Part 7 - UNC Herbarium

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POACEAE 837 17 Pedicels of the pedicelled (reduced or absent) spikelets terete or slightly flattened and grooved on one side only....................................................................................................... Andropogon 17 Pedicels of the pedicelled (reduced or absent) spikelets strongly flattened and grooved on both sides, the central portion thin or membranous ........................................................Bothriochloa References: Tucker (1996)=Z. Aegilops Linnaeus 1753 (Goat Grass) 1 Spikelets cylindric; glumes with 4 awns; rachis disarticulating at maturity..........................................................Ae. cylindrica 1 Spikelets nearly ovate; glumes with 1 awn; rachis not disarticulating at maturity.................................................. Ae. neglecta * Aegilops cylindrica Host, Jointed Goat Grass. Mt, Pd (VA): disturbed areas; uncommon, introduced from s. Europe. [= C, F, G, HC, K, Z] * Aegilops neglecta Req. ex Bertoloni, Small Goat Grass. Cp (VA): disturbed areas; rare, introduced from s. Europe. Reported from Arlington County, VA. [= Z; Ae. ovata Linnaeus – C, G, HC, apparently misapplied; Ae. geniculata Roth – K, apparently misapplied] * Aegilops triuncialis Linnaeus. {MD} [= K] {not keyed at this time; synonymy incomplete} Agropyron Gaertner 1770 (see Elymus, Elytrigia, Pascopyrum) Agrostis Linnaeus 1753 (Bentgrass) (also see Lachnagrostis and Polypogon) A genus of about 220 species, primarily temperate. References: Tucker (1996)=Z. 1 Palea 1/2-3/4 as long as the lemma, 0.6-1.2 mm long; plants introduced, often (though not always) in disturbed habitats; plants flowering (collectively) June-October; [subgenus Agrostis]. 2 Ligule mostly 0.5-2 mm long, truncate; panicle branches naked towards the base, diffuse when in fruit, the spikelets well-separated ..................................................................................................................................................A. capillaris 2 Ligule mostly 2.5-6 mm long, acute, rounded, or truncate; panicle branches (some of them) with spikelets to near the base, the spikelets usually agglomerated. 3 Leaves 3-8 mm wide; inflorescence triangular-ovoid, the branches widely spreading at maturity, usually reddish; plant with rhizomes, without stolons.........................................................................................................A. gigantea 3 Leaves mostly 1-3 mm wide; inflorescence narrowly ovoid, the branches ascending at maturity, usually tan; plant without rhizomes, with or without stolons. 4 Stolons well developed; leaves mostly < 5 cm long................................................A. stolonifera var. palustris 4 Stolons poorly developed or absent; leaves mostly > 7 cm long......................... A. stolonifera var. stolonifera 1 Palea < 2/5 as long as the lemma, 0-0.5 mm long; plants native, typically in more or less natural habitats; plants flowering (collectively) March-November; [subgenus Vilfa]. 5 Lemma usually awned (sometimes unawned), the awn inserted near the apex, 4-10 mm long, straight, very delicate and flexuous; annual, flowering April-June.......................................................................................................... A. elliottiana 5 Lemma awned or not, the awn (when present) inserted either near the middle of the lemma or near the apex, 0-6 mm long, straight or bent, neither delicate nor flexuous; perennial, flowering (collectively) March-November. 