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424 ALISMATACEAE/ECHINODORUS 1. Plants � delicate, diminutive, to only 25 cm tall; blades of emersed leaves 0.2–0.6 cm wide, narrowly lanceolate to ovate; submersed leaves typically present, sessile; pistils 15–20 per flower; flowers ca. 3–6(–8) mm across ________________________________________________________ E. tenellus 1. Plants usually relatively larger, stout, to ca. 100 cm tall; blades of emersed leaves 0.5–20 cm wide, lanceolate to elliptic to ovate; submersed leaves typically absent (petiolate when present); pistils 45–250 per flower; flowers 6–25 mm across. 2. Inflorescences erect when young but later arching and becoming prostrate, rooting at nodes and sometimes vegetatively proliferating to form plantlets; veins of sepals usually with papillose or roughened ridges; stamens usually 20–22; flowers 10–25 mm across ______________ E. cordifolius 2. Inflorescences rigidly erect at maturity, not proliferating; veins of sepals smooth (note that tissue between veins can have granulations); stamens usually 9–15; flowers 6–11 mm across _____________________________________________________________________________ E. berteroi Echinodorus berteroi (Spreng.) Fassett, (for C.G.L. Bertero, 1789–1831, Italian physician who botanized in West Indies), BURHEAD, ERECT BURHEAD, UPRIGHT BURHEAD. Coarse annual or short-lived perennial with scapes to 80 cm tall; rhizomes present; leaves mostly emersed, variable, those of mature plants with blades broadly ovate, 2.6–18 cm long, 0.5–20 cm wide, subcordate to truncate or broadly cuneate at base; secretory tissue visible as pellucid (= clearish, somewhat transparent) line-like markings conspicuous in dried leaves when backlit with strong light; petioles 5–6 ridged or, on large leaves, terete; inflorescences racemose or sometimes branched and paniculate, 1.5–40 cm long, rigidly erect at maturity, not producing plantlets at tips, with flowers in 1–9 whorls of 1–3(–4) flowers each; flowers 6–14 mm across; sepal veins not papillose; petals clawed, the claw to ca. 0.5 mm long; stamens (9–)12(–15); anthers versatile (= filament attached near middle of anther); pistils 45–200; achenes 0.9–3.2 mm long. Mud and shallow water, clay soils; widespread in TX; throughout much of the U.S. from OH s to FL w to CA. May–Oct. [E. berteroi var. lanceolatus (Engelm. ex S. Watson & J.M. Coult.) Fassett, E. rostratus (Nutt.) Engelm. ex A. Gray, E. rostratus var. lanceolatus Engelm. ex S. Watson & J.M. Coult.] Echinodorus cordifolius (L.) Griseb. var. cordifolius, (with heart-shaped leaves), CREEPING BURHEAD. Stout perennial to ca. 1.2 m tall; rhizomes absent or to 6 cm long; leaves emersed; leaf blades ovate to elliptic, 6.5–18(–32) cm long, 2.5–15(–19.1) cm wide; secretory tissue visible as pellucid line-like markings (in dried leaves when backlit); petioles terete to triangular; inflorescences racemose, to 60+ cm long, erect when young but later arching and becoming prostrate and rooting at nodes, often producing plantlets at tips (proliferating), with flowers in 3–9 whorls of 3–15 flowers each; flowers 10–25 mm across; sepals with papillate veins; petals not clawed; stamens ca. 20–22; anthers versatile; pistils 200–250; achenes ca. 2–3.5 mm long. Mud and shallow water, clay soils; widespread in e 1/2 of TX; e U.S. from VA s to FL w to IA and TX. Apr–Nov. Following Haynes and Holm-Nielsen (1994) and Jones et al. (1997), Diggs et al. (1999) treated the TX material of this taxon as E. cordifolius subsp. fluitans (Fassett) R.R. Haynes & Holm-Niels. However, based on further study, we are now following Haynes and Hellquist (2000a) who treated all North American material of the species as var. cordifolius. [E. radicans (Nutt.) Engelm.] This is the only species in the genus with arching to prostrate inflorescences, and also the only species with papillose veins on the sepals (Haynes & Hellquist 2000a). m/285 Echinodorus tenellus (Martius) Buchenau (tender, delicate), DWARF BURHEAD, LANCE-LEAF BURHEAD. Slender stoloniferous annual to 20(–25) cm tall; rhizomes absent; submersed sessile leaves typically present; emersed leaves petiolate; blades of emersed leaves linear, 1–6(–7.4) cm long, 0.2–0.6 mm wide, without pellucid line-like markings; inflorescences usually umbellate, rarely racemose, to 6 cm long, erect, not producing plantlets at tips (not proliferating), of 1–2 whorls of 4–6 flowers each; flowers ca. 3–6(–8) mm across; sepal veins not papillose; petals clawed, the claw ca. 1 mm long; stamens usually 9; anthers basifixed (= filament attached at anther base); pistils 15–20; achenes 0.8–1.5 mm long. Stream or lake margins, sandy soils; Houston Co.
