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In certain countries, mahogany is considered an invasive species. Mahogany is wood from any of three tree species: Honduran or big-leaf mahogany (Swietenia macrophylla), West Indian or Cuban mahogany (Swietenia mahagoni), and Swietenia humilis. Honduran mahogany is the most widespread and the only genuine mahogany species commercially grown today.
Swietenia macrophylla, commonly known as mahogany, [3] Honduran mahogany, [3] Honduras mahogany, [4] or big-leaf mahogany [5] is a species of plant in the Meliaceae family. It is one of three species that yields genuine mahogany timber ( Swietenia ), the others being Swietenia mahagoni and Swietenia humilis .
The Catalina Island mountain mahogany is threatened by ungulates such as deer, and feral goats and pigs. [5] Introduced goats have been removed from the island. Introduced mule deer remain on Catalina Island and may threaten the survival of the species. [8] Fencing has been placed to prevent the remaining animals from touching the plants. [5]
Virginia round-leaf birch (Betula uber) Small-anthered bittercress (Cardamine micranthera) Smooth purple coneflower (Echinacea laevigata) Virginia sneezeweed (Helenium virginicum) Swamp pink (Helonias bullata) Peter's mountain mallow (Iliamna corei) Small whorled pogonia (Isotria medeoloides) Eastern prairie fringed orchid (Platanthera leucophaea)
Cercocarpus ledifolius is a large, densely branching tree which can reach heights of 11 metres (36 feet), although it is not uncommon to find the adult plant as a shrub as short as 1 m (3 + 1 ⁄ 2 ft).
The Kentucky coffee tree (Gymnocladus dioicus), also known as American coffee berry, Kentucky mahogany, nicker tree, and stump tree, [4] is a tree in the subfamily Caesalpinioideae of the legume family Fabaceae, native to the Midwest, Upper South, Appalachia, and small pockets of New York in the United States and Ontario in Canada.
In phytogeography, concerned with the geographic distribution of plant species, floristic provinces are used. The Sierra Nevada are primarily within the California Floristic Province, with the Rocky Mountain Floristic Province to the north, the Great Basin Floristic Province to the east, and Sonoran Floristic Province to the south.
Invasive species are often grouped by threat levels that vary from county to county from very high impact to remarkable increased growth. The species below are by no means comprehensive and are listed in type order rather than level of threat [ 1 ] [ 2 ] [ 3 ]