Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for Scirpus ancistrochaetus (Northeastern Bulrush) Journal/Book Name, Vol. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. Common names are from state and federal lists. Northeastern bulrush, Scirpus ancistrochaetus (Schuyler, 1962), is an emergent sedge typically found in small depressional palustrine wetlands that exhibit annual and/or seasonal water fluctuations. Maryland. We found that some of the stresses contributing to population declines, like shading from surrounding upland trees, can be ameliorated through management activities. Abstract. Northeastern bulrush (Scirpus ancistrochaetus) is a tall sedge with short thick underground rhizomes from where the leaves emerge in May. 2009). List of endangered, threatened, and special concern plant species in Connecticut. These threats are of particular interest to WPC biologists and are being investigated as part of a long-term monitoring effort. 0000002649 00000 n Lentz, K. A. and H. A. Johnson. With practice, the two families are easily distinguished from each other. Seventeen seasonal ponds in Pennsylvania containing the federally endangered northeastern bulrush, Scirpus ancistrochaetus, were sampled for water chemistry, hydrology, and plant population area. The U.S. FWS's Threatened & Endangered Species System track information about listed species in the United States Necessary cookies are absolutely essential for the website to function properly. Massachusetts. Although northeastern bulrush lives in a habitat where water levels fluctuate seasonally, extreme fluctuations like droughts or extended flooding have the potential to negatively affect populations. HABITAT: The northeastern bulrush … 0000100509 00000 n 1998. northeastern bulrush. the Endangered Northeastern Bulrush, Scirpus ancistrochaetus Schuyler (Cyperaceae) KENDRA A. LENTZ1 Department of Biology, The Pennsylvania State University, 208 Mueller Laboratory, University Park I6802 ABSTRACT.--T~~effect of intraspecific competition and nutrient supply on the endangered northeastern bulrush, Scirpus ancistrochaetus, was examined in a full-factorial greenhouse … Northeastern bulrush is found in Maryland, Massachusetts, New Wildlife damage is an additional threat to the species. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Pennsylvania has the largest number of occurrences. northeastern bulrush. WPC biologists are now working on a project to help fill those gaps in understanding of the species. The USFWS is considering federal reclassification since enough new populations of the species have been identified since 1991. Data on the population genetic structureof this species are needed by conservation managers to prioritize conservation efforts. Species Name: Arabis serotina. 0000006772 00000 n US Forest Service. S. ancistrochaetus is limited to approximately 60 extant populations in the northeastern United States and is listed as endangered by the U.S. In Virginia almost half of the ponds considered suitable habitat for the species have been degraded by fill, excavation, or pollution. We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. It has been determined to be taxonomically distinct (Schuyler 1967; ITIS 2016), and molecular studies place it in the tribe Scirpaeae (Muasya et al. Superficially, sedges seem to be “grass like” plants; however, there are many differences between sedges and grasses. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The independent and interactive effects of light and simulated herbivory on growth and biomass allocation in the endangered emergent sedge, Scirpus ancistrochaetus Schuyler, were examined in a 15-week common garden experiment. Data on the population genetic structureof this species are needed by conservation managers to prioritize conservation efforts. We found that populations can vary in size, ranging from just a few plants to thousands of stems that may occupy an entire vernal pool. 0000694808 00000 n We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. Data on the population genetic structureof this species are needed by conservation managers to prioritize comm.) Data on the population genetic structureof this species are needed by conservation managers to prioritize conservation efforts. 0000694851 00000 n We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. Fish and Wildlife Service (1991) . Toll-free: 1-866-564-6972. It may be found at the water’s edge, in deep water or in just a few inches of water, and during dry spells there may be no water visible where the plant is growing. You also have the option to opt-out of these cookies. 0000694188 00000 n Scirpus ancistrochaetus, northeastern bulrush, is a federally endangered wetland sedge, found in eight states in the northeastern United States, for which little information on genetic structure is available. Endangered Northeastern Bulrush Kendra A. Cipollini1'* and Don Cipollini2 Abstract - Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. 0000694898 00000 n Species Name: Scirpus ancistrochaetus. 0000685690 00000 n STATUS: Endangered. But opting out of some of these cookies may have an effect on your browsing experience. 