Yucca rupicola [LYN] Yucca treculeana [PES, SA2] ILLUSTRATED FLORA OF EAST TEXAS 425 Yucca torreyi [VIN] Alisma subcordatum [BB2] Echinodorus berteroi [BEA] Echinodorus cordifolius [FLN]
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KEYS TO THE VASCULAR PLANTS 309 KEY
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KEY TO FERNS AND SIMILAR PLANTS 311
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Key to Families of Gymnosperms KEY
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20. Flowers in a single, small (4-4
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38. Stamens 6 per flower. 39. Peria
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57. Leaves reduced to scales only;
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FERNS AND SIMILAR PLANTS (PTERIDOPH
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ISOETES/ISOETACEAE 323 DIVISION LYC
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Psilotum nudum [KNO] Isoetes butler
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LYCOPODIELLA/LYCOPODIACEAE 327 Beit
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SELAGINELLA/SELAGINELLACEAE 329 Pse
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ILLUSTRATED FLORA OF EAST TEXAS 331
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Palhinhaea cernua [CLU] Selaginella
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leaf blade petiole rhizome root sca
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ASPLENIUM L. SPLEENWORT ASPLENIUM/A
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WOODWARDIA/BLECHNACEAE 339 1. Plant
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MEGASPORE Woodwardia areolata [LUN]
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DRYOPTERIDACEAE 343 AThe family as
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Anemia mexicana Azolla caroliniana
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DRYOPTERIS/DRYOPTERIDACEAE 347 Carr
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WOODSIA/DRYOPTERIDACEAE 351 Tectari
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MARSILEA/MARSILEACEAE 353 etation (
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BOTRYCHIUM/OPHIOGLOSSACEAE 357 REFE
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Nephrolepis exaltata Onoclea sensib
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OPHIOGLOSSUM/OPHIOGLOSSACEAE 361 Op
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PTERIDACEAE 365 and pous or podium,
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Botrychium virginianum Ophioglossum
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CERATOPTERIS/PTERIDACEAE 371 Astrol
Page 65 and 66: Argyrochosma dealbata [LUN] Astrole
Page 67 and 68: Cheilanthes feei [LUN] Cheilanthes
Page 69 and 70: Astrolepis integerrima Astrolepis s
Page 71 and 72: SALVINIACEAE 379 fern, derived from
Page 73 and 74: SALVINIA/SALVINIACEAE 381 NM, and N
Page 75 and 76: ILLUSTRATED FLORA OF EAST TEXAS 383
Page 77 and 78: Pellaea ovata Pellaea wrightiana IL
Page 79 and 80: Thelypteris dentata [SM3] STERILE F
Page 81 and 82: GYMNOSPERMS EPHEDRACEAE 389 AThe te
Page 83 and 84: DIVISION PINOPHYTA CONIFERS CUPRESS
Page 85 and 86: JUNIPERUS/CUPRESSACEAE 393 allergen
Page 87 and 88: Ephedra antisyphilitica [LUN] Junip
Page 89 and 90: PINUS/PINACEAE 397 clusters at the
Page 91 and 92: � � � � � � Pinus echin
Page 93 and 94: Ephedra antisyphilitica Juniperus a
Page 95 and 96: MAGNOLIOPHYTA 403 consumed in large
Page 97 and 98: CLASS MONOCOTYLEDONAE MONOCOTYLEDON
Page 99 and 100: AGAVACEAE 407 produced in North Ame
Page 101 and 102: HESPERALOE/AGAVACEAE 409 for their
Page 103 and 104: Acorus calamus [GLE] Hesperaloe eng
Page 105 and 106: YUCCA/AGAVACEAE 413 snakebite (Verh
Page 107 and 108: 7. Leaves straight or nearly so, la
Page 109 and 110: Manfreda virginica subsp. lata [HEA
Page 113 and 114: Manfreda maculosa Manfreda sileri I
Page 115: ALISMA/ALISMATACEAE 423 1. Pistils
Page 119 and 120: SAGITTARIA/ALISMATACEAE 427 long te
Page 121 and 122: Echinodorus tenellus [FLN, RHO] Sag
Page 123 and 124: Yucca treculeana ILLUSTRATED FLORA
Page 125 and 126: ALLIUM/ALLIACEAE 433 pounds are ant
Page 127 and 128: ALLIUM/ALLIACEAE 435 Allium ampelop
Page 129 and 130: STAMENS ILLUSTRATED FLORA OF EAST T
Page 131 and 132: CAPSULE Allium canadense var. mobil
Page 133 and 134: var. fraseri-▲ var. hyacinthoides
Page 135 and 136: AMARYLLIDACEAE 443 and edible (Baye
Page 137 and 138: COOPERIA/AMARYLLIDACEAE 445 REFEREN
Page 139 and 140: BULBILS CAPSULE Allium sativum [ANO
Page 141 and 142: HABRANTHUS/AMARYLLIDACEAE 449 obser
Page 143 and 144: CAPSULES SEED Habranthus tubispathu
Page 147 and 148: LYCORIS/AMARYLLIDACEAE 455 usually
Page 149 and 150: Hymenocallis liriosme [HEA] Leucoju
Page 151 and 152: Narcissus jonquilla [NIC] Narcissus
Page 153 and 154: ANTHERICACEAE 461 2000), Anderson,
Page 155 and 156: ARACEAE 463 hemiepiphytes, and aqua
