I thought I'd try to start a series of threads regarding native orchids. Hope others will join in with their images.
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_acaule01.jpg)
This is the Pink Ladyslipper, Cypripedium acaule, which normally occurs (at least here in Michigan) in dry pine woods.
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_acaule02.jpg)
This is also a Pink Ladyslipper, but is a very rare occurrence - an 'albino' form. This plant continues to come up every year (that I have checked) so I'm not sure where it gets it's nutrients from (no chlorophyll).
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_calceolus01.jpg)
Cypripedium calceolus, Yellow Ladyslipper
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_calceolus_parviflorum01.jpg)
Cypripedium calceolus parviflorum, Small Yellow Ladyslipper. This one is restricted to wet cedar swamps and calcarious soils of Michigan's Upper Penninsula.
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_calceolus_parviflorum02.jpg)
Small Yellow Ladyslipper
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_reginae01.jpg)
Showy Ladyslipper, Cyp. reginae
![](http://www.orchidboard.com/community/gallery/data/540/Cyp_reginae02.jpg)
Showy Ladyslipper, Cyp. reginae