 11 images
hexagonoptera — 5 images

noveboracensis — 8 images
palustris — 14 images
simulata — 15 images

thyoides — 49 images

communis var. depressa — 26 images
conferta — 28 images
horizontalis — 8 images
virginiana — 52 images

occidentalis — 8 images

balsamea — 22 images

decidua — 10 images
laricina — 14 images
sp. — 3 images

abies — 34 images
mariana — 24 images
rubens — 9 images

banksiana — 9 images
nigra — 9 images
resinosa — 15 images
rigida — 81 images
strobus — 57 images
sylvestris — 10 images
thunbergii — 13 images

menziesii — 20 images

canadensis — 33 images

canadensis — 19 images
sp. — 5 images

filamentosa — 11 images

subcordatum — 2 images
triviale — 6 images

engelmanniana — 9 images
graminea — 6 images
latifolia — 17 images
teres — 47 images

calamus — 16 images

triphyllum — 14 images

palustris — 15 images

virginica — 12 images

foetidus — 15 images

communis — 3 images

ohiensis — 3 images
virginiana — 10 images

capillaris — 13 images

albicans var. emmonsii — 3 images
annectens — 6 images
atlantica ssp. capillacea — 9 images
bromoides — 4 images
communis — 8 images
comosa — 11 images
crinita — 7 images
folliculata — 11 images
gracillima — 5 images
hormathodes — 9 images
intumescens — 9 images
laxiflora — 11 images
lupuliformis — 2 images
lupulina — 4 images
lurida — 12 images
pensylvanica — 12 images
plantaginea — 2 images
platyphylla — 2 images
projecta — 1 image
rosea — 2 images
scoparia — 15 images
straminea — 7 images
stricta — 10 images
swanii — 6 images
tonsa — 19 images
utriculata — 11 images
vestita — 11 images
vulpinoidea — 10 images

mariscoides — 7 images

dentatus — 17 images
grayi — 15 images
lupulinus — 12 images
strigosus — 17 images

arundinaceum — 17 images

acicularis — 28 images
flavescens var. olivacea — 19 images
melanocarpa — 36 images
obtusa — 38 images
obtusa var. ellipsoidalis — 10 images
obtusa var. jejuna — 2 images
palustris — 7 images
robbinsii — 41 images
rostellata — 16 images
tenuis — 1 image
tuberculosa — 14 images
uniglumis — 10 images

virginicum — 8 images

autumnalis — 11 images

pumila — 29 images

alba — 13 images
capitellata — 26 images
inundata — 2 images
macrostachya — 28 images
nitens — 11 images
scirpoides — 40 images

acutus — 5 images
americanus — 5 images
atrocinctus — 1 image
atrovirens var. georgianus — 5 images
cyperinus — 21 images
fluviatilis — 4 images
longii — 2 images
pungens — 7 images
robustus — 9 images
smithii — 14 images
subterminalis — 14 images
tabernaemontani — 15 images
verecundus — 7 images

reticularis — 30 images

aquaticum — 28 images

caroliniana — 18 images

densa — 4 images

pseudacorus — 11 images
versicolor — 21 images

angustifolium — 11 images
atlanticum — 2 images
montanum var. crebrum — 2 images

bufonius — 5 images
canadensis — 22 images
effusus — 8 images
gerardii — 9 images
greenei — 13 images
marginatus — 7 images
militaris — 32 images
pelocarpus — 23 images
secundus — 5 images
tenuis — 7 images

multiflora — 15 images

maritimum — 20 images

minor — 4 images
valdiviana — 2 images

polyrhiza — 3 images

columbiana — 6 images

sativum — 3 images
tricoccum — 2 images
vineale — 7 images

officinalis — 11 images

luciliae — 4 images

borealis — 15 images

majalis — 7 images

americanum — 13 images

fulva — 8 images

sp. — 3 images

hirsuta — 9 images

canadense — 17 images
lancifolium — 3 images
philadelphicum — 26 images
superbum — 3 images