Page 157 and 158: ARISAEMA/ARACEAE 465 has been disag
Page 161 and 162: ORONTIUM/ARACEAE 469 down the insid
Page 163 and 164: Echeandia flavescens [MCV] Colocasi
Page 165 and 166: ARECACEAE 473 oped rhizomes present
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ASPARAGACEAE 475 spreading from cul
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BROMELIACEAE 477 jointed pedicels;
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Xanthosoma sagittifolium [BA1] Saba
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APTERIA/BURMANNIACEAE 481 FAMILY RE
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S. minor � S. mexicana-� ILLUST
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UVULARIA/COLCHICACEAE 485 blurred,
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ANTHER CAPSULE PISTIL Apteria aphyl
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CALLISIA/COMMELINACEAE 489 the Haem
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COMMELINA/COMMELINACEAE 491 4. Spat
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SINGLE FLOWER INFLORESCENCE Callisi
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TRADESCANTIA/COMMELINACEAE 495 & Tv
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FRUITING INFLORESCENCE Murdannia nu
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Tradescantia paludosa [AND] Tradesc
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CYPERACEAE 507 become split by grow
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CYPERACEAE 509 10. Scales of spikel
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BULBOSTYLIS/CYPERACEAE 511 1. Spike
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CAREX/CYPERACEAE 517 The following
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CAREX/CYPERACEAE 519 of leaf sheath
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CAREX/CYPERACEAE 521 37. Perigynia
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CAREX/CYPERACEAE 523 58. Achene sho
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CAREX/CYPERACEAE 525 85. Larger per
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Carex abscondita [MAC] Carex albica
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CAREX/CYPERACEAE 531 persists in li
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Carex decomposita [MAC] Carex digit
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Carex triangularis [MAC] Carex tetr
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CYPERUS/CYPERACEAE 559 1974; Baijan
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CYPERUS/CYPERACEAE 561 21. Leaf bla
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CYPERUS/CYPERACEAE 563 fresh; achen
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CYPERUS/CYPERACEAE 565 tively more
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CYPERUS/CYPERACEAE 573 Cyperus invo
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Cyperus esculentus [REE] Cyperus fi
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CYPERUS/CYPERACEAE 577 around the s
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Cyperus iria [GWO] Cyperus lanceola
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Cyperus surinamensis [BT2] Cyperus
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ELEOCHARIS/CYPERACEAE 587 5. Culms
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ELEOCHARIS/CYPERACEAE 589 27. Spike
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ELEOCHARIS/CYPERACEAE 591 43. Scale
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ELEOCHARIS/CYPERACEAE 593 compressa
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ELEOCHARIS/CYPERACEAE 601 ing mats;
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FIMBRISTYLIS Vahl FIMBRY FIMBRISTYL
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Fimbristylis annua [SID] Fimbristyl
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REFERENCES: Coville 1890; Bush 1905
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RHYNCHOSPORA/CYPERACEAE 621 Lipocar
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RHYNCHOSPORA/CYPERACEAE 623 10. Per
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RHYNCHOSPORA/CYPERACEAE 625 34. Cul
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Lipocarpha aristulata [GWO] Lipocar
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SCHOENOPLECTUS/CYPERACEAE 641 exten
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Schoenoplectus pungens [MAS] Schoen
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SCLERIA/CYPERACEAE 649 5. Lowest la
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SCLERIA/CYPERACEAE 651 with a pair
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ERIOCAULON/ERIOCAULACEAE 657 1. Pet
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ERIOCAULON/ERIOCAULACEAE 659 bracts
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� Dioscorea bulbifera [HEB] ILLUS