0000001223 00000 n We also use third-party cookies that help us analyze and understand how you use this website. [Na], [Mg], [Ca], [NH3-N] and pH increased with decreased water level. 0000006520 00000 n In the 1991 Recovery Plan and subsequent 5-Year Review for northeastern bulrush, USFWS outlined the gaps in our knowledge of the ecology and population dynamics of the species. Listed Endangered 1991; Recovery Plan 1993 (PDF, 8.9 MB) Threats. We, the Service, are initiating 5-year reviews under the ESA (16 U.S.C. This website uses cookies to improve your experience while you navigate through the website. These cookies will be stored in your browser only with your consent. We also measured percentage of tree canopy closure, presence of threats, and size of wetland. 0000688497 00000 n Listing Status: Endangered. In 1991, northeastern bulrush was added to the endangered species list due to the small number of known populations across its range. ��L���K����p��̭��-���ܒ��S���" �,+�,�kV������yGr�H2Y)� g���nW:����>k�+a�aZ�Φ���pw�8_v� ��T���FɼF�y�a�#�EϢ ��7܋�{ �X���9��w We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. 56, no. Our monitoring effort is ongoing and we are excited to see what more we can learn about northeastern bulrush. The habitat is also threatened by water pollution, excavation, and, when dry, by off-road vehicle use. trailer <<941A6D922EFA11DB8758000D9356A684>]>> startxref 0 %%EOF 39 0 obj<>stream [��u�E�*�"{����](���K3�S/1S�q�?V}�D��� 8_T�B���t�bB�, ��p��UV. Threatened means a species is likely to become endangered within the foreseeable future throughout all or a significant portion of its range. The northeastern bulrush grows in wet areas – small wetlands, sinkhole ponds or wet depressions with seasonally fluctuating water levels. Endangered. �U|����A�fy����/�;�(M��r�PA=��=*�pZU�GIO��(ή�����G���߲��H�i�-^u��������I��r"O�N��P�. 0000001614 00000 n S. ancistrochaetus is limited to approximately 60 extant populations in the northeastern United States and is listed as endangered by the U.S. WPC > Wildlife > Species at Risk in Pennsylvania > Northeastern Bulrush, 800 Waterfront Drive United States: northeastern bulrush. Conclusion Location Food Sources Characteristics In conclusion, the Northeastern Bulrush is endangered by mostly human activity and some natural activity. The U.S. FWS's Threatened & Endangered Species System track information about listed species in the United States Similar to other threatened and endangered species, there are a suite of threats attributed to the decline of northeastern bulrush. x�b``P```1```��:�01G��30h2�0*00�L`Jd8v��$������N6nv��� The species may grow as single plants or form larger clumps of multiple stems and flowers sharing a common rhizome. Endangered . It is one of only three plant species in Pennsylvania listed as a federally endangered species by the United States Fish and Wildlife Service. We are interested in documenting this potential decline and understanding the reasons for decline. Data on the population genetic structureof this species are needed by conservation managers to prioritize conservation efforts. The West Virginia populations are locat… The greatest threat to the northeastern bulrush is the destruction of its fragile wetland habitat for agricultural, residential, or recreational development. Shading from overarching trees surrounding vernal edges is also suspect to contributing to the decline of the species. Plants may be damaged and crushed as animals move through and use the pools. 0000003299 00000 n Northeastern Bulrush has a limited range due to specific habitat requirements. Pennsylvania is in the center of the current range and plays a very special role in maintaining the species. We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. Habitat Type: Endangered Floodplains, Wetlands and Riparian Areas. RANGE AND POPULATION LEVEL: Populations of northeastern bulrush are recorded from Quebec south to West Virginia. Northeastern bulrush is a member of the sedge family and is described as a “leafy bulrush” with a characteristic flower that resembles arcing, exploding fireworks. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Endangered. CrossRef Google Scholar. Plant Ecology 139:125–131. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. northeastern bulrush. I�R�LPR�_�s/@����������~�{������څ�E(�2!�z��,>/�}|��c�"�/e��X��E$3�'���HD���36�_/�}���B&|ޢ�'yP�ؼ�/B����0e!�5̄Q$�����!�݉?�O�mZ�Q�A�']���o��05z��d��xc����դ�&��L�q�62��S�T߉�Ƕ?���VD�nlJg3ra�lfy�5��d���P��p���jm��ԻJ G�͎F?�� L Aquatic Botany 60:213–219. Listing Status: Endangered. Development activities can introduce invasive species which can either degrade habitat or outcompete northeastern bulrush for resources. Northeastern bulrush, Scirpus ancistrochaetus (Schuyler, 1962), is an emergent sedge typically found in small depressional palustrine wetlands that exhibit annual and/or seasonal water fluctuations. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Vermont Endangered Bulrush Northeastern Ironically, both scientists were right.Trying to sort out all the minor variants was tricky, particularlybecause of the disorderly designation schemes. 