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Deer's Hair Sedge Trichophorum cespitosum ssp. cespitosum |
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Family: Sedge Family (Cyperaceae)
State Protection: Threatened 
listed species are those with: 1) 6 to fewer than 20 extant sites, or 2) 1,000 to fewer than 3,000 individuals, or 3) restricted to not less than 4 or more than 7 U.S.G.S. 7 ? minute topographical maps, or 4) listed as threatened by U.S. Department of the Interior. Federal Protection: Not Listed State Rarity Rank: S2
A State Rarity Rank of S2 means: This plant is threatened/imperiled in New York because of rarity (typically 6-20 populations or few remaining individuals) or is vulnerable to extirpation from New York due to biological factors. Global Rarity Rank: G5
A Global Rarity Rank of G5 means: This species is demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Did you know? The species name cespitosum means tufted, and refers to the dense tussocks that this plant makes. This is the most common graminoid in New York's alpine ecosystem, and gives the meadows their distinctive "grassy" appearance. It turns a beautiful golden color in the fall. |
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| State Ranking Justification | [-] |
There are currently 20 known populations. There are also two populations which have not been seen in over twenty years, but additional survey work is needed to determine their status. All but one of the known extant populations occurs in the high peaks region of the Adirondacks. The other extant population is disjunct in a fen in western New York. Almost all of the populations in the Adirondacks are threatened by trampling by hiker traffic but many are quite large.
| Short-term Trends | [-] |
Trampling by hiker traffic is threatening at least some of the populations, but it is unclear if this impact is leading to a decline in the sizes of populations. Fourteen of the 20 known extant populations were first documented since 1988. It is unlikely that these represent new populations; rather they were probably overlooked in the past. Some populations are quite large, but overall, short-term trends are unclear.
| Long-term Trends | [-] |
Two populations from western New York are only known from historical records. The exact locations of these populations is not clear, but they are from towns that have had a lot of human impact. Further investigations and survey work are needed to determine the status of these populations. Fourteen of the 20 known extant populations were first documented since 1988. It is unlikely that these represent new populations; rather they were probably overlooked in the past. No populations are known to have become extirpated in the past 100+ years. Overall, long-term trends are unclear but do not indicate a rapid decline.
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Home | Advanced Search | About Us Animal Guides | Plant Guides | Community Guides © 2004-2012 New York Natural Heritage Program, a partnership between the New York State Department of Environmental Conservation and the State University of New York College of Environmental Science and Forestry Please cite this page as:
New York Natural Heritage Program. 2013. Online Conservation Guide for Trichophorum cespitosum ssp. cespitosum. Available from: http://www.acris.nynhp.org/guide.php?id=9592. Accessed May 25th, 2013. 
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