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HYACINTHACEAE 663 orange zone towar
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Scleria pauciflora ILLUSTRATED FLOR
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� � ILLUSTRATED FLORA OF EAST T
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SCHOENOLIRION/HYACINTHACEAE 669 som
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HYDROCHARITACEAE 671 AA small (116
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HYDRILLIA/HYDROCHARITACEAE 673 marg
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OTTELIA Pers. DUCK-LETTUCE OTTELIA/
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� Vallisneria americana [LAM] Ott
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IRIDACEAE 683 inflorescences with 1
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BELAMCANDA Adans. LEOPARD-LILY, BLA
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IRIS/IRIDACEAE 691 6. Cauline leaf
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Iris brevicaulis [YAT] ILLUSTRATED
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SISYRINCHIUM/IRIDACEAE 697 3. Inflo
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Sisyrinchium ensigerum [CUR] Sisyri
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JUNCUS/JUNCACEAE 703 mainly in wet
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JUNCUS/JUNCACEAE 705 yellowish, lea
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Juncus acuminatus [MAS] Juncus anth
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Juncus dichotomus [GWO] Juncus effu
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Juncus polycephalus [GWO] Juncus re
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var. validus-● var. facinatus-�
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LEMNA/LEMNACEAE 721 Pineywoods and
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SPIRODELA/LEMNACEAE 723 Lemna turio
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NOTE 3 VEINS � TOP VIEW Lemna min
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LILIACEAE 729 The lily family (even
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ERYTHRONIUM/LILIACEAE 731 17. Tepal
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Wolffia columbiana [GWO, MIB] Wolff
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LIMNOCHARITACEAE 735 1. Perianth wh
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THALIA/MARANTACEAE 737 pollen prese
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MELANTHIACEAE 739 AA small family (
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Lilium philippinense [GCH] SEED FOL
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VERATRUM/MELANTHIACEAE 745 circumsc
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Zigadenus glaberrimus [GLE] Schoeno
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ALETRIS/NARTHECIACEAE 749 Tofieldia
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DASYLIRION Zucc. SOTOL, SHAGGY-LILY
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FLOWER Aletris aurea [CO1] Aletris
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ORCHIDACEAE 755 45 occur in East TX
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CALOPOGON/ORCHIDACEAE 757 5-25 flow
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CLEISTES/ORCHIDACEAE 759 long; lip
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CYPRIPEDIUM/ORCHIDACEAE 761 while t
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Stenanthium gramineum Toxicoscordio
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Calopogon tuberosus [FNA] Corallorh
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HEXALECTRIS/ORCHIDACEAE 767 rain. A
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Habenaria quinqueseta [LUN] Habenar
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PLATANTHERA/ORCHIDACEAE 771 PLATANT
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PLATANTHERA/ORCHIDACEAE 773 Platant
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SPIRANTHES/ORCHIDACEAE 779 mm wide,
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SPIRANTHES/ORCHIDACEAE 781 12. Lip
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Platanthera lacera [YAT] Pogonia op
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SPIRANTHES/ORCHIDACEAE 789 narrowes
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TRIPHORA/ORCHIDACEAE 791 an example
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LEAF collar rhizome blade ligule sh
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POACEAE 797 Dissection is usually n
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POACEAE 799 rower and often differe
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POACEAE 801 6. Lemmas awned, the tw
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POACEAE 803 30. Lemma veins none to
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POACEAE 805 13. Inflorescences narr
