| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CHTRH3 | Cheirodendron trigynum (Gaud.) Heller ssp. helleri (Sherff) Lowry | olapalapa | Araliaceae
|
| CHTRT | Cheirodendron trigynum (Gaud.) Heller ssp. trigynum | olapalapa | Araliaceae
|
| CHTRA | Cheirodendron trigynum (Gaud.) Heller var. acuminatum Skottsberg | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRC | Cheirodendron trigynum (Gaud.) Heller var. confertiflorum Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRD | Cheirodendron trigynum (Gaud.) Heller var. degeneri Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRF | Cheirodendron trigynum (Gaud.) Heller var. fosbergii Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRH | Cheirodendron trigynum (Gaud.) Heller var. halawanum Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRH2 | Cheirodendron trigynum (Gaud.) Heller var. hillebrandii Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRI | Cheirodendron trigynum (Gaud.) Heller var. ilicoides Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRM | Cheirodendron trigynum (Gaud.) Heller var. mauiensis Levl. | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRM2 | Cheirodendron trigynum (Gaud.) Heller var. molokaiense Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRO | Cheirodendron trigynum (Gaud.) Heller var. oblongum Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRO2 | Cheirodendron trigynum (Gaud.) Heller var. osteostigma Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRR | Cheirodendron trigynum (Gaud.) Heller var. rockii Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRS | Cheirodendron trigynum (Gaud.) Heller var. skottsbergii Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTRS2 | Cheirodendron trigynum (Gaud.) Heller var. subcordatum Sherff | Cheirodendron trigynum ssp. trigynum | Araliaceae
|
| CHTR2 | Cheirodendron trigynum (Gaud.) Heller | olapalapa | Araliaceae
|
| CHEIR | Cheirodendron Nutt. ex Seem. | cheirodendron | Araliaceae
|
| CHPA14 | Cheiroglossa palmata (L.) K. Presl | hand fern | Ophioglossaceae
|
| CHEIR2 | Cheiroglossa K. Presl | cheiroglossa fern | Ophioglossaceae
|
| CHPL5 | Cheirostemon platanoides Humb. & Bonpl. | Chiranthodendron pentadactylon | Sterculiaceae
|
| CHCO19 | Chelidonium corniculatum L. | Glaucium corniculatum | Papaveraceae
|
| CHMAL | Chelidonium majus L. var. laciniatum (P. Mill.) Syme | celandine | Papaveraceae
|
| CHMAM | Chelidonium majus L. var. majus | celandine | Papaveraceae
|
| CHMAP | Chelidonium majus L. var. plenum Wehrhahn | celandine | Papaveraceae
|
| CHMA2 | Chelidonium majus L. | celandine | Papaveraceae
|
| CHELI | Chelidonium L. | celandine | Papaveraceae
|
| CHCH12 | Chelone chlorantha Pennell & Wherry | Chelone glabra | Scrophulariaceae
|
| CHCU5 | Chelone cuthbertii Small | Cuthbert's turtlehead | Scrophulariaceae
|
| CHGLC2 | Chelone glabra L. var. chlorantha (Pennell & Wherry) Cooperrider | Chelone glabra | Scrophulariaceae
|
| CHGLD | Chelone glabra L. var. dilatata Fern. & Wieg. | Chelone glabra | Scrophulariaceae
|
| CHGLE | Chelone glabra L. var. elatior Raf. | Chelone glabra | Scrophulariaceae
|
| CHGLE2 | Chelone glabra L. var. elongata Pennell & Wherry | Chelone glabra | Scrophulariaceae
|
| CHGLL | Chelone glabra L. var. linifolia Coleman | Chelone glabra | Scrophulariaceae
|
