P: ISSN NO.: 2321-290X RNI : UPBIL/2013/55327 SHRINKHALA : VOL-II * ISSUE-II*October-2014 E: ISSN NO.: 2349 – 980X

Study of Phytodiversity of District of

Abstract The present paper deals with the phytodiversity of , based on floristic exploration during the period of 2010-2012. In this work, a total number of 355 species belonging to 246 genera and 80 families of 4 different groups of phytodiversity viz. algae(1), pteridophytes(2),gymnosperm (1) and angiosperms (76) were recorded. Out of total 355 species, 351 species of angiosperms belonging to 242 genera were recorded. Keyword: Phytodiversity, Sikar, Rajasthan. Introduction The district is located in the north-eastern part of the state of Rajasthan. It is bounded on the north by district, in the north- west by , in the south-west by district in the south- east by district. It also touches Mahendragarh district of . 2 The district has an area of 7742.44 km , and population of 26, 77, 737 (2011 census). Sikar, Churu district and comprise the region of Rajasthan at 27°13’ N 28°.07’ E/27.21° N 28.12°E. Rashmi Vyas During the recent years Indian botanists have emphasized for intensive exploration and compilation of inventories of plants resources of the Research Associate, country. These inventories will also be helpful in compilation of state and Department of Botany, National flora. Govt Dungar P.G. College, In order to achieve the above objectives, district flora for the , Rajasthan. state of Rajasthan has been initiated. In this context, district flora for Tonk

(Shetty & Pandey, 1983) and (Singh, 1983) district of

Rajasthan have been published. Besides, flora of (Parmer &

Singh, 1982), Pali (Pandey & Singh, 1989), (Vyas et al., 1985),

Bikaner (Parmar et al., 1985), Ganganagar (Singh & Dhillon, 1989) and Nagaur (Sharma & Aggarwal, 2008) district have also been worked out. Intensive botanical exploration work on many district of Rajasthan is in progress. But, no reference regarding the study of phytodiversity of Sikar district has been recorded. The present work is an endeavor to begin with the phytodiversity of this region. For the collection of voucher specimens as future reference and their preservation, herbarium methodology given by Jain & Rao (1976) was followed. All the plant specimens have been authenticated from B.S.I., , F.R.I. Dehradun and preserved in the Herbarium, Suman C. Sharma Department of Botany, Govt. Dungar (P.G.) College, Bikaner (Rajasthan). Lecturer, The taxa are arranged alphabetically under their respective families which Department of Botany, are arranged according to the classification of Bentham and Hooker Govt. Dungar P.G. College, (1862-1883). Identification of the species is based on the flora of Bhandari Bikaner, Rajasthan. (1995) and Shetty & Singh (1987-93) Aim of the Study The Phytodiversity study leads to an up to-date knowledge of the vegetable resources and raw materials; the supplementary food plants and those providing fodder for the animals species that carry medicinal value and the data that throw some light on the Phytogeographical problems. Further, it is difficult for a post-graduate and research department in Botany to function unless the plants occurring in the surroundings are not well known. It is only after correctly identifying them, that one can study their detailed aspects botanical, anatomical, ontogenetically, cytological, and ecological as well as ethenobotanical. Enumeration The name of the plant is followed by locality and collection number. Mennispermaceae Cocculus pendulus(J.R. & G. Forst.) Diels Locality : Aantari, 5039 Tinospora cordifolia (Willd)Miers 3