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POACEAE 807 12. Lemma awnless; infl
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POACEAE 809 inflorescence solitary,
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POACEAE 811 29. Spikelets loosely a
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POACEAE 813 20. Basal leaves usuall
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AEGILOPS/POACEAE 815 23. Spikelets
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AGROSTIS/POACEAE 817 Agrostis hyema
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ANDROPOGON/POACEAE 821 colonizing e
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ANTHENANTIA/POACEAE 825 to be the e
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ARISTIDA/POACEAE 829 9. Lemma thick
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ARISTIDA/POACEAE 831 BRIT), Newton
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Anthoxanthum aristatum [BB2] Anthox
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AXONOPUS/POACEAE 839 duced to the U
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Avena fatua [HI1] Arundo donax [LYN
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BOTHRIOCHLOA/POACEAE 843 var. barbi
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Aristida purpurea (all vars.) ILLUS
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Axonopus compressus [HI1] Axonopus
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BOUTELOUA/POACEAE 849 state grass b
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Bothriochloa ischaemum var. songari
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Bouteloua pectinata [BOT, HEA] Bout
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BROMUS/POACEAE 857 8. Lemmas and gl
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BUCHLOE/POACEAE 861 ticularly in th
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CHASMANTHIUM/POACEAE 865 [C. caroli
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CHLORIS/POACEAE 871 East TX; mainly
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Chasmanthium sessiliflorum [USB] Ch
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CORTADERIA/POACEAE 875 of the inflo
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DANTHONIA/POACEAE 881 Dactylocteniu
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Cynodon dactylon [REE] Cynosurus ec
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DICHANTHELIUM/POACEAE 885 AA genus
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DICHANTHELIUM/POACEAE 887 20. Inter
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DICHANTHELIUM/POACEAE 889 26. Leaf
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Danthonia spicata [USB] Desmazeria
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DICHANTHELIUM/POACEAE 897 and Harri
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Dichanthelium acuminatum (all vars.
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DICHANTHELIUM/POACEAE 905 that this
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DIGITARIA/POACEAE 909 2. Main axis
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Dichanthelium sphaerocarpon [HI] IL
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DIGITARIA/POACEAE 913 with papilla-
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Digitaria bicornis [HEB] ILLUSTRATE
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Digitaria insularis [HI1] Digitaria
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EHRHARTA/POACEAE 921 spikelets (2.5
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ELIONURUS/POACEAE 923 Since this co
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Echinochloa crus-gali [REE] Echinoc
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ENTEROPOGON Nees UMBRELLA GRASS ENT
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ERAGROSTIS/POACEAE 931 8. Infloresc
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ERAGROSTIS/POACEAE 933 12. Pedicels
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Elymus repens [HI1] Elymus smithii
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Eragrostis japonica [USB] ILLUSTRAT
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ERIONEURON/POACEAE 945 Shaw and Sme
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� � � ILLUSTRATED FLORA OF EA
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FESTUCA/POACEAE 951 rachilla glabro
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GYMNOPOGON/POACEAE 955 Glyceria sep
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HILARIA/POACEAE 957 REFERENCES: Eme
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ILLUSTRATED FLORA OF EAST TEXAS Fes
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KOELERIA/POACEAE 963 Andropogoneae,
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Heteropogon melanocarpus [HI1] Hord