canadense — 9 images

virginiana — 20 images

umbellatum — 2 images

biflorum — 4 images
pubescens — 16 images

sibirica — 5 images

racemosa — 9 images
stellata — 4 images

roseus — 6 images

cernuum — 4 images
erectum — 12 images
undulatum — 4 images

sessilifolia — 15 images

viride — 14 images

gracillima — 2 images

bulbosa — 7 images

tuberosus — 8 images

acaule — 7 images

helleborine — 18 images

pubescens — 12 images
tesselata — 18 images

verticillata — 9 images

blephariglottis — 12 images
clavellata — 11 images
grandiflora — 7 images

ophioglossoides — 9 images

cernua — 15 images
tuberosa — 7 images

scabra — 10 images

caryophyllea — 5 images

pratensis — 2 images

breviligulata — 17 images

gerardii — 6 images
glomeratus — 7 images
virginicus — 5 images

aristatum — 3 images
odoratum — 15 images

dichotoma — 5 images

sativa — 1 image

septentrionale — 5 images

inermis — 4 images
pubescens — 5 images
sterilis — 2 images
tectorum — 6 images

canadensis — 31 images
coarctata — 4 images
epigeios — 10 images
pickeringii — 9 images

spinifex — 9 images

arundinacea — 2 images

glomerata — 6 images

compressa — 14 images
spicata — 4 images

flexuosa — 8 images

acuminatum var. fasciculatum — 18 images
acuminatum var. implicatum — 8 images
clandestinum — 6 images
depauperatum — 3 images
dichotomum — 6 images
latifolium — 7 images
linearifolium — 4 images
oligosanthes var. scribnerianum — 9 images
sp. — 1 image
spretum — 3 images
wrightianum — 2 images

ischaemum — 2 images
sanguinalis — 12 images
violascens — 9 images

spicata — 6 images

crus-galli — 11 images
frumentacea — 3 images
walterii — 14 images

trachycaulus ssp. glaucus — 1 image
virginicus — 8 images
virginicus var. halophilus — 6 images

pungens — 2 images

minor — 2 images
pectinacea — 8 images
pilosa — 2 images
spectabilis — 14 images

arundinacea — 4 images
filiformis — 8 images
rubra — 2 images

canadensis — 9 images
obtusa — 12 images
striata — 5 images

lanatus — 10 images

leporinum — 7 images

patula — 8 images

oryzoides — 31 images

multiflorum — 6 images

schreberi — 2 images
sobolifera — 1 image
uniflora — 19 images

pungens — 3 images

capillare — 6 images
dichotomiflorum — 16 images
rigidulum — 12 images
verrucosum — 17 images
virgatum — 16 images

smithii — 5 images

arundinacea — 17 images

pratense — 11 images

altissimus — 10 images
australis — 29 images
australis ssp. americanus — 16 images
sp. — 17 images

avenaceum — 18 images

annua — 6 images
bulbosa — 4 images
chapmaniana — 4 images
compressa — 10 images
nemoralis — 5 images
palustris — 6 images
pratensis — 3 images
trivialis — 5 images

scoparium — 18 images

faberi — 10 images
glauca — 5 images
parviflora — 7 images
viridis — 2 images

alterniflora — 19 images
cynosuroides — 5 images
patens — 17 images
pectinata — 17 images

vaginiflorus — 4 images

pycnanthum — 3 images

pallida var. fernaldii — 4 images

purpurea — 7 images

octoflora var. tenella — 4 images

crassipes — 3 images

cordata — 12 images

amplifolius — 3 images
bicupulatus — 2 images
crispus — 1 image
epihydrus — 15 images
gramineus — 4 images
nodosus — 4 images
oakesianus — 13 images
pulcher — 2 images
sp. — 3 images