| CHGLO2 | Chelone glabra L. var. ochroleuca Pennell & Wherry | Chelone glabra | Scrophulariaceae
|
| CHGLT2 | Chelone glabra L. var. typica Pennell | Chelone glabra | Scrophulariaceae
|
| CHGL2 | Chelone glabra L. | white turtlehead | Scrophulariaceae
|
| CHGR7 | Chelone grimesii Weatherby | Chelone cuthbertii | Scrophulariaceae
|
| CHLY2 | Chelone lyonii Pursh | pink turtlehead | Scrophulariaceae
|
| CHMO8 | Chelone montana (Raf.) Pennell & Wherry | Chelone glabra | Scrophulariaceae
|
| CHOBE | Chelone obliqua L. var. erwiniae Pennell & Wherry | Erwin's red turtlehead | Scrophulariaceae
|
| CHOBO | Chelone obliqua L. var. obliqua | red turtlehead | Scrophulariaceae
|
| CHOBS | Chelone obliqua L. var. speciosa Pennell & Wherry | red turtlehead | Scrophulariaceae
|
| CHOB3 | Chelone obliqua L. | red turtlehead | Scrophulariaceae
|
| CHELO | Chelone L. | turtlehead | Scrophulariaceae
|
| CHAC3 | Chenopodium acerifolium Andrz. | Chenopodium berlandieri var. zschackii | Chenopodiaceae
|
| CHAL6 | Chenopodium albescens Small | Chenopodium pratericola | Chenopodiaceae
|
| CHALD | Chenopodium album L. ssp. dacoticum Aellen | Chenopodium album var. stevensii | Chenopodiaceae
|
| CHALF | Chenopodium album L. ssp. fallax Aellen | Chenopodium album var. stevensii | Chenopodiaceae
|
| CHALA | Chenopodium album L. var. album | lambsquarters | Chenopodiaceae
|
| CHALB | Chenopodium album L. var. berlandieri (Moq.) Mackenzie & Bush | Chenopodium berlandieri var. berlandieri | Chenopodiaceae
|
| CHALL | Chenopodium album L. var. lanceolatum (Muhl. ex Willd.) Coss. & Germ. | Chenopodium album var. album | Chenopodiaceae
|
| CHALL3 | Chenopodium album L. var. leptophyllum Moq. | Chenopodium leptophyllum | Chenopodiaceae
|
| CHALM | Chenopodium album L. var. microphyllum Boenn. | lambsquarters | Chenopodiaceae
|
| CHALM2 | Chenopodium album L. var. missouriense (Aellen) I.J. Bassett & C.W. Crompton | Missouri lambsquarters | Chenopodiaceae
|
| CHALP | Chenopodium album L. var. polymorphum Aellen | Chenopodium album var. album | Chenopodiaceae
|
| CHALS | Chenopodium album L. var. stevensii Aellen | Stevens' lambsquarters | Chenopodiaceae
|
| CHALS2 | Chenopodium album L. var. striatum (Krasan) Kartesz, comb. nov. ined. | lateflowering goosefoot | Chenopodiaceae
|
| CHALV | Chenopodium album L. var. viride (L.) Moq. | Chenopodium opulifolium | Chenopodiaceae
|
| CHAL7 | Chenopodium album L. | lambsquarters | Chenopodiaceae
|
| CHAM4 | Chenopodium amaranticolor Coste & Reyn. | Chenopodium album var. album | Chenopodiaceae
|
| CHAME | Chenopodium ambrosioides L. ssp. euambrosioides Aellen | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAMA16 | Chenopodium ambrosioides L. var. ambrosioides | Mexican tea | Chenopodiaceae
|
| CHAMA13 | Chenopodium ambrosioides L. var. anthelminticum (L.) Aellen | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAMA14 | Chenopodium ambrosioides L. var. anthelminticum (L.) Gray | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAMC | Chenopodium ambrosioides L. var. chilense (Schrad.) Speg. | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAMO2 | Chenopodium ambrosioides L. var. obovatum Speg. | Mexican tea | Chenopodiaceae
|
| CHAMT | Chenopodium ambrosioides L. var. typicum (Speg.) Aellen | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAMV | Chenopodium ambrosioides L. var. vagans (Standl.) J.T. Howell | Chenopodium ambrosioides var. ambrosioides | Chenopodiaceae
