Families, genera and species in Maryland Source: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 24 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

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Select a Family	Select a Genus	Species
Malvaceae Pinaceae Fabaceae Euphorbiaceae Aceraceae Asteraceae Amaranthaceae Lamiaceae Ranunculaceae Acoraceae Pteridaceae Fumariaceae Poaceae Apiaceae Hippocastanaceae Scrophulariaceae Rosaceae Caryophyllaceae Simaroubaceae Lardizabalaceae Liliaceae Alismataceae Brassicaceae Betulaceae Lythraceae Vitaceae Apocynaceae Primulaceae Boraginaceae Orchidaceae Araliaceae Papaveraceae Araceae Aristolochiaceae Asclepiadaceae Annonaceae Rubiaceae Aspleniaceae Saxifragaceae Dryopteridaceae Chenopodiaceae Azollaceae Gentianaceae Iridaceae Berberidaceae Rhamnaceae Bignoniaceae Urticaceae Nyctaginaceae Ophioglossaceae Cabombaceae Moraceae Buddlejaceae Cyperaceae Verbenaceae Commelinaceae Callitrichaceae Calycanthaceae Convolvulaceae Campanulaceae Cannabaceae Solanaceae Juglandaceae Fagaceae Celastraceae Ulmaceae Ceratophyllaceae Cupressaceae Ericaceae Onagraceae Pyrolaceae Oleaceae Cucurbitaceae Portulacaceae Capparaceae Clethraceae Santalaceae Myricaceae Orobanchaceae Cornaceae Anacardiaceae Crassulaceae Cuscutaceae Dennstaedtiaceae Hydrangeaceae Caprifoliaceae Dioscoreaceae Ebenaceae Dipsacaceae Thymelaeaceae Droseraceae Hydrocharitaceae Elaeagnaceae Elatinaceae Hydrophyllaceae Equisetaceae Eriocaulaceae Geraniaceae Polygonaceae Sterculiaceae Limnanthaceae Hamamelidaceae Cistaceae Pontederiaceae Lycopodiaceae Violaceae Clusiaceae Aquifoliaceae Balsaminaceae Polemoniaceae Isoetaceae Grossulariaceae Juncaceae Acanthaceae Zygophyllaceae Sapindaceae Haemodoraceae Lemnaceae Plumbaginaceae Lauraceae Linaceae Magnoliaceae Lygodiaceae Agavaceae Marsileaceae Menispermaceae Menyanthaceae Molluginaceae Monotropaceae Haloragaceae Najadaceae Nelumbonaceae Nymphaeaceae Cactaceae Osmundaceae Oxalidaceae Buxaceae Passifloraceae Thelypteridaceae Arecaceae Viscaceae Phytolaccaceae Plantaginaceae Platanaceae Polypodiaceae Podostemaceae Polygalaceae Rutaceae Salicaceae Potamogetonaceae Pedaliaceae Resedaceae Melastomataceae Ruppiaceae Salviniaceae Sarraceniaceae Saururaceae Selaginellaceae Aizoaceae Sapotaceae Smilacaceae Sparganiaceae Loganiaceae Staphyleaceae Symplocaceae Taxaceae Tiliaceae Bromeliaceae Meliaceae Trapaceae Hymenophyllaceae Juncaginaceae Typhaceae Lentibulariaceae Valerianaceae Vittariaceae Blechnaceae Xyridaceae Zannichelliaceae Zosteraceae	Agrostemma Arenaria Cerastium Corrigiola Dianthus Gypsophila Herniaria Holosteum Honckenya Lychnis Minuartia Moehringia Moenchia Myosoton Paronychia Petrorhagia Sagina Saponaria Scleranthus Silene Spergula Spergularia Stellaria Vaccaria	1) Cerastium arvense L. 2) Cerastium arvense L. ssp. strictum (L.) Ugborogho 3) Cerastium arvense L. ssp. velutinum (Raf.) Ugborogho 4) Cerastium arvense L. ssp. velutinum (Raf.) Ugborogho var. velutinum (Raf.) Britton 5) Cerastium fontanum Baumg. 6) Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet 7) Cerastium glomeratum Thuill. 8) Cerastium nutans Raf. 9) Cerastium nutans Raf. var. nutans 10) Cerastium pumilum W. Curtis 11) Cerastium semidecandrum L.
Pictures: genus Cerastium (Maryland): Cerastium arvense USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 49. - Views: 518 Cerastium arvense � 2009 Franco Rossi - Views: 510 Cerastium arvense NPS Photo - Bryan Harry - 1965 - Public domain image. - Views: 557 Cerastium arvense ssp. velutinum var. velutinum USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 49. - Views: 105 Cerastium arvense ssp. velutinum var. velutinum USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 49. - Views: 117 Cerastium fontanum � 2012 Mirna ed Attilio Marzorati - Views: 361 Cerastium fontanum � 2012 Mirna ed Attilio Marzorati - Views: 393 Cerastium fontanum � 2012 Mirna ed Attilio Marzorati - Views: 361 Cerastium fontanum ssp. vulgare Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image - Views: 99 Cerastium fontanum ssp. vulgare USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 48. - Views: 111 Cerastium glomeratum Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Talmassons, azienda agricola., UD, Friuli Venezia Giulia, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License - Views: 697 Cerastium glomeratum Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Talmassons, azienda agricola., UD, Friuli Venezia Giulia, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License - Views: 703 Cerastium glomeratum USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 47. - Views: 698 Cerastium nutans var. nutans USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 48. - Views: 121 Cerastium pumilum � 2010 Enzo De Santis - Views: 346 Cerastium pumilum Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Trieste, Monte Valerio, presso il campus universitario., TS, FVG, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License - Views: 418 Cerastium pumilum � 2010 Enzo De Santis - Views: 374 Cerastium semidecandrum � 2011 Franco Giordana - Views: 411 Cerastium semidecandrum USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 47. - Views: 450 Cerastium semidecandrum Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License - Views: 440