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Ex. 4 - Plant Diversity
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Part I: Nonvascular Plants
Part II: Seedless Vascular Plants
Part III: Seed Plants -Gymnosperm
Part IV: Seed Plants - Angiosperm
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Ex. 4 - Plant Diversity
Part II:
Seedless Vascular Plants
Phylum Lycophyta—Club Mosses
&
their Relatives
Club Mosses
Huperzia squarossa
vegetative sporophyte stem
Huperzia squarossa
~10cm long
vegetative & reproductive
Huperzia phlegmarioides
vegetative
Huperzia phlegmarioides
~5cm
strobili
Huperzia phlegmarioides
~4cm
Spikemosses
vegetative
Selaginella kruseasna
vegetative stem
Selaginella kruseasna
~3cm
vegetative & reproductive strobili
Selaginella kruseasna
~3cm
Phylum Monilophyta—Horsetails, Ferns & Whisk Ferns
Horsetails
vegetative & reproductive stems
Equisetum sp.
~15cm
reproductive strobilus
Equisetum sp.
~4cm
Whisk Ferns
reproductive plant
Psilotum nudum
sporangium
Psilotum nudum
branch with sporagium
Psilotum nudum
mature sporophyte
Psilotum nudum
Ferns
fronds
Aglaomorpha sp.
rhizome
Phlebodium aureum
gametophyte
magnified
roots
~3cm
sori arrangment - example 1
Belvisia spicata
Belvisia spicata
~6cm
sori arrangment - example 2
tree fern frond
Cyathea cooperi
Giant Cyathea variety 'Brentwood'
Sori arrangment
Cyathea cooperi
sori on underside of leaf
Cyathea cooperi
magnified
example 3 - sori arranged on specialized reproductive 'antler' frond
Platycerium superbum
no indusium
Polypodium scouleri
Polypodium scouleri
true indusium
Cyrtomium falcatum
Cyrtomium falcatum
~4cm
false indusium
Adiantum capillus-veneris
Adiantum capillus-veneris
~5cm
fiddleheads
frond & rhizome with fiddlehead
Polypodium formosanum
rhizome with roots & fiddlehead
Polypodium formosanum
~5cm
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