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Locality : Bai, 5332 Malva parviflora L. Papaveraceae Locality : Danta Ramgarh, 5064 Argemone Mexicana Linn. Malvastrum coromandelianum (L.) Garcke Locality :Chirana, 5333 Locality : Harsh Parvat, 5016 Fumariaceae Pavonia zeylanica (L.) Cav. Fumaria indica L. Locality : Rewasa, 5051 Locality : Alakhpura, 5321 Sida accuta L. Brassicaceae Locality : Khatu, 5339 Brassica campestris Linn. Sida cordata (Burm. F.) Borssum Locality : Gaon, 5334 Locality : Sanwli, 5029 Coronopus didymus (Linn.)Smith Sida cordifolia L. Locality : Rewasa, 5049 Locality : Rewasa, 5056 Farsetia hamiltonii Royle Sida ovata Forsk. Locality : Dhabai Ki Dhani, 5001 Locality : Khatu, 5083 Lepidium sativum L. Sida rhombifolia L. Locality : Bai, 5078 Locality : Kushalpura, 5160 Sisymbrium irio Linn. Sterculiaceae Locality : Aantari, 5038 Sterculia urens L. Cleomaceae Locality : Kailash, 5109 Cleome gynandra Linn. Waltheria indica L. Locality : , 5335 Locality : Raghunath Garh, 5192 Cleome viscosa Linn. Tiliaceae Locality : Danta Ramgarh, 5077 Corchorus aestuans L. Capparaceae Locality : Rewasa, 5055 Cadaba fruticosa L. Corchorus depressus (L.) Stocks Locality : Sikar City, 5129 Locality : Dhabai Ki Dhani, 5027 Capparis decidua (Forsk.) Edgew. Corchorus fascicularis Lam. Locality : Sikar City, 5336 Locality : Sanwali, 5032 Polygalaceae Corchorus olitorius L. Polygala erioptera DC. Locality : Rewasa, 5057 Locality : Raghunath Garh, 5189 Corchorus tridens L. Caryophyllaceae Locality : Aantri, 5040 Polycarpaea corymbosa (L.)Lam. Elaeocarpus ganitrus (Roxb.) Locality : Chirana, 5170 Locality : Ganeshwar, 5203 Silene conoidea L. Grewia occidentalis L. Locality : Sanwli, 5028 Locality : Aantri, 5340 Spergula arvensis L. Triumfetta pentandra A. Rich Locality : Harshgaon, 5003 Locality : Khatu, 5091 Portulacaceae Zygophyllaceae Portulaca oleracea L. Fagonia cretica Burm. Locality : Palsana, 5117 Locality : Palsana, 5118 Tamaricaceae Peganum harmala L. Tamarix aphylla (L.)Karst. Locality : Harsh Parvat, 5014 Locality : Rewasa Jhil, 5050 Tribulus alatus L. Tamarix dioica Roxb. ex Roth Locality : Danta Ramgarh, 5065 Locality : Reengus, 5106 Tribulus pentandrus forssk. Var. pentandrus Tamarix indica Willd. Locality : Palasia ,5156 Locality : Rewasa, 5337 Tribulus rajasthanensis Bhandari & Sharma Elatinaceae Locality : Reengus, 5341 Bergia ammannioides Roth Tribulus terrestris L. Locality : Kushalpura, 5161 Locality : Palsana, 5116 Malvaceae Zygophyllum simplex L. Mant. Abutilon indicum ssp.Indicum (L.)Sweet Locality : Reengus, 5105 Locality : Harshgaon, 5002 Oxalidaceae Abutilon pannosum (Forst. f.) Schlecht. Oxalis corniculata Linn. Locality : Danta Ramgarh, 5069 Locality : Kushalpura, 5138 Althaea rosea (L.) Cav. Rutaceae Locality : Sanwali, 5338 Aegle marmelos (L.) Corr. Gossypium arboreum L. Locality : Mehroli, 5343 Locality : Alakhpura, 5307 Citrus medica L. Hibiscus micranthus L. f. Locality : Sikar City, 5344 Locality : Bikaner Ratangarh Road, 5146 Feronia limonia (L.)