pectinata — 1 image

palustris — 15 images

glauca — 20 images
herbacea — 8 images
rotundifolia — 24 images

americanum — 22 images
erectum — 3 images
eurycarpum — 10 images

angustifolia — 12 images
latifolia — 16 images
sp. — 2 images

difformis — 10 images
torta — 19 images

campestre — 1 image
negundo — 6 images
negundo var. violaceum — 18 images
palmatum — 3 images
pensylvanicum — 17 images
platanoides — 15 images
pseudoplatanus — 11 images
rubrum — 57 images
saccharinum — 27 images
saccharum — 15 images
sp. — 3 images

cooperi — 17 images

blitoides — 4 images
blitum ssp. emarginatus — 9 images
hybridus — 2 images

gracilis — 15 images

copallina — 20 images
glabra — 10 images
typhina — 19 images
vernix — 19 images

radicans — 35 images

podagraria — 11 images

cynapium — 5 images

lucida — 12 images

sylvestris — 5 images

bulbifera — 12 images
maculata — 10 images

carota — 3 images

maximum — 31 images

americana — 11 images
umbellata — 4 images

scothicum — 4 images

sativa — 8 images

marilandica — 3 images

suave — 10 images

aurea — 5 images

androsaemifolium — 14 images
cannabinum — 7 images

minor — 9 images

crenata — 5 images
glabra — 20 images
opaca — 29 images
verticillata — 27 images

mucronatus — 35 images

elata — 17 images
hispida — 19 images
nudicaulis — 17 images

pentaphyllus — 4 images

helix — 6 images

septemlobus — 11 images

trifolius — 13 images

canadense — 7 images

amplexicaulis — 9 images
exaltata — 6 images
incarnata ssp. pulchra — 23 images
quadrifolia — 3 images
syriaca — 23 images
tuberosa — 15 images

louiseae — 15 images
rossicum — 10 images

millefolium — 9 images

altissima — 10 images

artemisiifolia — 14 images
psilostachya — 2 images

neglecta — 6 images
neodioica — 10 images
plantaginifolia — 9 images

lappa — 8 images
minus — 7 images

campestris ssp. caudata — 19 images
stelleriana — 16 images
vulgaris — 11 images

acuminatus — 13 images
cordifolius — 9 images
divaricatus — 10 images
dumosus — 14 images
ericoides — 13 images
laevis — 9 images
lanceolatus — 6 images
lateriflorus — 5 images
macrophyllus — 16 images
novae-angliae — 18 images
novi-belgii — 29 images
patens — 12 images
pilosus — 31 images
pilosus var. pringlei — 8 images
puniceus — 6 images
racemosus — 6 images
spectabilis — 34 images
subulatus — 10 images
tenuifolius — 18 images
tradescantii — 4 images
umbellatus — 7 images
undulatus — 10 images

halimifolia — 12 images

cernua — 4 images
connata — 8 images
coronata — 10 images
discoidea — 8 images
frondosa — 13 images

jacea — 12 images
stoebe ssp. micranthos — 47 images

intybus — 7 images

arvense — 7 images
pumilum — 11 images
vulgare — 23 images

canadensis — 26 images

lanceolata — 6 images
rosea — 33 images

sp. — 1 image

pardalianches — 6 images

hieracifolius — 23 images
hieracifolius var. megalocarpus — 1 image

annuus — 7 images
philadelphicus — 4 images
strigosus — 7 images

dubium — 20 images
fistulosum — 14 images
hyssopifolium — 13 images
leucolepis var. novae-angliae — 8 images
perfoliatum — 26 images
pilosum — 25 images
purpureum — 7 images
rotundifolium var. ovatum — 3 images

graminifolia — 7 images
tenuifolia — 16 images

x grandiflora — 1 image

parviflora — 2 images
quadriradiata — 8 images

obtusifolium — 15 images
uliginosum — 5 images

flexuosum — 6 images

annuus — 3 images
divaricatus — 15 images
tuberosus — 3 images

aurantiacum — 2 images
flagellare — 6 images
gronovii — 16 images
paniculatum — 15 images
pilosella — 5 images
piloselloides — 3 images
pratense — 12 images
sabaudum — 11 images
scabrum — 10 images
venosum — 4 images