6 Lemma with a 3-6 mm long, geniculate awn inserted near the middle; [of high elevation rock outcrops] ................. .................................................................................................................................................................A. mertensii 6 Lemma awnless or with a 0-3 mm long, straight awn inserted near the tip; [of various habitats]. 7 Spikelets 1.2-2 mm long; anthers 0.3-0.6 mm long; plants flowering March-July........................... A. hyemalis 7 Spikelets (1.8-) 2.2-3.5 (-3.7) mm long; anthers (collectively) 0.3-1.2 mm long; plants flowering June- November. 8 Leaves mostly involute, 1-2 (-3) mm wide; panicle branches mostly forking well beyond the middle....... .....................................................................................................................................................A. scabra 8 Leaves flat, 2-6 mm wide; panicle branches mostly forking at or below the middle. 9 Lemma 1.8-3 mm long, minutely but copiously scabrous (at 20× or more); anthers 0.7-1.2 mm long; spikelets (2.3-) 2.7-3.5 (-3.7) mm long, usually clustered near the tips of the branchlets; panicle branches scabrous; culms to 15 dm tall; [of wet savannas and other wet habitats of the Coastal Plain] ................................................................................................................... A. altissima 9 Lemma 1.4-2 mm long, glabrous; anthers 0.3-0.6 mm long; spikelets (1.8-) 2.2-2.7 (-3.2) mm long, usually not clustered near the tips of the branchlets; panicle branches glabrous to scabrous; culms to 10 dm tall; [of various habitats, nearly throughout our area]..........................................A. perennans
POACEAE 838 Agrostis altissima (Walter) Tuckerman, Coastal Bog Bentgrass. Cp (GA, NC, SC, VA), Mt (VA): wet savannas, sinkhole ponds, edges of swamp forests; rare (NC Watch List, VA Watch List). October-November. MA (?) and NJ south to se. LA, primarily on the Coastal Plain. [= F, HC, Z; < A. perennans – RAB, FNA GW, K; = A. perennans var. elata (Pursh) A. Hitchcock – C, G, S] * Agrostis capillaris Linnaeus, Rhode Island Bentgrass, Colonial Bentgrass, Browntop. Mt (NC, SC, VA), Pd, Cp (VA): meadows, roadsides, disturbed areas; uncommon, introduced from Europe (and possibly n. North America). June-August. [= C, FNA, K, Z; = A. tenuis Sibthorp – RAB, G, HC, S, W; > A. tenuis var. tenuis – F] Agrostis elliottiana J.A. Schultes, Elliott's Bentgrass, Southern Bentgrass. Pd, Cp (GA, NC, SC, VA), Mt (GA, NC, SC): dry soils of barrens, fields, and rock outcrops; uncommon (VA Watch List). April-June. MD west to s. OH, and e. KS, south to panhandle FL and c. TX. [= RAB, C, F, FNA, G, HC, K, S, W, Z] * Agrostis gigantea Roth, Redtop, Black Bentgrass. June-October. Mt, Pd (GA), {provinces} (SC, VA). [= C, F, FNA, K, W, Z; < A. stolonifera – RAB, GW; = A. stolonifera Linnaeus var. major (Gaudin) Farwell – G; = A. alba – HC, misapplied; >< A. alba – S, misapplied] Agrostis hyemalis (Walter) Britton, Sterns, & Poggenburg, Ticklegrass, Small Bentgrass. Mt, Pd, Cp (GA, NC, SC, VA: roadsides, other disturbed habitats; common. March-July. [= F, FNA, K, Z; < A. hyemalis – RAB (also see A. scabra); = A. hyemalis var. hyemalis – C, G; = A. hiemalis – GW, HC, orthographic variant; < A. hiemalis – S, W, orthographic variant (also see A. scabra var. scabra] Agrostis mertensii Trinius, Arctic Bentgrass. Mt (NC, VA): in thin soil of high elevation rocky summits; rare (NC Rare). July-August. Circumboreal, in North America south to ME (Mt. Katahdin), NH (White Mountains), VT, NY (Adirondack Mountains), WV (Spruce Knob), TN (Roan Mountain, Mt. Leconte), NC (Roan Mountain, Big Yellow Mountain, Black Mountains), Québec, British Columbia, CO, UT (?), and AK. [= C, FNA, K, W, Z; > A. borealis Hartman – RAB, HC, S; > A. borealis Hartman var. americana (Scribner) Fernald – F, G] Agrostis perennans (Walter) Tuckerman, Upland Bent, Autumn Bentgrass. Mt, Pd, Cp (GA, NC, SC, VA): . August- October. [= HC, Z; < A. perennans – RAB, FNA, GW, K, W (also see A. altissima); = A. perennans var. perennans – C, G, S; > A. perennans var. perennans – F; > A. perennans var. aestivalis Vasey – F] Agrostis scabra Willdenow, Fly-away Grass, Rough Bentgrass. (GA, NC, SC, VA). (VA Watch List). June-November. [= FNA, GW, K, Z; < A. hyemalis – RAB, W; = A. hyemalis (Walter) Britton, Sterns, & Poggenburg var. scabra (Willdenow) Blomquist – C; > A. scabra var. scabra – F; = A. hyemalis (Walter) Britton, Sterns, & Poggenburg var. tenuis (Tuckerman) Gleason – G; = A. scabra var. scabra – HC] * Agrostis stolonifera Linnaeus var. palustris (Hudson) Farwell, Creeping Bentgrass. June-October. [= C; < A. stolonifera – RAB, FNA GW, W (also see A. gigantea); = A. alba Linnaeus var. palustris (Hudson) Persoon – F, misapplied; = A. stolonifera var. compacta Hartman – G; = A. palustris Hudson – HC, Z; < A. stolonifera – K; < A. alba – S, misapplied] * Agrostis stolonifera Linnaeus var. stolonifera. June-October. [= C, G; < A. stolonifera – RAB, FNA, GW, W (also see A. gigantea); = A. alba Linnaeus var. alba – F, misapplied; = A. stolonifera – HC, Z; < A. stolonifera – K; >< A. alba – S, misapplied] * Agrostis canina Linnaeus, Brown Bentgrass, Velvet Bentgrass, ranges south to DE, se. PA (Rhoads & Klein 1993), WV, and TN (Kartesz 1999). [= C, FNA, K] {not keyed at this time; synonymy incomplete} References: Tucker (1996)=Z. Aira Linnaeus (Hair Grass) 1 Panicle dense and spike-like, the branches short and appressed to ascending ...........................................................A. praecox 1 Panicle open, the branches elongate, diffusely spreading or ascending. 2 Lemma of both the lower floret and the upper floret with an awn 2-4 mm long........................................A. caryophyllea 2 Lemma of upper floret with an awn 1.5-2.5 mm long, lemma of the lower floret awnless or with a minute awn < 1 mm long ...........................................................................................................................................................A. elegantissima * Aira caryophyllea Linnaeus, Silver Hair Grass. Pd (GA, NC, SC, VA), Cp (GA, NC, VA), Mt (NC): fields, roadsides, disturbed areas; uncommon, introduced from Europe. May. [= RAB, C, G, HC, K, Z; = Aspris caryophyllea (Linnaeus) Nash – S] * Aira elegantissima Schur, Elegant Hair Grass. Pd, Cp (GA, NC, SC, VA), Mt (GA, SC): fields, roadsides, disturbed areas; common, introduced from Europe. May-June. [= C, Z; ? A. elegans Willdenow ex Kunth – RAB, G, HC, K; = Aspris capillaris (Host) A.S. Hitchcock – S] * Aira praecox Linnaeus, Early Hair Grass. Cp (NC, VA): fields, roadsides, disturbed areas; uncommon, introduced from Europe. Reported for NC by Burk (1961), and recently collected in the NC Sandhills (B.Sorrie, pers.comm. 2004). [= C, G, HC, K, Z] Alopecurus Linnaeus (Foxtail Grass)
Page 1: ORCHIDACEAE 836 Zeuxine Lindley 182
Page 5 and 6: POACEAE 840 A genus of about 100-11
Page 7 and 8: POACEAE 842 9 Inflorescence units w
Page 9 and 10: POACEAE 844 Andropogon glomeratus (
Page 11 and 12: POACEAE 846 .......................