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Swingle Locality :Palsana, 5119 Indigofera linifolia (L. f.) Retz. Murraya koenigii (L.) Spreng. Locality : Bai, 5079 Locality : Chirana, 5166 Indigofera linnaei Ali Simaroubaceae Locality : Sanwali, 5030 Alianthus excels Roxb. Indigofera sessiliflora DC. Locality : Vati Road, 5140 Locality : Aantari, 5037 Balanitaceae Indigofera tinctoria L. Balanites aegyptiaca (L.) Del. Locality : Rewasa Jheel, 5052 Locality : Palsana, 5115 Phaseolus vulgaris L. Burseraceae Locality : Khatu, 5090 Boswellia serrate Roxb.ex Cocls. Pongamia pinnata (L) Pierre Locality : Jeen Mata, 5058 Locality : Sikar, 5285 Commiphora mukul (Hook. ex Stocks) Engl. Rhynchosia minima (L.) DC. Locality : Gori Dham, 5042 Locality : Data Ramgarh, 5072 Meliaceae Sesbania sesban (L.) Merrill Azadirachta indica A. Juss. Locality : Bikaner Ratangarh Road, 5153 Locality : Dhabai Ki Dhani, 5021 Tephrosia purpurea (L.) Pers. Celastraceae Locality : Bikaner Ratangarh Road, 5147 Maytenus emarginatus (Willd.) Ding Hou Tephrosia subtriflora Hochst. ex Baker Locality : Raghunathgarh Road, 5188 Locality : Shri Madhopur, 5232 Maytenus senegalensis L. Trifolium alexandrinum L. Locality : Palsana, 5112 Locality : Gawdi, 5311 Rhamnaceae Trigonella incise Benth. Ziziphus mauritiana Lam. Locality : Mau, 5249 Locality : Kushalpura, 5162 Caesalpiniaceae Ziziphus nummularia (Burm. f.) Wight & Arn. Bauhinia racemosa Lam. Locality : Ringus, 5104 Locality : Sikar City, 5284 Ziziphus truncate Blatt. & Hallb. Bauhinia variegate L. Locality : Mau, 5346 Locality : Gori Dham, 5043 Sapindaceae Cassia angustifolia L. Cardiospermum halicaccabum L. Locality : Haspura, 5246 Locality : Harsh Parvat, 5015 Cassia fistula L. Dodonaea viscosa (L.) Jacq. Locality : Harsh Parvat, 5017 Locality : Alakhpura, 5327 Cassia javanica L. Anacardiaceae Locality : Udaipur Vati Road, 5131 Rhus mysurensis G. Don. Cassia occidentalis L. Locality : Fatehpur, 5297 Locality : Chaurana Ka Bas, 5228 Moringaceae Cassia roxburghii DC. Moringa Oleifera Lam. Locality : Jaipur Road Sikar, 5125 Locality : Sirohi Gaon, 5179 Cassia senna Fabaceae Locality : , 5270 Abrus precatorius L. Cassia siamea Lam. Locality : Khatu, 5084 Locality : Jaipur Road, 5126 Aeschynomene indica L. Cassia tora L. Locality : Harsh Gaon, 5004 Locality : Kailash, 5111 Alhagi maurorum Medic. Hardwickia binata Roxb. Locality : Jhunjhnu Road, 5142 Locality : Dhabai Ki Dhani, 5022 Alysicarpus longifolius (Rottl. Ex Spreng.) Parkinsonia aculeta L. Locality : Laxmangarh, 5269 Locality : Raghunathgarh Road, 5190 Alysicarpus monilifer (L.) DC. Tamarindus indica L. Locality : Narodara, 5277 Locality : Reengas, 5103 Alysicarpus vaginalis (L.) DC. Mimosaceae Locality : Jangid Ki Shakti Peeth, 5310 Acacia leucophloea (Roxb.) Willd. Crotalaria burhia Buch. Ham. Ex Benth. Locality : Jhunjhnu Road, 5143 Locality : Sanwli, 5031 Acacia nilotica (L.)Willd. ex Del. Crotolaria medicaginea Lam. Locality : Sikar City, 5127 Locality : Jeen Mata, 5059 Acacia Senegal (L.) Willd. Dalbergia sissoo Roxb. Locality :Kanwat , 5347 Locality : Aantri, 5035 Albizia lebbeck (L.) Benth. Indigofera cordifolia Heyne ex Roth Locality : Chirana, 5169 Locality : Baleshwar, 5226 Leucaena latisiliqua (L.) Gillis Indigofera hochstetteri Baker Locality : Zero Ki Chowki, 5212 Locality : Bikaner Ratangarh Road, 5152 Pithecellobium dulce (Roxb.) Benth.

