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Oenothera biennis
Biannual evening primrose


Sporobolus heterolepis
Drop seed


Phalaris arundinacea
Reed canary grass


Equisetum hyemale
Rough horsetail


Populus deltoides
Eastern cottonwood


Asimina triloba
Pawpaw tree


Silene regia
Royal catchfly


Liatris pycnostachya
Prairie blazing star


Yucca glauca
Soap weed


Liatris spicata
Dense blazing star


Amorpha canescens
Lead plant


Schedonorus arundinaceus
Tall fescue


Setaria faberi
Giant foxtail


Bromus inermis
Smooth Brome


Sorghum halepense
Johnson grass


Dactylis glomerata
Orchard grass


Phleum pratense
Timothy grass


Echinochloa crus-galli
Barnyard grass


Bromus tectorum
Cheat grass


Sanicula odorata
Cluster sanicle


Hylodesmum glutinosum
Pointed tick trefoil


Osmorhiza longistylis
Aniseroot


Sanicula canadensis
Black snakeroot


Galium concinnum
Shiny bedstraw


Rubus allegheniensis
Common blackberry


Ageratina altissima
White snakeroot


Spiranthes ovalis
Oval ladies tresses

Platanthera
Genus: Prairie fringed orchid
Spiranthes
Genus: Ladies tresses orchids
Calopogon
Genus: Grass pink orchids
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How many species of prairie orchids are in Missouri?
Mycorrhizal association
Orchids interact with fungi underground in order to germinate
Habitat
Prairie orchids are losing their ____
Perennials
Prairie orchids are ____
Droughts
_____ effects prairie orchids
Prairie fringed orchids
Threatened; flower mid June; Starts as leaf; hawk moths pollinate
Grass pink orchids
May-early June; bees fall backwards to pollinate
Ladies tresses orchids
Blooms earlier (fall); bumble bees pollinate