NNHP - What does NNHP stand for? The Free Dictionary
References in periodicals archive
Little botanical work had been done on the Navajo Nation prior to the NNHP compared to other regions of the United States.
The Marble Canyon sentry milkvetch was described in 1992 after being discovered by former NNHP botanist Bill Hevron.
The NNHP monitors several populations of Mesa Verde cactus in the Four Corners area.