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Locality : Jangid Ki Shakti Peeth, 5330 Glinus lotoides L. Prosopis cineraria (L.) Druce Locality : Raghunath Garh, 5187 Locality : Palasia, 5155 Limeum indicum Stocks ex T. Anders. Prosopis juliflora (Swartz) DC. Locality : Gori Dham, 5044 Locality : Laxmangarh, 5271 Mollugo cerviana (L.) Seringe Rosaceae Locality : Ramgarh, 5075 Potentilla supina (L.) Mollugo nudicaulis Lam. Locality : Zero Ki Chowki, 5214 Locality : Chaurana Ka Bas, 5227 Combretaceae Apiaceae Anogeissus latifolia (Roxb. ex DC.) Wall. ex Guill. & Coriandrum sativum L. Perr. Locality :Kanwat , 5352 Locality : Jangid Ki Shakti Peeth, 5296 Rubiaceae Terminalia arjuna (Roxb. ex DC.) Wight & Arn. Borreria articularis(L. f.) Mill. Locality : Sirohi Gaon, 5178 Locality : Gori Dham, 5045 Myrtaceae Odenlandia Corymbosa Callistemon citrinus (curt.)Stapf. Locality : Chirana, 5171 Locality :Gori Dham, 5348 Asteraceae Callistemone viminalis Cheel Acanthospermum hispidum DC. Locality : Rashidpura, 5290 Locality : Harsh Parvat, 5013 Eucalyptus paniculata Labill. Ageratum conyzoides L. Locality : Data Ramgarh, 5070 Locality : Sikar , 5265 Psidium guajava L. Artemisia scoparia Waldst. & Kit Locality : Mehroli , 5349 Locality : Udaipur Vati Road, 5135 Syzygium cumini (L.) Skeels Bidens biternata (Lour.) Merr. & Sherff ex Sherff Locality : Khatu , 5350 Locality : Gawdi, 5209 Lythraceae Blainvillea acmella(L.) Philipson Lawsonia inermis L. Locality : Neem Ka Thana, 5196 Locality : Sirohi Gaon, 5174 Blumea lacera(Burm. f.) DC. Punicaceae Locality : Aantri, 5036 Punica granulata L. Blumea membranacea DC. Locality : Ganeshwar, 5201 Locality : Kailash, 5108 Cucurbitaceae Blumea obliqua L. Druce Blastania garcinii (Burm. f. ) Cogn. Locality :Reengus, 5354 Locality : Ganeshwar, 5198 Cotula australis L. Citrullus colocynthis(L.) Schrad. Locality :Mau , 5353 Locality : Mehroli, 5255 Dicoma tomentosa Cass. Coccinia grandis (L.) J.O. Voigt Locality : Pahari, 5063 Locality : Palasia , Piprali, 5163 Echinops echinatus L. Corallocarpus epigaeus(Rottl & Willd.) Hook. f. Locality : Alakhpura, 5324 Locality : Kanwat, 5241 Eclipta alba (L.) Hassk. Cucumis callosus(Rottl.) Cogn. Locality : Jaipur Road, 5122 Locality : Dhabai Ki Dhani, 5020 Erigeron bonariensis L. Dactyliandra welwitschii Hook. f. Locality : Fatehpur , 5331 Locality : Ringus, 5094 Glossocardia bosvallea (L .f.) DC. Melothria maderaspatana(L.) Cogn. Locality : Mau, 5253 Locality : Udaipur Vati Road, 5136 Gnaphalium pulvinatum Delile Momordica balsamina L. Locality : Mehroli, 5258 Locality : Raghunath Garh, 5191 Launaea nudicaulis auct. Plur. Non (L.) Hook. F. Momordica charantia L. Locality : Chirana, 5167 Locality : Harsh Gaon , 5351 Launaea resedifolia (L.) Kuntze Momordica dioica Roxb. ex Willd. Locality : Raghunath Garh, 5185 Locality :Aantri , 5298 Oligochaeta ramose (Roxb.) Wagenitz Cactaceae Locality : Chorana Ka Baas, 5230 Opuntia stricta V.dellenii Parthenium hysterophorus L. Locality : Chirana, 5165 Locality : Neem Ka Thana, 5195 Aizoaceae Pluchea lanceolata (DC.) Clarke Sesuvium portulacastrum(L.) Locality : Sirohi Gaon, 5180 Locality : Neem Ka Thana, 5248 Pulicaria angustifolia DC. Trianthema portulocastrum L. Locality :Sikar, 5355 Locality : Jeenmata Pahari, 5062 Pulicaria crispa (Forsk) Benth & Hook. f. Molluginaceae Locality : Bikaner Ratangarh Road, 5151 Gisekia pharanceoides L. Pulicaria wightiana (DC.) Clarke Locality : Khatu, 5082 Locality : Gori Dham, 5046

