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Noteworthy Plants Reported from the Torrey Range— 2009 and 20101 Eric E

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Noteworthy Plants Reported from the Torrey Range— 2009 and 20101 Eric E Journal of the Torrey Botanical Society 138(4), 2011, pp. 472–484 Noteworthy plants reported from the Torrey Range— 2009 and 20101 Eric E. Lamont2 Torrey Botanical Society, Local Flora and Vegetation Committee, The New York Botanical Garden, Bronx, NY 10458 Steven D. Glenn3 Brooklyn Botanic Garden, 1000 Washington Avenue, Brooklyn, NY 11225 Stephen M. Young4 New York Natural Heritage Program, 625 Broadway, Albany, NY 12233 LAMONT, E. E. (Torrey Botanical Society, Local Flora and Vegetation Committee, The New York Botanical Garden, Bronx, NY 10458), S. D. GLENN (Brooklyn Botanic Garden, 1000 Washington Avenue, Brooklyn, NY 11225), AND S. M. YOUNG (New York Natural Heritage Program, 625 Broadway, Albany, NY 12233). Noteworthy plants reported from the Torrey Range—2009 and 2010. J. Torrey Bot. Soc. 138: 472–484. 2011.—Twenty-four noteworthy species of vascular plants are reported from the Torrey Range, encompassing southeastern New York, northern New Jersey, and southwestern Connecticut: Acalypha australis, Carex arctata, Carex typhina, Corallorhiza trifida, Corydalis incisa, Cyperus polystachyos var. texensis, Cypripedium parviflorum var. makasin, Dryopteris celsa, Froelichia floridana, Galium boreale, Houstonia pusilla, Isotria medeoloides, Juglans ailantifolia, Juncus brachycarpus, Kyllinga pumila, Nymphoides peltata, Oldenlandia uniflora, Phlox divaricata, Platanthera pallida, Pycnanthemum verticillatum, Ranunculus pusillus, Schoenoplectus mucronatus, Stylophorum diphyllum, and Trichostema setaceum. Key words: floristics, invasive plants, northward range extensions, rare plants, Torrey Range. The Torrey Range has been long known as examples such as Eclipta prostrata, Eupatorium a region that supports plant species of both serotinum, Gamochaeta purpurea, and Hetero- southern and northern affinities. Taylor (1915) theca subaxillaris (Lamont and Young 2002, discussed this topic and concluded that approx- 2005, 2006; Lamont and Glenn 2009); in this imately 13% of the Torrey Range flora, at the paper we discuss three more species: Froelichia time, consisted of ‘‘southern species reaching floridana, Houstonia pusilla, and Kyllinga their northern distribution point’’ and approx- pumila. Other investigators also have noted imately 8% were ‘‘plants found exclusively this northern migration of southern species, north of the moraine.’’ During the past twelve including Greller et al. (2011). years, the Torrey Botanical Society has been A second change we have observed is a documenting changes in the Torrey Range general decline in occurrences of northern flora, based on extensive field studies and col- species in the Torrey Range, but many nor- lections, and four general trends have emerged. thern and circumboreal species still persist in One change is an increase in the number of small isolated colonies. For example, popula- southern species migrating into the region. Pre- tions of Ligusticum scothicum have become vious papers in this Torrey series have included increasingly rare on eastern Long Island, New York (Lamont and Fitzgerald 2001); but, as presented in this paper, other northern spe- 1 This report is the eighth in a continuing series of floristic studies produced by the Local Flora cies still persist, including Corallorhiza trifida, Committee of the Torrey Botanical Society. The Cypripedium parviflorum var. makasin, and Torrey Range comprises the region within a 50-mile Galium boreale. radius of Columbus Circle, New York City, but We continue to document the occurrence includes all of Long Island, New York. For details on the past and present boundaries of the Torrey of many rare plant species within the Torrey Range, including counties, see Lamont and Fitzger- Range. These finds are especially noteworthy ald (2001). considering that the metropolitan New York 2 Corresponding author: 717 Sound Shore Road, City region is one of the most populated areas Riverhead, NY 11901; E-mail: elamont@optonline. on earth and many natural ecosystems have net 3 E-mail: [email protected] been destroyed or negatively impacted by 4 E-mail: [email protected] human activity. In this paper we report on 472 2011] LAMONT ET AL.: NOTEWORTHY PLANTS 473 eleven rare plant species that have been Natural Heritage Program), Richard Stalter located after years of not being observed. (St. John’s University), and Mark Szutarski The most noteworthy is Isotria medeoloides (Torrey Botanical Society). from Orange County, New York, a species Discussion of noteworthy plants reported confirmed from only six previous localities from the Torrey Range—2009 and 2010 in the state and not observed in more than 30 years. A collection of Carex arctata from