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Plant
habit
herbaceous
ferns & allies
grass-like
aquatic & OBL wetland species
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
reproductive mode
produces flowers, fruits, seeds
produces spores
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
blade division
all simple
deeply lobed or divided
some or all fully compound
Flower
flower type
bilateral/irregular symmetry
radial symmetry 4 petals
radial symmetry 5 petals
radial sym. 6 or more petals
petals indistinguishable
number of fertile stamens
3
4
5
6
7 or more
Fruit or Cone
mature fruit dehiscence
opening along 1-2 seams
opening along 3 to many seams
does not split open to release seed
Species Count: 20
Amphipleuraceae
Frustulia vulgaris
Apiaceae
Oenanthe sarmentosa
Torilis arvensis
Asteraceae
Artemisia ludoviciana
Aulacoseiraceae
Aulacoseira
Brassicaceae
Cardamine hirsuta
Nasturtium officinale
Equisetaceae
Equisetum arvense
Fabaceae
Trifolium wormskioldii
Juncaceae
Juncus effusus
Lamiaceae
Prunella vulgaris
Lophocoleaceae
Chiloscyphus polyanthos
Lythraceae
Lythrum portula
Marchantiaceae
Marchantia polymorpha
Melosiraceae
Melosira varians
Oscillatoriaceae
Oscillatoria
Phrymaceae
Mimulus
Rubiaceae
Galium
Violaceae
Viola glabella
Zygnemataceae
Mougeotia