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Sonchus oleraceus L. Convolvulus arvensis L. Locality : Shri Madhopur, 5237 Locality : Sikar, 5128 Tridax procumbens L. Convolvulus prostratus Forsk. Locality : Harshgaon, 5005 Locality : Ramgarh, 5312 Verbesina encelioides(Cav.) Benth & Hook. f. Cressa cretica L. Locality : Gori Dham, 5047 Locality : Narodara, 5279 Vernonia cinerea (L.) Less. Evolvulus alsinoides(L.) L. Locality : Zero Ki Chowki, 5215 Locality : Harsh Parvat, 5012 Xanthium strumarium L. Ipomoea aquatic Forsk. Locality : , 5233 Locality : Dhabai Ki Dhani, 5024 Plumbaginaceae Ipomoea coptica(L.) Roth ex Roem. & Schult. Dyerophytum indicum L. Locality : Neem Ka Thana, 5193 Locality : Sanwli, 5033 Ipomoea fistulosa Mart. Primulaceae Locality : Ringus, 5102 Anagallis arvensis L. Ipomoea nil L. Roth Locality : Baleshwar, 5224 Locality : Jangid Ki Shakti Peeth, 5313 Oleaceae Ipomoea pes-caprae (L.) R. Br. Nyctanthes arbor-tristis L. Locality : Ringus, 5093 Locality : Area Near By Neem Ka Thana, 5231 Ipomoea pes-tigridis L. Salvadoraceae Locality : Chirana, 5314 Salvadora persica L. Ipomoea sindica Stapf Locality : Kanwat, 5240 Locality : Jhunjhnu Road, 5141 Apocynaceae Merremia dissecta (Jacq.) Hall. f. Carissa spinarum L. Locality : Gawdi, 5210 Locality : Alakhpura, 5323 Cuscutaceae Catharanthus roseus (L.) G. Don Cuscuta hyalina Heyne ex Roth Locality : Jangid Ki Shakti Peeth, 5329 Locality : Rashid Pura, 5282 Asclepiadaceae Cuscuta reflexa Roxb. Calotropis gigantea (L.) R. Br. Locality : Narodra, 5278 Locality : Jangid Ki Shakti Peeth, 5326 Solanaceae Calotropis procera (Ait.) Ait. f. Datura alba Nees Locality : Dhabai Ki Dhani, 5025 Locality : Palsana, 5114 Leptadenia pyrotechnica (Forsk.) Decne. Datura innoxia Mill. Locality : Near By Neem Ka Thana, 5225 Locality : Rashid Pura, 5302 Leptadenia reticulata (Retz.) Lycium barbarum L. Locality : Jhunjhnu Road, 5145 Locality : Mau, 5251 Pergularia daemia(Forsk.) Chiov. Lycopersicon esculentum Mill. Locality : Baleshwar, 5220 Locality : Alakhpura, 5301 Periplocaceae Physalis minima L. Cryptostegia grandiflora R. Br. Locality : Alakhpura, 5304 Locality : Jeenmata Pahari, 5061 Solanum indicum auct. Non L. Boraginaceae Locality : Fatehpur, 5303 Arnebia hispidissima (Lehm.) DC. Solanum melongena var. insane Prain Locality : Mau, 5250 Locality : Zero Ki Chowki, 5216 Heliotropium curassavicum L. Solanum nigrum L. Locality : Jaipur Road, 5124 Locality : Mehroli, 5264 Heliotropium europaeum L. Var. lasiocarpum(Fish Withania somnifera(L.) Dunal & Mey) Kazmi Locality : Jahangir Ki Pith, 5305 Locality : Laxmangarh, 5288 Scrophulariaceae Heliotropium marifolium var. wallichii. Clarke Anticharis senegalensis (Walp) Bhandari Locality : Laxmangarh, 5289 Locality : Harsh Parvat, 5018 Heliotropium ovalifolium Forsk. Baccopa monnieri (L.) Wettst. Locality : Alakhpura, 5300 Locality : Alakhpura, 5295 Heliotropium subulatum (Hochst. ex DC.) Vatke. Kickxia ramosissima (Wall.) Janchen Locality : Alakhpura, 5299 Locality : Fatehpur, 5294 Sericostoma pauciflorum Stocks ex wight Lindenbergia indica (L.) Vatke Locality : Mehroli, 5256 Locality : Alakhpura, 5293 Trichodesma amplexicaule auct. Non Roth Lindenbergia macrostachya (Benth.) Benth Locality : Raghunath Garh Road, 5183 Locality : Rashidpura, 5281 Ehretiaceae Saponaria pumilio L. Cordia dichotoma Forst. f. Locality : Madhopur, 5356 Locality : Sikar City, 5223 Veronica agrestis L. Convolvulaceae Locality : Harsh Gaon, 5008