radicata — 36 images

linariifolia — 24 images

frutescens ssp. oraria — 20 images

virginica — 26 images

biennis — 9 images
canadensis — 18 images
serriola — 21 images

communis — 10 images

autumnalis — 3 images

vulgare — 5 images

scariosa var. novae-angliae — 19 images

discoidea — 3 images

scandens — 16 images

hybridus — 1 image

falcata — 27 images

odorata var. succulenta — 7 images

altissima — 9 images
trifoliolata — 16 images

hirta var. pulcherrima — 8 images

aureus — 11 images
obovatus — 7 images
vulgaris — 5 images

asteroides — 12 images
linifolius — 13 images

altissima — 7 images
arguta — 3 images
bicolor — 15 images
caesia — 5 images
canadensis — 6 images
flexicaulis — 5 images
gigantea — 12 images
juncea — 9 images
latissimifolia — 10 images
nemoralis — 13 images
odora — 17 images
puberula — 11 images
rugosa — 12 images
rugosa ssp. aspera — 10 images
sempervirens — 31 images
speciosa — 1 image
uliginosa — 5 images

arvensis — 10 images
asper — 1 image
oleraceus — 7 images

vulgare — 14 images

laevigatum — 4 images
officinale — 6 images

pratensis — 5 images

farfara — 27 images

fasciculata — 7 images

echinatum — 14 images
strumarium — 1 image

capensis — 12 images

thunbergii — 16 images
vulgaris — 15 images

thalictroides — 4 images

glutinosa — 3 images
rugosa — 36 images
serrulata — 27 images

alleghaniensis — 27 images
lenta — 15 images
nigra — 24 images
papyrifera — 25 images
papyrifera x populifolia — 4 images
pendula — 7 images
pendula x populifolia — 4 images
populifolia — 24 images

caroliniana — 16 images

americana — 22 images
cornuta — 16 images

virginiana — 21 images

radicans — 6 images

bignonioides — 5 images

creticum — 8 images
vulgare — 3 images

laxa — 5 images
stricta — 4 images

petiolata — 11 images

thaliana — 18 images

canadensis — 10 images
glabra — 14 images

stricta — 3 images
vulgaris — 23 images

incana — 5 images

edentula — 12 images

bursa-pastoris — 11 images

bulbosa — 7 images
diphylla — 6 images
flexuosa — 34 images
hirsuta — 30 images
parviflora var. arenicola — 11 images
pensylvanica — 5 images
pratensis — 14 images

verna — 18 images

cheiranthoides — 4 images
x marshalli — 4 images

matronalis — 12 images

campestre — 7 images
densiflorum — 1 image
latifolium — 8 images
ruderale — 3 images
virginicum — 17 images

annua — 11 images

paniculata — 1 image

raphanistrum — 17 images

nasturtium-aquaticum — 8 images
palustris — 17 images

altissimum — 4 images
loeselii — 5 images

nudicaulis — 26 images

arvense — 15 images

davidii — 19 images

terminalis — 4 images

schreberi — 24 images

caroliniana — 33 images

heterophylla — 9 images
stagnalis — 30 images

rapunculoides — 3 images

montana — 15 images

cardinalis — 18 images
dortmanna — 13 images
inflata — 17 images
siphilitica — 2 images

perfoliata — 4 images

lupulus — 4 images

lonicera — 13 images

japonica — 18 images
maackii — 18 images
morrowii — 25 images
sempervirens — 8 images
x bella — 13 images

canadensis — 17 images
racemosa ssp. pubens — 3 images

acerifolium — 15 images
dentatum var. lucidum — 10 images
dilatatum — 14 images
lantana — 8 images
lantanoides — 12 images
lentago — 18 images
nudum — 4 images
nudum var. cassinoides — 28 images
opulus — 4 images