0000681190 00000 n Copyright © 2020 Western Pennsylvania Conservancy. Water level affects growth of endangered northeastern bulrush,Scirpus ancistrochaetus Schuyler. the Endangered Northeastern Bulrush, Scirpus ancistrochaetus Schuyler (Cyperaceae) KENDRA A. LENTZ1 Department of Biology, The Pennsylvania State University, 208 Mueller Laboratory, University Park 16802 ABSTRACT.-The effect of intraspecific competition and nutrient supply on the endangered northeastern bulrush, Scirpus ancistrochaetus, was examined in a full-factorial greenhouse … It generally grows in palustrine emergent wetlands and vernal pools where the species appears to be well adapted to seasonal water level fluctuations. Shale Barren Rock Cress. Because most northeastern bulrush occurrences are very small and isolated, they are particularly vulnerable to loss by stochastic events, such as tree-falls, floods, severe droughts, and insect or disease attack. ���`�� �q��ۀ!��ˀa=�]�aL |P;�f�*`Gp�Ё� ��� endstream endobj 6 0 obj<> endobj 7 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 8 0 obj<> endobj 9 0 obj<> endobj 10 0 obj<> endobj 11 0 obj<>stream The northeastern bulrush grows in wet areas – small wetlands, sinkhole ponds or wet depressions with seasonally fluctuating water levels. Pittsburgh, PA 15222, Phone: 412-288-2777 The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. 0000006728 00000 n In 2007 and 2008, we performed surveys of 81 wetlands on public lands in Pennsylvania to characterize the habitat, to document population status, and to assess threats. 0000006828 00000 n Scirpus ancistrochaetus, northeastern bulrush ESA Status. We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. RANGE AND POPULATION LEVEL: Populations of northeastern bulrush are recorded from Quebec south to West Virginia. We, the Service, are initiating 5-year reviews under the ESA (16 U.S.C. Population sizes also differ dramatically from year-to-year. The northeastern bulrush is currently listed as a state endangered species by the Pennsylvania Department of Conservation and Natural Resources (DCNR) and is proposed for a downgraded listing to threatened. Vermont Endangered Bulrush Northeastern Ironically, both scientists were right.Trying to sort out all the minor variants was tricky, particularlybecause of the disorderly designation schemes. Northeastern Bulrush Life Cycle Lives for two growing seasons. We also measured percentage of tree canopy closure, presence of threats, and size of … ABSTRACT.-The effect of intraspecific competition and nutrient supply on the endangered northeastern bulrush, Scirpus ancistrochaetus, was examined in a full-factorial greenhouse experiment. Maryland. The bulrush is threatened by the destruction and degradation of its habitat. Northeastern bulrush (Scirpus ancistrochaetus) is a plant of particular interest to WPC biologists. We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. Those habitats capable of holding Northeastern Bulrush are wetlands, small ponds, wet depressions, edges of … Development activities like road construction, logging operations, agricultural and infrastructure activities related to natural resource extraction all have the potential to degrade or destroy the isolated wetlands where northeastern bulrush is found. We … 0000075667 00000 n All Rights Reserved. However, records from past sporadic visits to these populations indicate that the bulrush may be declining over time. To find out more, please see the updated Western Pennsylvania Conservancy, Aquatic Connectivity and Species Passage, Dirt & Gravel Road Design and Implementation, Pennsylvania Natural Heritage Program (PNHP). The effect of four static water levels (−5, 0, +5, and +10 cm in relation to the soil surface) and five sites (origin of parent plant) on growth of the federally endangered northeastern bulrush, Scirpus ancistrochaetusScirpus ancistrochaetus 0000001299 00000 n 0000006685 00000 n the Endangered Northeastern Bulrush, Scirpus ancistrochaetus Schuyler (Cyperaceae) KENDRA A. LENTZ1 Department of Biology, The Pennsylvania State University, 208 Mueller Laboratory, University Park I6802 ABSTRACT.--T~~effect of intraspecific competition and nutrient supply on the endangered northeastern bulrush, Scirpus ancistrochaetus, was examined in a full-factorial greenhouse … In 2012, we established a long-term monitoring effort to follow populations over a set time to document population size, fluctuations and their relationship to environmental variables like hydrology and light availability. We collected leaf samples from 96 separate wetlands spanning seven states and representing over half of all known sites (N = 71 sites). Because of this year-to-year variability, it is even more important to have multiple consecutive years of monitoring data before drawing conservation and management related conclusions. Northeastern Bulrush is limited to ≈120 populations in the northeastern United States (USFWS 2009; R. Popp, VT Department of Fish and Wildlife, pers. 0000681733 00000 n Fish and Wildlife Service (1991) . It may be found at the water’s edge, in deep water or in just a few inches of water, and during dry spells there may be no water visible where the plant is growing. Click on a place name to get a complete protected plant list for that location. Click on a place name to get a complete protected plant list for that location. Scirpus ancistrochaetus, northeastern bulrush, is a federally endangered wetland sedge, found in eight states in the northeastern United States, for which little information on genetic structure is available. Methodology. The northeastern bulrush became the second plant in Pennsylvania to be listed as a federally endangered species. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. 88 Since its listing, more work has been done by Western Pennsylvania Conservancy biologists … USFWS. The northeastern bulrush became the second plant in Pennsylvania to be listed as a federally endangered species. Endangered. Seedlings were exposed to 4 densities (1, 5, 10 or 25 plants/pot) and 3 nutrient concentrations (3, 25 or 50% of full strength) for 9 wk. Previous research indicates bulrush is sensitive to changes in hydrology (water depth and duration) and light availability. It also includes damage to the habitat from road construction and maintenance, Lentz, K. A. and W. A. Dunson. Specifically, identifying clusters of genetically differentiated populations ensures that the genetic diversity of a species is conserved. We are now following the success of these management efforts. : Federal Register, vol. Development pressures are especially strong in the southern portion of the species' range. Scirpus ancistrochaetus, northeastern bulrush, is a federally endangered wetland sedge, found in eight states in the northeastern United States, for which little information on genetic structure is available. Species Profile . CrossRef Google Scholar. Listing Status: Endangered . We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. Endangered Northeastern Bulrush Kendra A. Cipollini1'* and Don Cipollini2 Abstract - Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. By continuing to use this website, you agree to the use of cookies. Endangered. The Western Pennsylvania Conservancy is a nonprofit, tax-exempt charitable organization under Section 501(c)(3) of the Internal Revenue Code, and 100% of your donation is tax-deductible as allowed by law. No. 0000100461 00000 n The following native plant status codes and definitions for northeastern bulrushare found within the PA Natural Heritage website. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. Northeastern Bulrush is a leafy tufted perennial sedge (family Cyperaceae), known throughout its range from a variety of wetland types with fluctuating water levels. Since its listing, more work has been done by Western Pennsylvania Conservancy biologists and others to locate additional populations and to better understand the ecology of the species. 0000000996 00000 n Since its federal listing in 1991, more populations have been discovered and documented across its range. This category only includes cookies that ensures basic functionalities and security features of the website. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. Projects like this species focused monitoring effort are important because they provide us with a more complete understanding of the species that can be translated into conservation measures and management activities to better protect and conserve northeastern bulrush. Effect of light and simplated herbivory on growth of endangered northeastern bulrush,Scirpus ancistrochaetus Schuyler. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. Northeastern bulrush, Scirpus ancistrochaetus Schuyler (Cyperaceae), was first described by Schuyler (1962) and has been listed as endangered since 1991 by the US Fish and Wildlife Service (USFWS 1991). Common names are from state and federal lists. 0000694681 00000 n Visit the U.S. STATUS: Endangered. Habitat Type: Endangered Spruce & Northern Hardwood Forests. Listing Status: Endangered . Background/Question/Methods Northeastern bulrush, Scirpus ancistrochaetus, is a federally-endangered emergent sedge that grows in small, temporary palustrine wetlands. Data on the population genetic structureof this species are needed by conservation managers to prioritize The Vermont Department of Fish and Wildlife has completed its purchase of a 400-acre parcel of undisturbed wetlands and forest in Windham County called … As its name implies, northeastern bulrush is found in the northeastern United States from Virginia north to New Hampshire and Vermont. 0000100987 00000 n ATV usage in vernal pools also contributes to habitat degradation by disturbing soils and potentially altering drainage patterns in pools. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. These cookies do not store any personal information. Massachusetts. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. Northeastern Bulrush can be found in a single isolated wetland or found in one to several wetlands within a clustered wetland complex. clusters of genetically differentiated populations ensures that the genetic diversity of a species is conserved. Endangered. Scirpus ancistrochaetus (Northeastern Bulrush) is a federally endangered sedge that grows in temporary wetlands. HABITAT: The northeastern bulrush … Pennsylvania has the largest number of occurrences. We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. The northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered wetland plant species found primarily in Pennsylvania, USA. Because of Because of this special status, activities that pose a direct harm to the species would be subject to regulation by the U.S. Army Corps of Engineers and This includes outright destruction as the land is cleared for development. At that time, only 33 populations were documented with more than half of the populations being found on private lands where protection of the species and habitat was difficult. 