Sidalcea oregana" var. "calva, the Wenatchee Mountains checker-mallow, is a very rare flowering plant variety that occurs only in five locations in the Wenatchee Mountains of Chelan County, Washington, United States. The plant has been placed on the Endangered species list. It is the rarest known plant in Washington state.
Sidalcea oregana" var. "calva, the Wenatchee Mountains checker-mallow, is a very rare plant variety that occurs only in five locations in the Wenatchee Mountains of Chelan County, Washington, US. The plant is on the Endangered species list and is the rarest known plant in the state. OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes

Nabokov's Congeries was a collection of work by Vladimir Nabokov published in 1968 and reprinted in 1971 as "The Portable Nabokov". Because Nabokov supervised its production less than a decade before he died, it is useful in attempting to identify which works Nabokov considered to be his best, especially among his short stories.
Nabokov's Congresses were published in 1968. OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes

The Cincinnati and Whitewater Canal Tunnel is a historic yet abandoned canal tunnel in the southwestern corner of the U.S. state of Ohio. Located within the village of Cleves near Cincinnati, it was constructed in 1837 as part of the Whitewater Canal system. Since the canal's closure, it has largely been forgotten, but it has been designated a historic site.
Cincinnati is 5 miles from Cleves. OPTIONS:
- Yes
- It's impossible to say
- No
A:
It's impossible to say