arvense — 2 images
vulgatum — 13 images

armeria — 4 images

umbellatum — 16 images

peploides ssp. robusta — 20 images

chalcedonica — 10 images
flos-cuculi — 6 images

lateriflora — 6 images

procumbens — 9 images

officinalis — 6 images

annuus — 6 images

antirrhina — 7 images
dioica — 3 images
latifolia ssp. alba — 18 images
vulgaris — 6 images

arvensis — 22 images

rubra — 10 images
salina — 8 images

graminea — 7 images
media — 17 images

orbiculata — 62 images
scandens — 8 images

alata — 16 images
europaea — 10 images
fortunei — 7 images
sachalinensis — 9 images
sieboldiana — 7 images

japonicum — 1 image

cristata — 10 images
glabriuscula — 12 images
prostrata — 23 images

album — 17 images
ambrosioides — 13 images
berlandieri var. macrocalycium — 26 images
glaucum — 3 images
rubrum — 14 images
simplex — 7 images

scoparia — 11 images

bigelovii — 7 images
maritima — 24 images
virginica — 26 images

kali — 26 images

linearis — 12 images
maritima — 25 images

bicknellii — 20 images
canadense — 34 images
propinquum — 18 images

ericoides — 30 images
tomentosa — 16 images

intermedia — 20 images
maritima — 63 images
minor — 12 images
mucronata — 45 images
pulchella var. pulchella — 3 images
tenuifolia — 17 images

alnifolia — 31 images

boreale f. callitrichoides — 7 images
canadense — 12 images
ellipticum — 16 images
gentianoides — 19 images
perforatum — 9 images
punctatum — 12 images
sp. — 3 images

virginicum — 13 images

sepium — 8 images

alternifolia — 14 images
amomum — 15 images
canadensis — 8 images
florida — 26 images
racemosa — 8 images
rugosa — 6 images
sericea — 4 images

sedoides — 7 images

acre — 10 images

lobata — 6 images

angulatus — 4 images

gronovii — 16 images

fullonum — 4 images

filiformis — 26 images
intermedia — 14 images
rotundifolia — 24 images

angustifolia — 4 images
umbellata — 27 images

conradii — 38 images

polifolia var. glaucophylla — 3 images

uva-ursi — 23 images

vulgaris — 16 images

calyculata — 18 images

repens — 32 images

hispidula — 2 images
procumbens — 21 images

baccata — 26 images
dumosa var. bigelowiana — 4 images
frondosa — 19 images

angustifolia — 23 images
latifolia — 26 images
polifolia — 2 images

fontanesiana — 5 images
racemosa — 21 images

ligustrina — 36 images

japonica — 5 images

canadense — 10 images
maximum — 27 images
prinophyllum — 7 images
sp. — 5 images
viscosum — 16 images

angustifolium — 14 images
corymbosum — 44 images
fuscatum — 7 images
macrocarpon — 33 images
myrtilloides — 3 images
pallidum — 29 images
stamineum — 6 images

rhomboidea — 7 images

cyparissias — 10 images
maculata — 14 images
polygonifolia — 15 images

fruticosa — 8 images

bracteata — 7 images

americana — 8 images

tinctoria — 10 images

fasciculata — 9 images
nictitans — 8 images

kentukea — 1 image

arborescens — 3 images

varia — 2 images

scoparius — 6 images

canadense — 14 images
ciliare — 9 images
glutinosum — 5 images
marilandicum — 10 images
nudiflorum — 5 images
paniculatum — 6 images
perplexum — 3 images
rotundifolium — 7 images
x humifusum — 3 images

tinctoria — 2 images

japonicus var. maritimus — 10 images
latifolius — 2 images
sylvestris — 2 images

angustifolia — 9 images
capitata — 11 images
cuneata — 15 images
frutescens — 4 images
hirta — 8 images
stuevei — 4 images
thunbergii ssp. formosa — 25 images
violacea — 12 images
virginica — 8 images