Acalypha australis L. Putnam County, New York, represents only Asian Copperleaf the second documented report of this species Euphorbiaceae, the Spurge Family from the Torrey Range, the first was from This species is a recent introduction to North 1895. And a 2009 collection of Dryopteris celsa America where it was first collected in 1989 represents the first time this species has been from Kings and Queens counties, New York documented from Staten Island in 102 years. (Delendick 1990). Since then it has been col- Finally, we report on the accelerated intro- lected from four boroughs of New York City; duction and establishment of non-native spe- Nassau County, Long Island; and adjacent cies in the Torrey Range. In previous papers northeastern New Jersey (Lamont 2010). we reported on some recently established In 2009, Michael Feder reported A. australis invasive species, including Cardamine impa- as ‘‘very common, now approaching abun- tiens, Hydrilla verticillata, Lepidium latifolium, dant’’ throughout western-most Long Island, Myriophyllum spicatum, Phellodendron amur- especially in Kings and Queens counties. It ense, Polygonum perfoliatum, Pueraria lobata, frequently occurs on roadsides, vacant lots, Thlaspi alliaceum, and Trapa natans (Lamont gardens, and even lawns; sometimes in very and Fitzgerald 2001; Lamont and Young large populations consisting of hundreds, 2002, 2004, 2006; Lamont and Glenn 2009). maybe thousands of individuals. Feder has In this paper, we discuss the status of five observed it growing with Acalypha rhomboidea more introductions to the Torrey Range: Raf., with no evidence of hybridization. In Acalypha australis, Corydalis incisa (new to 20 years, A. australis has become fully estab- the flora of North America), Juglans ailanti- lished in the Torrey Range. folia, Nymphoides peltata, and Schoenoplectus mucronatus. Carex arctata W. Boott Nomenclature follows Weldy and Werier Drooping Woodland Sedge (2011), ranges of distribution and nativity Cyperaceae, the Sedge Family status follows Gleason and Cronquist (1991) In 2009, Steven Glenn collected C. arctata unless otherwise stated, and herbarium abbre- from Putnam County, New York (Glenn viations follow Holmgren et al. (1990). 11986, BKL). This collection represents only Throughout this report, we have endeav- the second documented report of this species ored to give credit to individuals who reported from the Torrey Range. The first collection, their findings to us and provided expertise on in 1895, was from Bridgeport, Connecticut specific species. We are especially grateful to (Eames 965, CONN). This northern sedge Daniel Atha (New York Botanical Garden), usually occurs in forests from northeastern David Austin (Torrey Botanical Society), United States to the Great Lakes region and Martin Bennett (Brooklyn Botanic Garden), adjacent Canada (Waterway 2002). In New Dennis Briede (Ridge and Valley Conservan- York, C. arctata is common ‘‘in the northern cy), Robert Canace (Ridge and Valley Conser- and cooler parts’’ (Weldy and Werier 2011). vancy), Michael Feder (Long Island Botanical AfewunvoucheredreportsofC. arctata from Society), Andrew Greller (Queens College, the Torrey Range have been published during CUNY), Garrett Herth (Long Island Botanical the past 125 years. Britton (1889) reported it Society), Robert McGrath (Long Island Bo- from Bergen and Essex counties, New Jersey, tanical Society), Wayne Morris (independent but it was not listed earlier by Willis (1874) or botanist), Robert Naczi (New York Botanical later again by Britton (1901) for New Jersey. Garden), Tom Nelson (Native Orchid Confer- Taylor (1915) doubted its occurrence in Bergen ence), Larry Penny (Long Island Botanical and Essex counties as did Hough (1983). This Society), Eleanor ‘‘Sam’’ Saulys (Native Or- sedge is currently listed as a state rare plant in chid Conference), Charles Sheviak (New York New Jersey (Snyder 2010), but no specimens State Museum), Kimberly Smith (New York have been seen to confirm its presence. 474 JOURNAL OF THE TORREY BOTANICAL SOCIETY [VOL. 138 Carex arctata also has been historically considered rare in New Jersey (Britton 1889, reported from the periphery of the Torrey Snyder 2010), where it is restricted to the Range, including Litchfield County, Connecti- northern counties, with an unverified report cut (Graves et al. 1910, Taylor 1915, Seymour from Burlington County (Hough 1983). In 1969, Magee and Ahles 2007); Dutchess, Fairfield County, Connecticut, it had been Sullivan, and Ulster counties, New York known during the 1920s and 1930s from a (Taylor 1915, Weldy and Werier 2011); and single locality near Danbury (Eames s.n., Bucks, Pike, Monroe, and Wayne counties, CONN). In New York, C. trifida was previ- Pennsylvania (Bailey 1886; Porter 1903; Wherry ously known only as far south as Dutchess and et al. 1979; Botany Department, Morris
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