Citrus limetta is a species of citrus. Common names for varieties of this species include sweet limetta, Mediterranean sweet lemon, sweet lemon, sweet lime and orange. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida- Dicots Liliopsida- Monocots The flowering plants (also called angiosperms) are a major group of land plants. ... Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves An example of a trimerous and non-eudicot flower: Magnolia Dicotyledons or dicots are a group of flowering plants whose seed typically contains two embryonic leaves or cotyledons. ... Orders See text The botanical Sub-class Rosidae is a large dicotyledonous flowering plant taxon, containing over 58,000 species grouped within 108 families. ... Families See text Sapindales is a botanical name for an order of flowering plants. ... Genera About 160 genera; selected important genera: Amyris - West Indian Sandalwood Choisya - Mexican orange Citrus - Citrus Dictamnus - Burning-bush Fortunella - Kumquat Melicope - Corkwood, Alani Murraya - Curry tree Phellodendron - Cork-trees Poncirus - Trifoliate orange Ptelea - Hoptree Ruta - Rue Skimmia - Skimmia Tetradium (Euodia) - Euodias Zanthoxylum - Toothache trees Rutaceae is a family of... Species & major hybrids Species Citrus maxima- Pomelo Citrus medica- Citron Citrus reticulata- Mandarin & Tangerine Major hybrids Citrus × sinensis- Sweet Orange Citrus × aurantium- Bitter Orange Citrus × paradisi- Grapefruit Citrus × limon- Lemon Citrus × latifolia- Persian lime Citrus × aurantifolia- Key lime See also main text for other hybrids Citrus is a common term... In biology, binomial nomenclature is the formal method of naming species. ... Species & major hybrids Species Citrus maxima- Pomelo Citrus medica- Citron Citrus reticulata- Mandarin & Tangerine Major hybrids Citrus × sinensis- Sweet Orange Citrus × aurantium- Bitter Orange Citrus × paradisi- Grapefruit Citrus × limon- Lemon Citrus × latifolia- Persian lime Citrus × aurantifolia- Key lime See also main text for other hybrids Citrus is a common term...