Montana Field Guide

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Orchids

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- Kingdom - Plants - Plantae
  - Division - Angiosperms (Flowering Plants) - Anthophyta
    - Class - Monocots - Monocotyledoneae
      - Order - Orchids - Orchidales
        
        Family - Orchids - Orchidaceae
        
        Species
        
        Alaska Rein Orchid
        Piperia unalascensis
        
        Other Names: Habenaria unalascensis
        
        Broad-leaved Twayblade
        Listera convallarioides
        
        Other Names: Neottia convallarioides
        
        Clustered Lady's-slipper
        Cypripedium fasciculatum
        
        Other Names:
        Species of Concern
        
        Dense-flower Rein Orchid
        Piperia elongata
        
        Other Names: Habenaria elegans var. elata, Piperia elegans var. elata
        Status Under Review
        
        Early Coralroot
        Corallorhiza trifida
        
        Other Names:
        
        Eastern Helleborine
        Epipactis helleborine
        
        Other Names:
        Exotic Species (not native to Montana)
        Information on this Species is incomplete...
        
        Fairy Slipper
        Calypso bulbosa
        
        Other Names:
        
        Fairy Slipper
        Calypso bulbosa var. americana
        
        Other Names:
        Information on this Species is incomplete...
        
        Fairy Slipper
        Calypso bulbosa var. occidentalis
        
        Other Names:
        Information on this Species is incomplete...
        
        Giant Helleborine
        Epipactis gigantea
        
        Other Names:
        Species of Concern
        
        Giant Rattlesnake-plantain
        Goodyera oblongifolia
        
        Other Names:
        
        Heartleaf Twayblade
        Listera cordata
        
        Other Names: Neottia cordata
        
        Hillside Rein Orchid
        Piperia elegans
        
        Other Names: Habenaria elegans
        Status Under Review
        
        Hooded Lady's-tresses
        Spiranthes romanzoffiana
        
        Other Names:
        
        Huron Green Orchid
        Platanthera huronensis
        
        Other Names: Platanthera hyperborea var. huronensis, Habenaria hyperborea var. huronensis
        Status Under Review
        Information on this Species is incomplete...
        
        Hybrid Lady's-slipper
        Cypripedium x columbianum
        
        Other Names:
        Information on this Species is incomplete...
        
        Loesel's Twayblade
        Liparis loeselii
        
        Other Names:
        Species of Concern
        
        Long-bract Green Orchis
        Coeloglossum viride
        
        Other Names: Habenaria viridis, Dactylorhiza viridis
        
        Merten's Coralroot
        Corallorhiza mertensiana
        
        Other Names:
        
        Mountain Lady's-slipper
        Cypripedium montanum
        
        Other Names:
        
        Northern Green Orchid
        Platanthera aquilonis
        
        Other Names: Platanthera hyperborea [misapplied], Habenaria hyperborea [misapplied]
        
        Northern Rattlesnake-plantain
        Goodyera repens
        
        Other Names:
        Species of Concern
        
        Northern Twayblade
        Listera borealis
        
        Other Names: Neottia borealis
        
        Round-leaved Orchis
        Amerorchis rotundifolia
        
        Other Names: Orchis rotundifolia
        Species of Concern
        
        Roundleaf Orchid
        Platanthera orbiculata
        
        Other Names: Habenaria orbiculata
        
        Slender Bog Orchid
        Platanthera stricta
        
        Other Names: Habenaria saccata, Habenaria stricta, Limnorchis saccata, Platanthera saccata
        
        Small Northern Bog Orchid
        Platanthera obtusata
        
        Other Names: Habenaria obtusata
        
        Small Yellow Lady's-slipper
        Cypripedium parviflorum
        
        Other Names: Cypripedium calceolus
        Potential Species of Concern
        
        Sparrow's-egg Lady's-slipper
        Cypripedium passerinum
        
        Other Names:
        Species of Concern
        
        Spotted Coralroot
        Corallorhiza maculata
        
        Other Names:
        
        Spotted Coralroot
        Corallorhiza maculata var. occidentalis
        
        Other Names:
        Information on this Species is incomplete...
        
        Spotted Coralroot
        Corallorhiza maculata var. maculata
        
        Other Names:
        Information on this Species is incomplete...
        
        Spring Coralroot
        Corallorhiza wisteriana
        
        Other Names:
        
        Striped Coralroot
        Corallorhiza striata
        
        Other Names:
        
        Ute Lady's-tresses
        Spiranthes diluvialis
        
        Other Names:
        Species of Concern
        
        Western Twayblade
        Listera caurina
        
        Other Names: Listera banksiana, Neottia banksiana
        
        White Bog Orchid
        Platanthera dilatata
        
        Other Names: Habenaria dilatata

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