|
| CHAM | Chenopodium ambrosioides L. | Mexican tea | Chenopodiaceae
|
| CHAR14 | Chenopodium aridum A. Nels. | Chenopodium atrovirens | Chenopodiaceae
|
| CHAR16 | Chenopodium aristatum L. | wormseed | Chenopodiaceae
|
| CHAR15 | Chenopodium arizonicum Standl. | Chenopodium neomexicanum var. neomexicanum | Chenopodiaceae
|
| CHAT | Chenopodium atrovirens Rydb. | pinyon goosefoot | Chenopodiaceae
|
| CHBEN | Chenopodium berlandieri Moq. ssp. nuttalliae (Safford) H. D. Wilson & Heiser | Nuttall's goosefoot | Chenopodiaceae
|
| CHBEP2 | Chenopodium berlandieri Moq. ssp. platyphyllum (Issler) Ludwig | Chenopodium berlandieri var. zschackii | Chenopodiaceae
|
| CHBEP | Chenopodium berlandieri Moq. ssp. pseudopetiolare Aellen | Chenopodium berlandieri var. sinuatum | Chenopodiaceae
|
| CHBEZ3 | Chenopodium berlandieri Moq. ssp. zschackii (J. Murr) Zobel | Chenopodium berlandieri var. zschackii | Chenopodiaceae
|
| CHBEB2 | Chenopodium berlandieri Moq. var. berlandieri | pitseed goosefoot | Chenopodiaceae
|
| CHBEB | Chenopodium berlandieri Moq. var. boscianum (Moq.) H.A. Wahl | pitseed goosefoot | Chenopodiaceae
|
| CHBEB3 | Chenopodium berlandieri Moq. var. bushianum (Aellen) Cronq. | Bush's goosefoot | Chenopodiaceae
|
| CHBEF | Chenopodium berlandieri Moq. var. farinosum (Ludwig) Aellen | Chenopodium berlandieri var. zschackii | Chenopodiaceae
|
| CHBEM | Chenopodium berlandieri Moq. var. macrocalycium (Aellen) Cronq. | pitseed goosefoot | Chenopodiaceae
|
| CHBES | Chenopodium berlandieri Moq. var. sinuatum (J. Murr) H.A. Wahl | pitseed goosefoot | Chenopodiaceae
|
| CHBEZ | Chenopodium berlandieri Moq. var. zschackii (J. Murr) J. Murr ex Aschers. | Zschack's goosefoot | Chenopodiaceae
|
| CHBE4 | Chenopodium berlandieri Moq. | pitseed goosefoot | Chenopodiaceae
|
| CHBO | Chenopodium bonus-henricus L. | good King Henry | Chenopodiaceae
|
| CHBO9 | Chenopodium boscianum Moq. | Chenopodium berlandieri var. boscianum | Chenopodiaceae
|
| CHBO6 | Chenopodium botryodes Sm. | Chenopodium chenopodioides | Chenopodiaceae
|
| CHBO2 | Chenopodium botrys L. | Jerusalem oak goosefoot | Chenopodiaceae
|
| CHBUA | Chenopodium bushianum Aellen var. acutidentatum Aellen | Chenopodium berlandieri var. bushianum | Chenopodiaceae
|
| CHBU | Chenopodium bushianum Aellen | Chenopodium berlandieri var. bushianum | Chenopodiaceae
|
| CHCA3 | Chenopodium californicum (S. Wats.) S. Wats. | California goosefoot | Chenopodiaceae
|
| CHCAP4 | Chenopodium capitatum (L.) Ambrosi var. parvicapitatum Welsh | Chenopodium foliosum | Chenopodiaceae
|
| CHCA4 | Chenopodium capitatum (L.) Ambrosi | blite goosefoot | Chenopodiaceae
|
| CHCA23 | Chenopodium carinatum auct. non R. Br. | Chenopodium pumilio | Chenopodiaceae
|
| CHCAP | Chenopodium carnosulum Moq. var. patagonicum (Phil.) H.A. Wahl | ridged goosefoot | Chenopodiaceae
|
| CHCA12 | Chenopodium carnosulum Moq. | ridged goosefoot | Chenopodiaceae
|
| CHCHD | Chenopodium chenopodioides (L.) Aellen var. degenianum (Aellen) Aellen | Chenopodium chenopodioides | Chenopodiaceae
|
| CHCHL | Chenopodium chenopodioides (L.) Aellen var. lengyelianum (Aellen) Aellen | Chenopodium chenopodioides | Chenopodiaceae
|
| CHCH | Chenopodium chenopodioides (L.) Aellen | low goosefoot | Chenopodiaceae
|