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Bignoniaceae Locality : Jangid Ki Shakti Peeth, 5319 Tecoma stans (L.) Juss. ex Kunth Aerva javanica (Burm. f. ) Juss. ex Schult. Locality : Reengas, 5098 Locality : Khatu, 5085 undulate (Sm.) Seem. Aerva lanata (L.) Juss. ex Schult. Locality : Sri Madhopur, 5234 Locality : Sirohi Gaon, 5181 Pedaliaceae Aerva persica (Burm. f.) Merrill Pedalium murex L. Locality : Data Ramgarh, 5067 Locality : Laxmangarh, 5272 Alternanthera punjens Kunth Acanthaceae Locality : Kanwat, 5317 Adathoda vasica Nees Alternanthera sessilis (L.) R. Br. ex DC. Locality : Ringus, 5101 Locality : Rashidpura, 5316 Adhatoda zeylanica Medic. Amaranthus lividus L. Locality : Chirana, 5168 Locality : Khatu, 5089 Andrographis paniculata (Burm. f. ) Wall. ex Nees Amaranthus spinosus L. Locality : Ganeshwar, 5204 Locality : Jaipur Road, 5123 Barleria acanthoides Vahl Amaranthus viridis L. Locality : Ganeshwar, 5199 Locality : Mehroli, 5315 Blepharis linariaefolia Pers. Celosia Argentea L. Locality : , 5357 Locality : Ramgarh, 5074 Dipteracanthus patulus (Jacq.) Nees Digera muricata (L.) Mart. Locality : Data Ramgarh, 5066 Locality : Gori Dham, 5048 Peristrophe paniculata (Forsk.) Brumm. Gomphrena celosioides Mart. Locality : Jeero Ki Chauki, 5213 Locality : Sikar, 5034 Rungia repens (L.) Nees Pupalia lappacea (L.) Juss. Locality : Sirohi Gaon, 5176 Locality : Baleshwar, 5222 Verbenaceae Chenopodiaceae Clerodendrum phlomidis L. F. Chenopodium album L. Locality : Ringus, 5092 Locality :Sikar, 5292 Lantana camara L. Haloxylon salicornicum (Moq.) Bunge ex Boiss. Locality : Jeero Ki Chauki, 5211 Locality : Udaipur Vati Road, 5130 Phyla nodiflora (L.) E. E.Greene Salsola baryosma (Roem. & Schult.) Dandy. Locality : Sri Madhopur, 5235 Locality : Khatu, 5088 Lamiaceae Suaeda fruticosa (L.) Forsk. Anisochilus carnosus (L. f. ) Wall. ex Benth. Locality : Khatu, 5086 Locality : Laxmangarh, 5273 Polygonaceae Leucas aspera (Willd.) Link Calligonum polygonoides L. Locality : Data Ramgarh, 5068 Locality : Aantri, 5340 Leucas lanata Wall. ex. Benth. Emax spinosus (L.)Compd. Locality : Mau, 5254 Locality : Sikar, 5286 Leucas urticaefolia (Vahl.) R. Br. Polygonum barbatum L. Locality : Palsana, 5113 Locality : Bikaner Ratangarh Road, 5149 Leucas zeylanica (L.) R. Br. Polygonum plebeium R.Br. Locality : Kanwat, 5243 Locality : Sikar, 5287 Ocimum americanum auct. Plur. Non L. Rumax crispus L. Locality : Ringus, 5100 Locality : Ringus, 5096 Ocimum basilicum L. Rumax dentalis L. Locality : Fatehpur , 5325 Locality : Revasa, 5053 Ocimum sanctum L. Proteaceae Locality : Ringus, 5095 Graviliia robusta A. Cunn. Ex R. Br. Salvia aegyptiaca L. Locality : Sikar, 5120 Locality : Harshgaon, 5006 Euphorbiaceae Nyctaginaceae Croton bonplandianum Baill. Boerhavia diffusa L. Locality : Aantari, 5041 Locality : Udaipur Vati Road, 5132 Croton tiglium Linn. Boerhavia erecta L. Locality : Jeen Mata, 5060 Locality : Ganeshwar , 5358 Euphorbia granulata Forsk. Bougainvillea spectabilis Willd. Locality : Sirohi Gaon, 5177 Locality : Bai, 5081 Euphorbia hirta L. Commicarpus verticillatus (Poir.) Standl. Locality : Raghunath Garh, 5184 Locality : Ringus, 5099 Euphorbia pulchirrima Willd. Ex Klotz. Locality : Sikar, 5164 Amaranthaceae Euphorbia thymifolia Lam. Achyranthes aspera L. Locality : Bai, 5080