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LEPTOCHLOA/POACEAE 967 Leersia oryz
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ILLUSTRATED FLORA OF EAST TEXAS Koe
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ILLUSTRATED FLORA OF EAST TEXAS Hor
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LOLIUM/POACEAE 973 Charmet et al. 1
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Leptochloa nealleyi [USB] Lolium ri
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MICROSTEGIUM/POACEAE 977 AA variabl
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ILLUSTRATED FLORA OF EAST TEXAS Lep
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Lolium temulentum [USB] Melica muti
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MUHLENBERGIA/POACEAE 983 10. Lemma
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MUHLENBERGIA/POACEAE 985 and Prairi
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ILLUSTRATED FLORA OF EAST TEXAS Mon
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ILLUSTRATED FLORA OF EAST TEXAS Mic
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ILLUSTRATED FLORA OF EAST TEXAS Muh
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PANICUM/POACEAE 993 fact that gener
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PANICUM/POACEAE 995 17. Spikelets 2
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Oryza sativa [HI1] Panicum anceps [
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ILLUSTRATED FLORA OF EAST TEXAS Muh
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PANICUM/POACEAE 1001 Panicum hallii
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Panicum trichoides [HI2] ILLUSTRATE
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PASPALUM/POACEAE 1009 5. Spikelets
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PASPALUM/POACEAE 1011 27. Axils of
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Panicum virgatum [RCA] Paspalum acu
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PASPALUM/POACEAE 1019 loam soils; w
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PENNISETUM/POACEAE 1025 unit as in
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Paspalum repens [USB] ILLUSTRATED F
Page 721 and 722:
PHALARIS/POACEAE 1029 landscapes (B
Page 723 and 724:
Paspalum pubiflorum (both vars.) IL
Page 725 and 726:
Pennisetum purpureum [HUT] Penniset
Page 727 and 728:
POA/POACEAE 1035 around awn base; l
Page 729 and 730:
POA/POACEAE 1037 long. Forests, flo
Page 731 and 732:
Page 733 and 734:
Page 735 and 736:
Page 737 and 738:
SACCHARUM/POACEAE 1045 1. Awn of le
Page 739 and 740:
SCHEDONNARDUS/POACEAE 1047 lower gl
Page 741 and 742:
Page 743 and 744:
Page 745 and 746:
SETARIA/POACEAE 1053 Paspalidium (W
Page 747 and 748:
SETARIA/POACEAE 1055 14. Leaf blade
Page 749 and 750:
Schizachyrium tenerum [HI1, USB] Sc
Page 751 and 752:
Page 753 and 754:
Page 755 and 756:
SORGHUM/POACEAE 1063 2000) indicate
Page 757 and 758:
SPARTINA/POACEAE 1065 Americas it [
Page 759 and 760:
Sorghastrum elliottii [HI1] Sorghas
Page 761 and 762:
Page 763 and 764:
SPOROBOLUS/POACEAE 1071 7. Lemma ap
Page 765 and 766:
Page 767 and 768:
STEINCHISMA/POACEAE 1075 Sporobolus
Page 769 and 770:
Sphenopholis obtusata (both vars.)
Page 771 and 772:
Sporobolus neglectus [HI1] Sporobol
Page 773 and 774:
TRICHONEURA/POACEAE 1081 guish it f
Page 775 and 776:
Stenotaphrum secundatum [USB] Trich
Page 777 and 778:
Page 779 and 780:
Page 781 and 782:
TRISETUM/POACEAE 1089 low areas; ne
Page 783 and 784:
UROCHLOA/POACEAE 1091 AA C4 genus o
Page 785 and 786:
Page 787 and 788:
Tridens eragrostoides Tridens flavu
Page 789 and 790:
VULPIA/POACEAE 1097 2. Lemmas (exce
Page 791 and 792:
Page 793 and 794:
Page 795 and 796:
ZIZANIOPSIS/POACEAE 1103 (1999) (po
Page 797 and 798:
Page 799 and 800:
EICHHORNIA/PONTEDERIACEAE 1107 REFE
Page 801 and 802:
Zoysia japonica [HOL] Zoysia pacifi
Page 803 and 804:
POTAMOGETON/POTAMOGETONACEAE 1111 1
Page 805 and 806:
POTAMOGETON/POTAMOGETONACEAE 1113 P
Page 807 and 808:
Page 809 and 810:
Page 811 and 812:
SMILAX/SMILACACEAE 1119 times woody
Page 813 and 814:
SMILAX/SMILACACEAE 1121 30(-60) mm
Page 815 and 816:
Stuckenia pectinata [MAS] ILLUSTRAT
Page 817 and 818:
Page 819 and 820:
THEMIDACEAE 1127 cover for various
Page 821 and 822:
Smilax rotundifolia [JEM] ILLUSTRAT
Page 823 and 824:
TRILLIUM/TRILLIACEAE 1131 Schilling
Page 825 and 826:
TRILLIUM/TRILLIACEAE 1133 taxonomic
Page 827 and 828:
Triantha racemosa [GLE] Trillium lu
Page 829 and 830:
TYPHA/TYPHACEAE 1137 REFERENCES: Wi
Page 831 and 832:
XYRIS/XYRIDACEAE 1139 cone-like spi
Page 833 and 834:
XYRIS/XYRIDACEAE 1141 11. Plant bas
Page 835 and 836:
Sparganium americanum Typha latifol
Page 837 and 838:
Typha domingensis[ BT3] Typha latif
Page 839 and 840:
Xyris drummondii [SID] Xyris fimbri
Page 841 and 842:
Xyris smalliana [SID] ILLUSTRATED F
Page 843:
Xyris caroliniana Xyris difformis (
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