| Giant Orchid - March 1 | False spider orchid - March 23 | Long-spurred Orchid - March 23 | Black spider orchid - March 24 | Yellow Bee-orchid - March 24 | Dark Bee Orchid - April 26
 | Early Spider Orchid - April 26
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| Green-winged Orchid - April 26 | Lesser Butterfly Orchid - April 28
 | Narrow-Leaved Helleborine - April 28 | Pink Butterfly Orchid - April 28
 | Scarce Tongue-orchid - April 28
 | Tongue Orchid - April 28
 | Woodcock Orchid - April 28
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| Bertoloni's Bee Orchid - May 2 | Four-spotted Orchid - May 2 | Long-lipped Tongue Orchid - May 2 | Man Orchid - May 2 | Milky Orchid - May 2 | Small-flowered Yellow Bee Orchid - May 2 | Sparse-flowered Orchid - May 2 | 
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| Burnt Orchid - May 6 | Lady Orchid - May 6 | Military Orchid - May 6 | Twayblade - May 8 | Bird's-nest Orchid - May 9 | Greater Butterfly-Orchid - May 9
 | Monkey Orchid - May 9 | 
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| Early Purple Orchid - May 14 | Broad-Leaved Marsh Orchid - May 15 | Pale-flowered Orchid - May 15 | Late Spider Orchid - May 16 | Serapias nurrica - May 17
 | Lizard Orchid - May 20 | Fly Orchid - May 21 | 
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| White Helleborine - May 23
 | Pyramidal Orchid - May 29
 | Common Spotted Orchid - May 31 | Dark Red Helleborine - May 31 | Fragrant Orchid - May 31
 | Violet Limodore - May 31
 | Southern Marsh Orchid - June 1 | 
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| Yellow Lady's Slipper (Europe) - June 3 | Bee Orchid - June 4 | Elder-flowered Orchid - June 4
 | Pink Lady's Slipper - June 5  | Yellow Lady's Slipper - June 5  | Early Marsh-orchid - June 10 | Red Helleborine - June 14
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| Short-spurred Fragrant Orchid - June 14 | Summer Burnt Orchid - June 14
 | Frog Orchid - June 18 | Grass-pink Orchid - June 20  | Rose Pogonia - June 20  | Narrow-leaved Marsh Orchid - June 23 | Round-headed Orchid - June 23 | 
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| Vanilla Orchid - June 30 | Marsh Helleborine - July 1 | Small White Orchid - July 10 | Broad-Leaved Helleborine - July 13 | Creeping Lady's-tresses - July 13
 | Purple Fringed Orchid - August 15  | Nodding Ladies Tresses - August 24  | 
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| Autumn Lady's-tresses - September 3 | Fall Coral Root - September 13
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