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Phyllanthus amarus Schum & Thonn. Cyperus pygmaeus Rottb. Locality : Zero Ki Chowki, 5217 Locality : Bikaner Ratangarh Road, 5148 Phyllanthus emblica L. Fimbristylis ferugenia L. Locality : Alakhpura, 5306 Locality : Laxmangarh, 5274 Phyllanthus simplex L. Scirpus tuberosus Dest. Locality : Haspura, 5359 Locality : Sikar, 5382 Ricinus communis L. Poaceae Locality : Harsh Parvat, 5011 Acrachne recemosa (Heyne ex Roem & Schult.)Ohwi. Cannabinaceae Locality : Baleshwar, 5221 Cannabis sativa L. Apluda mutica L. Locality : Ganeshwar, 5200 Locality : Harsh Parvat, 5019 Moraceae Aristida adscensionis L. Ficus benghalensis L. Locality : Ganeshwar, 5367 Locality : Sirohi Gaon, 5175 Aristida royleana L. Ficus religiosa L. Locality : Shri Madhopur, 5238 Locality : Fatehpur , 5328 Bambusa vulgaris Schrad. Urticaceae Locality : Mau, 5379 Urtica dioica L. Brachiaria reptans (L.)Gardner & Hubbard. Locality : Sikar City, 5345 Locality : Rewasa, 5054 Gnetaceae Cenchrus ciliaris L. Ephedra ciliate Fisch & Mey. Ex. C.A. May. Locality : Harshgaon, 5007 Locality : Mehroli, 5259 Cenchrus prieurii var. scabra Bhandari Hydrocharitaceae Locality : Kanwat, 5242 Hydrilla verticillata (L.f.) Chloris barbata Sw. Locality : Dhabai Ki Dhani, 5010 Locality : Chorana Ka Bas, 5229 Liliaceae Cymbopogon jwarancusa (Jones)Schult. Aloe barbedensis Mill. Locality : Ganeshwar, 5202 Locality : Palasia, 5158 Dactyloctenium scindicum. Boiss. Aloe vera (L.)Burm f. Locality : Harsh Gaon, 5009 Locality : Alakhpura, 5360 Dichanthium annulatum (Forsk)Stapf. Asparagus racemosus Willd Locality : Neem Ka Thana, 5380 Locality : Haspura, 5247 Digitaria ciliaris (Retz.)Koel. Asphodelus tenuifolius Cav. Locality : Data Ramgarh, 5071 Locality : Ganeshwar, 5207 Digitaria radicosa (Presl.)Miq. Commelinaceae Locality : Neem Ka Thana, 5194 Commelina benghalensis L. Digitaria stricta L. Locality : Neem Ka Thana, 5197 Locality : Bikaner Ratangarh Road, 5150 Commelina erecta L. Echinochloa colona (L.)Link. Locality : Mehroli, 5261 Locality : Mehroli, 5257 Commelina forskalaei Vahl. Enneapogon cenchroides (Lichst.ex Roem & Schult.)C.E. Hubbard. Locality : Reengus, 5267 Locality :Neem Ka Thana , 5381 Arecaceae Eragrostis ciliaris (L.) R.Br. Phoenix sylvestris (L.) Locality : Sri Madhopur, 5236 Roxb.Locality : Zero Ki Chowki, 5218 Eragrostis nutans L. Typhaceae Locality : Mehroli, 5262 Typha angustata Bory & Chaub. Eragrostis tenella(L.)P.Beauv.ex Roem & Schult. Locality : Jangid Ki Shakti Peeth, 5322 Locality : Chirana , 5376 Potamogetonaceae Eragrostis tremula (Lam.)Hochst ex. Steud. Potamogeton amplifolius L. Locality : Ganeshwar, 5206 Locality : Fatehpur , 5361 Heteropogon contortus L. P.Beauv.ex. Roem &Schult. Potamogeton perfoliatus L. Locality : Mehroli, 5263 Locality : Alakhpura, 5320 Ochthochloa compressa (Forsk.)Hilu. Cyperaceae Locality : Mau, 5252 Cyperus alulatus Kern. Oryza rufipogon L. Locality : Sikar City, 5362 Locality : Khatu, 5371 Cyperus arenarius Retz. Panicum antidotale Retz. Locality : Jhunjhnu Road, 5144 Locality : Data Ramgarh, 5073 Cyperus atkinsonii Clarke. Panicum notatum L. Locality : Fatehpur, 5370 Locality : Udaipur Vati Road, 5134 Cyperus difformis L. Panicum trypheron Schult. Locality : Chirana, 5172 Locality : Sikar, 5121 Cyperus laevigatus L. Panicum turgidum forsk. Locality : Ganeshwar, 5369 Locality : Mehroli., 5377