corniculatus — 4 images

perennis — 11 images
polyphyllus — 6 images

lupulina — 5 images
sativa — 3 images

albus — 7 images

vulgaris — 5 images

montana var. lobata — 12 images

hispida — 9 images
pseudoacacia — 22 images

helvola — 7 images

japonicum — 3 images

virginiana — 12 images

villosa — 3 images

agrarium — 8 images
arvense — 8 images
hybridum — 4 images
pratense — 5 images
repens — 10 images

cracca — 13 images
hirsuta — 3 images
sativa ssp. nigra — 5 images
tetrasperma — 6 images

sinensis — 6 images

dentata — 45 images

grandifolia — 32 images
sylvatica — 6 images

alba — 48 images
bicolor — 47 images
coccinea — 27 images
ilicifolia — 53 images
marilandica — 1 image
muehlenbergii — 1 image
palustris — 11 images
prinoides — 42 images
prinus — 22 images
robur — 11 images
rubra — 40 images
sp. — 3 images
sp1. cf. alba — 4 images
sp2. cf. alba x prinoides — 2 images
stellata — 9 images
velutina — 29 images
x saulii — 14 images

sempervirens — 18 images

cucullaria — 7 images

officinalis — 5 images

paniculata — 6 images
virginica — 14 images

pulchellum — 4 images

crinita — 5 images

campanulata — 7 images
kennedyana — 40 images

maculatum — 7 images
robertianum — 12 images
thunbergii — 11 images

americanum — 4 images
hirtellum — 9 images
rubrum — 2 images

heterophyllum — 12 images
humile — 25 images

palustris — 16 images
pectinata — 3 images

virginiana — 28 images

hippocastanum — 3 images

alba — 19 images
cordiformis — 22 images
glabra — 23 images
ovalis — 8 images
ovata — 20 images

cinerea — 10 images
nigra — 9 images

reptans — 4 images

vulgare — 1 image

bifida — 5 images

hederacea — 8 images

officinalis — 2 images

amplexicaule — 5 images
purpureum — 9 images

cardiaca — 4 images

americanus — 10 images
amplectens — 13 images
europaeus — 1 image
uniflorus — 40 images
virginicus — 10 images

officinalis — 15 images

canadensis — 6 images
sp. — 4 images
x piperita — 4 images
x villosa — 3 images

cataria — 1 image

vulgaris ssp. lanceolata — 1 image
vulgaris ssp. vulgaris — 7 images

incanum — 4 images
muticum — 15 images
tenuifolium — 12 images

galericulata — 5 images
lateriflora — 11 images

hyssopifolia — 15 images
palustris — 13 images

canadense — 9 images

dichotomum — 22 images

quinata — 13 images

benzoin — 32 images

albidum — 47 images

cornuta — 27 images
geminiscapa — 7 images
gibba — 2 images
inflata — 15 images
intermedia — 6 images
purpurea — 17 images
radiata — 18 images
resupinata — 19 images
subulata — 13 images
vulgaris — 10 images

usitatissimum — 8 images
virginianum — 5 images

verticillatus — 25 images

salicaria — 15 images
virgatum — 5 images

tulipifera — 13 images

virginiana — 13 images

theophrasti — 2 images

moscheutos — 11 images

moschata — 4 images
neglecta — 5 images

virginica — 28 images

trifoliata — 7 images

cordata — 15 images

verticillata — 13 images

hypopitys — 20 images
uniflora — 14 images

alba — 7 images

peregrina — 20 images

gale — 19 images
pensylvanica — 23 images

nyctaginea — 7 images

variegata — 17 images

odorata — 19 images

sylvatica — 62 images

distichum — 1 image

americana — 31 images
nigra — 20 images
pennsylvanica — 19 images

obtusifolium — 14 images
ovalifolium — 2 images

luteniana ssp. canadensis — 9 images

angustifolium — 4 images
ciliatum — 14 images
coloratum — 3 images
leptophyllum — 2 images