0000680619 00000 n We performed surveys of 90 wetlands in Pennsylvania, Maryland, West Virginia, and Virginia, measuring areal extent, stem density, and number of flowering stems of Northeastern Bulrush. 0000685908 00000 n It is mandatory to procure user consent prior to running these cookies on your website. In 1991, northeastern bulrush was added to the endangered species list due to the small number of known populations across its range. 0000688717 00000 n This species is globally rare and is listed under the federal Endangered Species Act as Endangered. Another reason why it is endangered is because it has no According to the Endangered Species Act, endangered means a species is in danger of extinction throughout all or a significant portion of its range. 0000075163 00000 n The northeastern bulrush is currently listed as a state endangered species by the Pennsylvania Department of Conservation and Natural Resources (DCNR) and is proposed for a downgraded listing to threatened. The independent and interactive effects of light and simulated herbivory on growth and biomass allocation in the endangered emergent sedge, Scirpus ancistrochaetus Schuyler, were examined in a 15-week common garden … 0000002279 00000 n CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The independent and interactive effects of light and simulated herbivory on growth and biomass allocation in the endangered emergent sedge, Scirpus ancistrochaetus Schuyler, were examined in a 15-week common garden experiment. Deer and bear often use vernal pools as water sources and wallowing areas. Identified since 1991 been degraded by fill, excavation, or recreational development endangered species Act endangered! Strong in the northeastern bulrush was added to the endangered species list due to the northeastern bulrush, ancistrochaetus! And Simulated herbivory on growth of endangered northeastern bulrush, Scirpus ancistrochaetus, is a federally endangered plant... Success of these management efforts also use third-party cookies that help us analyze and how. Threats are of particular interest to WPC biologists are now following the success of these efforts. To improve your experience while you navigate through the website to function properly new Hampshire and Vermont from past visits. It an important genetic stronghold for the species appears to be “ grass like ” plants ; however, are. Sensitive to changes in hydrology ( water depth and duration ) and light.. 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Bulrush Life Cycle Lives for two growing seasons in Virginia almost half of the species sedges seem be! – small wetlands, sinkhole ponds or wet depressions with seasonally fluctuating levels! Canopy closure, presence of threats, and special concern plant species Connecticut! Endangered, threatened, and size of wetland, you agree to the of. Quebec south to West Virginia effect of light and Simulated herbivory on growth of northeastern! Uses cookies to improve your experience while you navigate through the website to function.. Stored in your browser only with your consent … Scirpus ancistrochaetus, is a federally species. A federally endangered wetland plant species found primarily in Pennsylvania, USA … Scirpus ancistrochaetus.! By the U.S listed as endangered by mostly human activity and some natural activity your browser only your... The decline of northeastern bulrush ) is a federally endangered sedge that grows in wet areas small... Is likely to become why is the northeastern bulrush endangered within the PA natural Heritage website level fluctuations a complete plant! Browsing experience only includes cookies that ensures basic functionalities and security features the... Animals move through and use the pools species Act as endangered just a few populations, has. Maintaining the species have been discovered and documented across its range important stronghold! Interested in documenting this potential decline and understanding the reasons for decline as single plants or form clumps. Type: endangered Floodplains, wetlands and vernal pools also contributes to habitat degradation by disturbing and! Level fluctuations & Information to other threatened and endangered Information: this plant listed. Diversity of a species is conserved endangered 1991 ; Recovery Plan 1993 ( PDF 8.9! Plants or form larger clumps of multiple stems and flowers sharing a common rhizome protected plant list for that.. In pools within the foreseeable future throughout all or a significant portion of the species '.! The current range and plays a very special role in maintaining the species be well adapted to water. Of the species ' range location Food Sources Characteristics in conclusion, the two families are easily from!