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Paspalidium flavidum (Retz.) A. Camus Monocot families are reported. Out of 76 families Locality : Kailash, 5107 (Angiosperms) recorded from Sikar,10 Pennisetum pedicellatum Trin. predominant families are Poaceae (41 species), Locality : Jhunjhnu Road, 5154 Asteraceae (28 Species) ,Fabaceae (23 Pennisetum typhoides (L.) species)Amaranthaceae (13species), Locality : Chirana, 5173 Caesalpiniaceae(13 species), Malvaceae (13 Perotis indica (L.) O. Ktze. species), Convolvulaceae (12 species), Locality : Palasia, 5159 Cucurbitaceae(10 species),Euphorbiaceae(10 Saccharum benghalense Retz. species)and Solanaceae (9 Species). Locality : Chirana, 5378 Acknowledgements Saccharum spontaneum L. We are grateful to Principal, Govt. Dungar Locality : Dhabai Ki Dhani, 5023 (P.G.) College, Bikaner, for providing lab Setaria intermedia Roem & Schult. facilities. Second author is also thankful to Locality : Fatehpur , 5182 UGC for financial assistance. Setaria verticillata (L.)P. Beauv. References Locality : Neem Ka hana, 5374 1. BHANDARI, M.M. 1995. Flora of the Indian Setaria viridis L. Desert. MPS Repors, Jodhpur. Locality : Raghunath Garh, 5186 2. JAIN, S.K. & R.R. RAO 1976. A Hand-book of Sorghum verticilliflorum (Steud.) Stapf. Field and Herbarium method. Today and Locality : Rashid Pura, 5366 Tomorrow Pub., New Delhi. Sporobolus coromandelianus (Retz.)Kunth. 3. PANDEY, R.P. & V. SINGH 1989. Further contri- Locality : Shri Madhopur, 5239 bution to the flora of , Rajasthan. Tetrapogon tenellus (Koen. Ex. Roxb)Chiov. J. Econ. Taxon. Bot. 13 (1) : pg. 1-9. Locality : Reengus, 5268 4. PARMAR, P.J. & A.N. SINGH 1982. A contri- Tragus roxburghii Panigrahi. bution to the flora of , Locality : Narodara, 5276 Rajasthan. Ibid. 3: pg. 491-516. Pteridaceae 5. PARMAR et al 1985. Studies on the Adiantum capillus-veneris Linn. vegetation of in Rajasthan. Locality : Harshparvat, 5385 J. Econ. Taxon. Bot. 7(1) : pg. 55-67. Actinopteridaceae 6. SHARMA & AGGARWAL, 2008, J. Econ. Taxon. Actinopteris radiata L. Bot. vol 32. pg. 359-374. Locality : Kailash, 5110 7. SHETTY, B.V. & R.P. PANDEY 1983. Flora of Characeae , Rajasthan. BSI, Howrah. Chara zeylenica Willdenow. 8. SHETTY & V.SINGH 1987-93. Flora of Locality : Laxmangarh, 5275 Rajasthan 3 Vols. BSI, Howrah. Results & Discussion 9. SINGH, B.P. & K.B.S. DHILLON 1989. A contri- The total indigenous and widely naturalized bution to the flora of Ganganagar (Rajasthan). J. phytodiversity of Sikar district is comprised of Bombay Nat. Hist. Soc. 81: pg. 473-475. about 355 species belonging to 246 genera 10. SINGH, V. 1983. Flora of , distributed among 80 families in which 1 Rajasthan. BSI, Howrah. Algae,2 Pteridophytes ,1 gymnosperm and 76 11. VYAS, B.L. et al. 1985. A contribution to the Angiosperms are reported in the present study. flora of , Rajasthan. J. Econ. Out of 76 Angiosperm families,68 Dicot and 8 Taxon. Bot. 6: pg. 283-324.

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