Page 13 and 14: POACEAE 848 Aristida tenuispica A.S
Page 15 and 16: POACEAE 850 1 Spikelets 1.5-2.8 mm
Page 17 and 18: POACEAE 852 * Briza maxima Linnaeus
Page 19 and 20: POACEAE 854 * Bromus tectorum Linna
Page 21 and 22: POACEAE 856 2 Spines in multiple wh
Page 23 and 24: POACEAE 858 1 Spikelets (3.5-) 4-6
Page 25 and 26: POACEAE 860 Danthonia Augustin de C
Page 27 and 28: POACEAE 862 sheaths. Nodes with sho
Page 29 and 30: POACEAE 864 4 Second glume and ster
Page 33 and 34: POACEAE 868 3 Basal leaves similar
Page 37 and 38: POACEAE 872 Dichanthelium commutatu
Page 39 and 40: POACEAE 874 F, G, HC; > P. villosis
Page 41 and 42: POACEAE 876 dichotomum (Linnaeus) G
Page 43 and 44: POACEAE 878 Distichlis Rafinesque (
Page 45 and 46: POACEAE 880 6 Spikelets appressed;
Page 47 and 48: POACEAE 882 Eragrostis Wolf 1776 (L
Page 49 and 50: POACEAE 884 * Eragrostis curvula (S
Page 51 and 52: POACEAE 886 3 Spikes 5-10 cm long;
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POACEAE 888 considered as a species
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POACEAE 890 * Hordeum murinum Linna
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POACEAE 892 Reported (as L. fascicu
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POACEAE 894 1950), "rarely introduc
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POACEAE 896 flexuous, and fragile,
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POACEAE 898 2 Leaves primarily basa
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POACEAE 900 per node, loosely flowe
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POACEAE 902 ex Nees ssp. rigidulum
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POACEAE 904 25 Panicles with 1-15 b
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POACEAE 906 Paspalum praecox Walter
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POACEAE 908 *? Phalaris arundinacea
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POACEAE 910 * Phyllostachys nigra (
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POACEAE 912 species withers and dis
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POACEAE 914 FL and LA. References:
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POACEAE 916 Schizachyrium littorale
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POACEAE 918 Sorghastrum elliottii (
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POACEAE 920 Sphenopholis pensylvani
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POACEAE 922 shelves in the fall-lin
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POACEAE 924 Tridens Roemer & J.A. S
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POACEAE 926 * Urochloa platyphylla
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PONTEDERIACEAE 928 A genus of 7-8 s
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POTAMOGETONACEAE 930 2 Submersed le
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POTAMOGETONACEAE 932 Fernald - F; >
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RUSCACEAE 934 * Danae racemosa (Lin
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RUSCACEAE 936 Scheuchzeria palustri
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SMILACACEAE 938 Smilax laurifolia L
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TOFIELDIACEAE 940 A genus of ca. 4
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TRILLIACEAE 942 2 Stamens at most 1
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TRILLIACEAE 944 Trillium pusillum M
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TYPHACEAE 946 1 Staminate and pisti
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XYRIDACEAE 948 17 Leaf and scape su
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ZANNICHELLIACEAE 950 broadened shea
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BIBLIOGRAPHY 952 Anderson, L.E., an
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BIBLIOGRAPHY 954 Beckmann, R.L., Jr
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BIBLIOGRAPHY 956 ---. 2005. Report
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BIBLIOGRAPHY 958 ---. 1878. An enum
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BIBLIOGRAPHY 960 ---, G.L. Nesom, a
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BIBLIOGRAPHY 962 Dorn, R.D. 1984. V
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BIBLIOGRAPHY 964 ---, and J.F. Wend
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BIBLIOGRAPHY 966 Ganders, F.R., M.
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BIBLIOGRAPHY 968 Green, P.S. 1962.
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BIBLIOGRAPHY 970 ---, and J.R. Burk
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BIBLIOGRAPHY 972 ---. 1998. Native
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BIBLIOGRAPHY 974 Kiers, A.M., T.H.M
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BIBLIOGRAPHY 976 Kubitzki, K., J.G.
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BIBLIOGRAPHY 978 ---, and A. Täube
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BIBLIOGRAPHY 980 McClintock, E. 195
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BIBLIOGRAPHY 982 Mort, M.E., and D.
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BIBLIOGRAPHY 984 ---. 2001b. Taxono
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BIBLIOGRAPHY 986 Perry, J.E., D.M.E
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BIBLIOGRAPHY 988 Rayner, D.A., and
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BIBLIOGRAPHY 990 Rosendahl, C.O., F
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BIBLIOGRAPHY 992 ---. 2002. Podophy
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BIBLIOGRAPHY 994 Soltis, D.E. 1980.
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BIBLIOGRAPHY 996 Sundell, E., R.D.
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BIBLIOGRAPHY 998 Umber, R.E. 1979.
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BIBLIOGRAPHY 1000 Warners, D.P., an
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BIBLIOGRAPHY 1002 ---. 2002. The id
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BIBLIOGRAPHY 1004 Xiang, Q.-Y. (Jen
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BIBLIOGRAPHY 1006 INDEX of FAMILIES
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BIBLIOGRAPHY 1008 Chromolaena......
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BIBLIOGRAPHY 1010 Hainardia .......
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BIBLIOGRAPHY 1012 Nolina...........
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BIBLIOGRAPHY 1014 Sisyrinchium ....
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Part 7 - UNC Herbarium

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