Vascular Plants » Monocots » Orchidaceae:
Orchidaceae
12 genera
36 species
14 subspecies and varieties
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Index to genera:
Calypso, Cephalanthera, Corallorhiza, Cypripedium, Dactylorhiza, Epipactis, Goodyera, Liparis, Malaxis, Neottia, Platanthera, Spiranthes
Calypso bulbosa
Origin: Native
• var. americana
• var. occidentalis
Cephalanthera austiniae
Origin: Native
Corallorhiza maculata
Origin: Native
• var. maculata
• var. occidentalis
• var. ozettensis
Corallorhiza mertensiana
Origin: Native
Corallorhiza striata
Origin: Native
• var. striata
• var. vreelandii
Corallorhiza trifida
Origin: Native
Cypripedium ×columbianum
Origin: Native
Cypripedium fasciculatum
Origin: Native
Cypripedium montanum
Origin: Native
Cypripedium parviflorum
Origin: Native
• var. pubescens
Dactylorhiza viridis
Origin: Native
Epipactis gigantea
Origin: Native
Epipactis helleborine
Origin: Introduced from Eurasia
Goodyera oblongifolia
Origin: Native
Liparis loeselii
Origin: Native
Malaxis monophyllos
Origin: Native
• var. brachypoda
Neottia banksiana
Origin: Native
Neottia borealis
Origin: Native
Neottia convallarioides
Origin: Native
Neottia cordata
Origin: Native
Platanthera aquilonis
Origin: Native
Platanthera chorisiana
Origin: Native
Platanthera dilatata
Origin: Native
• var. albiflora
• var. dilatata
• var. leucostachys
Platanthera elegans
Distribution: Occurring on both sides of the Cascades crest in Washington;
Origin: Native
• ssp. elegans
Platanthera elongata
Origin: Native
Platanthera ephemerantha
Origin: Native
Platanthera huronensis
Origin: Native
Platanthera obtusata
Origin: Native
• ssp. obtusata
Platanthera orbiculata
Origin: Native
Platanthera sparsiflora
Origin: Native
Platanthera stricta
Origin: Native
Platanthera transversa
Origin: Native
Platanthera unalascensis
Origin: Native
Spiranthes diluvialis
Distribution: Occurring east of the Cascades in Washington;
Origin: Native
Spiranthes porrifolia
Origin: Native
Spiranthes romanzoffiana
Origin: Native
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