palustris — 19 images
sphaerocarpa — 7 images

biennis — 25 images

americana — 9 images

virginiana — 12 images

corniculata — 9 images
stricta — 11 images

majus — 3 images

canadensis — 18 images

americana — 15 images

aristata — 12 images
lanceolata — 7 images
major — 8 images
maritima var. juncoides — 13 images

occidentalis — 24 images

carolinianum — 20 images

cruciata — 18 images
nuttallii — 10 images
paucifolia — 6 images
polygama — 13 images
sanguinea — 5 images
verticillata — 9 images

articulata — 27 images

amphibium var. emersum — 15 images
arifolium — 11 images
aviculare — 12 images
careyi — 21 images
cespitosum var. longisetum — 15 images
convolvulus — 1 image
cristatum — 10 images
cuspidatum — 19 images
cuspidatum var. compactum — 5 images
glaucum — 10 images
hydropiperoides — 12 images
lapathifolium — 2 images
pensylvanicum — 20 images
perfoliatum — 27 images
persicaria — 20 images
polystachyum — 13 images
punctatum — 19 images
puritanorum — 6 images
robustius — 7 images
sagittatum — 15 images
scandens — 18 images
tenue — 12 images
virginianum — 7 images
x bohemicum — 13 images

acetosella — 13 images
crispus — 15 images
obtusifolius — 23 images
orbiculatus — 12 images
pallidus — 4 images
salicifolius — 4 images

caroliniana — 4 images

oleracea — 10 images

arvensis — 6 images

maritima — 5 images

inflata — 7 images

ciliata — 3 images
clethroides — 1 image
hybrida — 11 images
nummularia — 4 images
quadrifolia — 12 images
terrestris — 13 images
thyrsiflora — 9 images

borealis — 7 images

maculata — 11 images
umbellata ssp. cisatlantica — 6 images

americana — 22 images
chlorantha — 4 images
elliptica — 10 images
sp. — 5 images

pachypoda — 12 images

canadensis — 2 images
quinquefolia — 19 images
virginiana — 1 image

canadensis — 19 images
vulgaris — 3 images

palustris — 10 images

terniflora — 4 images
virginiana — 11 images

trifolia ssp. groenlandica — 13 images

nobilis var. acuta — 2 images
nobilis var. obtusa — 17 images

abortivus — 5 images
acris — 4 images
allegheniensis — 5 images
bulbosus — 12 images
ficaria — 7 images
flabellaris — 4 images
recurvatus — 19 images
repens — 9 images

dioicum — 14 images
pubescens — 17 images
revolutum — 10 images

americanus — 12 images

cathartica — 14 images
frangula — 23 images

gryposepala — 5 images

arborea — 16 images
canadensis — 34 images
cf. laevis — 33 images
laevis — 4 images
nantucketensis — 9 images
spicata — 33 images

melanocarpa — 25 images
mitschurinii — 3 images
x prunifolia — 19 images

palustre — 10 images

divaricatus — 3 images

submollis — 2 images

indica — 9 images

vesca — 3 images
virginiana — 7 images
x ananasa — 3 images

canadense — 12 images
laciniatum — 13 images

baccata — 7 images
floribunda — 5 images
pumila — 3 images
sieboldii — 9 images

argentea — 6 images
arguta — 6 images
canadensis — 12 images
egedii ssp. groenlandica — 8 images
fruticosa ssp. floribunda — 5 images
norvegica — 9 images
recta — 10 images
simplex — 5 images

avium — 7 images
depressa — 7 images
mahaleb — 3 images
maritima — 35 images
pensylvanica — 29 images
persica — 15 images
serotina — 48 images
susquehanae — 23 images
virginiana — 24 images

communis — 2 images

scandens — 13 images

carolina — 6 images
multiflora — 18 images
nitida — 9 images
palustris — 21 images
rugosa — 24 images
virginiana — 24 images

