Simplify the following text for a Grade 12 native English-speaking person.
Original: The Showy Lady 's - slipper ( Cypripedium reginae ) , also known as the Pink-and-white Lady 's - slipper or the Queen 's Lady 's - slipper , is a rare terrestrial temperate lady 's - slipper orchid native to northern North America .
Simplified: The Showy Lady 's - slipper ( Cypripedium reginae ) , also known as the Pink-and-white Lady 's - slipper or the Queen 's Lady 's - slipper , is a rare temperate lady 's - slipper orchid native to northern North America .