Question: How many types of shrubs can be found near Mount Rushmore?
About the article "Mount Rushmore", section "Ecology".

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The vegetation surrounding West Mount Barren is best described as scrub-heath with many types of shrubs that thrive in the quartzitic or lateritic sand, often in rocky situations.
The shrubs are mostly Proteaceae and Myrtaceae.
Several species are unique to the area and can be found on and around West Mount Barren.
Species include Royal Hakea ("Hakea victoria"), Qualup Bells ("Pimelea physodes"), Oval-leaf Adenanthos ("Adenanthos ellipticus"), Blue Dampiera ("Dampiera linearis"), Silver-leafed Barrens regalia ("Regelia velutina"), Barrens clawflower ("Calothamnus validus"), and the Broad-leaved Brown Pea ("Bossiaea ornata"). 
The flora and fauna of Mount Rushmore are similar to those of the rest of the Black Hills region of South Dakota.
Birds including the turkey vulture, bald eagle, hawk, and meadowlark fly around Mount Rushmore, occasionally making nesting spots in the ledges of the mountain.
Smaller birds, including songbirds, nuthatches, and woodpeckers, inhabit the surrounding pine forests.
Terrestrial mammals include the mouse, least chipmunk, red squirrel, skunk, porcupine, raccoon, beaver, badger, coyote, bighorn sheep, bobcat, elk, mule deer, yellow-bellied marmot, and American bison.
The striped chorus frog, western chorus frog, and northern leopard frog also inhabit the area.
In addition, several species of snakes inhabit the region.
Grizzly Bear Brook and Starling Basin Brook, the two streams in the memorial, support fish such as the longnose dace and the brook trout.
Mountain goats are not indigenous to the area but can also be found here.
They are descended from goats which were a gift from Canada to Custer State Park in 1924 but later escaped.
At lower elevations, coniferous trees, mainly the Ponderosa pine, surround most of the monument, providing shade from the sun.
Other trees include the bur oak, the Black Hills spruce, and the cottonwood.
Nine species of shrubs grow near Mount Rushmore.
There is also a wide variety of wildflowers, including especially the snapdragon, sunflower, and violet.
Towards higher elevations, plant life becomes sparser.
However, only approximately five percent of the plant species found in the Black Hills are indigenous to the region.
The area receives about of precipitation on average per year, enough to support abundant animal and plant life.
Trees and other plants help to control surface runoff.
Dikes, seeps, and springs help to dam up water that is flowing downhill, providing watering spots for animals.
In addition, stones like sandstone and limestone help to hold groundwater, creating aquifers.
Through the study of tree rings, it has been determined that forest fires have occurred in the Ponderosa forests surrounding Mount Rushmore around every 27 years based on evidence of fire scars found within tree core samples.
Large conflagrations are not common.
Most events have been ground fires that serve to clear forest debris.
The area is a climax community.
Recent pine beetle infestations have threatened the forest.
Horse Thief Lake is a lake in Pennington County, South Dakota.
It is approximately two miles northwest of Mount Rushmore, the closest lake to the monument.
It appears to be the lake seen north of Mount Rushmore in the 2007 Disney movie "" when the entrance to the secret golden city of Cibola is found.
However, the lake that is actually in the film is nearby Sylvan Lake, which is just five miles southwest of Mount Rushmore. 
Being an agricultural area most of the land is ploughed but still waste land can be found here specially near the river banks.
Different kind of trees, grasses and shrubs are found here. 
Dana is the most diverse area of plant life in the country, consisting of numerous vegetation types including: Phoenician Juniper, evergreen oak, sand dunes, acacia, and rocky sudanian.
Dana is the southernmost area in the world to host the Mediterranean Cypress, "Cupressus sempervirens".
Of the hundreds of plants species inhabiting Dana, three can be found nowhere else in the world.
Many plants, especially trees and shrubs, grow in the highlands of the nature reserve.