allegheniensis — 18 images
flagellaris — 11 images
hispidus — 25 images
idaeus ssp. strigosus — 10 images
laciniatus — 13 images
occidentalis — 12 images
odoratus — 10 images
pubescens — 4 images
setosus — 5 images
sp. — 3 images

minor ssp. muricata — 4 images

tridentata — 2 images

alnifolia — 1 image
aucuparia — 5 images

alba var. latifolia — 11 images
japonica — 7 images
thunbergii — 7 images
tomentosa — 12 images

occidentalis — 15 images

teres — 12 images

aparine — 6 images
asprellum — 4 images
brevipes — 4 images
circaezans — 9 images
lanceolatum — 7 images
mollugo — 17 images
obtusum — 4 images
odoratum — 3 images
palustre — 4 images
pilosum — 14 images
tinctorium — 21 images
triflorum — 8 images

caerulea — 25 images

repens — 12 images

amurense — 21 images
chinense — 2 images
sachalinense — 18 images

trifoliata — 3 images

americanum — 13 images

alba — 7 images
balsamifera — 5 images
deltoides — 14 images
grandidentata — 29 images
heterophylla — 4 images
nigra — 13 images
tremuloides — 29 images
x jackii — 1 image

aegyptiaca — 15 images
alba — 6 images
atrocinerea — 93 images
atrocinerea and cinerea — 15 images
atrocinerea x bebbiana ? — 13 images
atrocinerea x humilis ? — 12 images
babylonica hybrids — 6 images
bebbiana — 27 images
candida — 18 images
cinerea — 34 images
discolor — 51 images
eriocephala — 51 images
euxina — 17 images
humilis — 60 images
lucida — 15 images
nigra — 38 images
pedicellaris — 24 images
petiolaris — 33 images
purpurea — 4 images
sericea — 17 images
serissima — 11 images
sp. (hybrid) — 7 images
tristis — 51 images
x conifera — 9 images
x fragilis — 13 images
x jesupii — 18 images
x meyeriana — 27 images
x smithiana — 3 images

umbellata — 19 images

purpurea — 15 images

americanum — 15 images

diphylla — 1 image

pensylvanica — 11 images

cordifolia — 11 images

maritima — 11 images
paupercula — 4 images
purpurea — 20 images
tenuifolia — 4 images

pedicularia — 25 images
virginica — 6 images

glabra — 7 images

aurea — 29 images
neglecta — 7 images

vulgaris — 7 images

dubia — 11 images

lineare — 8 images

ringens — 10 images

canadensis — 22 images

canadensis — 3 images

nodosa — 8 images

blattaria — 6 images
thapsus — 20 images

arvensis — 13 images
chamaedrys — 2 images
hederifolia — 4 images
officinalis — 8 images
peregrina — 3 images
serpyllifolia — 1 image

altissima — 37 images

stramonium — 5 images

alkekengi — 5 images

carolinense — 8 images
dulcamara — 11 images
nigrum — 4 images
ptycanthum — 8 images

carolina — 5 images

paniculata — 2 images

palustris — 5 images

americana — 18 images
x vulgaris — 2 images

natans — 4 images

occidentalis — 24 images
sp. — 3 images

americana — 19 images
glabra — 3 images
procera — 2 images
pumila L. — 7 images

cylindrica — 8 images

pumila — 12 images

dioica ssp. dioica — 10 images

hastata — 18 images
urticifolia — 10 images

blanda — 6 images
brittoniana — 7 images
canadensis — 4 images
conspersa — 11 images
cucullata — 7 images
incognita — 3 images
lanceolata — 25 images
macloskeyi ssp. pallens — 5 images
palmata var. triloba — 12 images
pedata — 26 images
pubescens — 4 images
rostrata — 5 images
sagittata — 28 images
sororia — 26 images
tricolor — 2 images
x primulifolia — 7 images

brevipedunculata — 8 images

quinquefolia — 27 images
tricuspidata — 7 images

aestivalis — 8 images
labrusca — 22 images
riparia — 1 image