| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CUDED | Cuscuta denticulata Engelm. var. denticulata | desert dodder | Cuscutaceae
|
| CUDEV | Cuscuta denticulata Engelm. var. vetchii (Brandeg.) T. Beliz | Vetch's dodder | Cuscutaceae
|
| CUDE2 | Cuscuta denticulata Engelm. | desert dodder | Cuscutaceae
|
| CUEP2 | Cuscuta epilinum Weihe | flax dodder | Cuscutaceae
|
| CUEPA | Cuscuta epithymum (L.) L. ssp. approximata (Bab.) Rouy | Cuscuta approximata | Cuscutaceae
|
| CUEP | Cuscuta epithymum (L.) L. | clover dodder | Cuscutaceae
|
| CUER | Cuscuta erosa Yuncker | Sonoran dodder | Cuscutaceae
|
| CUEU | Cuscuta europaea L. | greater dodder | Cuscutaceae
|
| CUEX | Cuscuta exaltata Engelm. | tall dodder | Cuscutaceae
|
| CUFA | Cuscuta fasciculata Yuncker | clustered dodder | Cuscutaceae
|
| CUGLP | Cuscuta glabrior (Engelm.) Yuncker var. pubescens (Engelm.) Yuncker | Cuscuta pentagona var. pubescens | Cuscutaceae
|
| CUGL2 | Cuscuta glabrior (Engelm.) Yuncker | Cuscuta pentagona var. glabrior | Cuscutaceae
|
| CUGL7 | Cuscuta glandulosa (Engelm.) Small | Cuscuta obtusiflora var. glandulosa | Cuscutaceae
|
| CUGL5 | Cuscuta globulosa Benth. | West Indian dodder | Cuscutaceae
|
| CUGL3 | Cuscuta glomerata Choisy | rope dodder | Cuscutaceae
|
| CUGRC | Cuscuta gronovii Willd. ex J.A. Schultes var. calyptrata Engelm. | scaldweed | Cuscutaceae
|
| CUGRC2 | Cuscuta gronovii Willd. ex J.A. Schultes var. curta Engelm. | Cuscuta megalocarpa | Cuscutaceae
|
| CUGRG | Cuscuta gronovii Willd. ex J.A. Schultes var. gronovii | scaldweed | Cuscutaceae
|
| CUGRL | Cuscuta gronovii Willd. ex J.A. Schultes var. latiflora Engelm. | Cuscuta gronovii var. gronovii | Cuscutaceae
|
| CUGRS | Cuscuta gronovii Willd. ex J.A. Schultes var. saururi (Engelm.) MacM. | Cuscuta gronovii var. gronovii | Cuscutaceae
|
| CUGR | Cuscuta gronovii Willd. ex J.A. Schultes | scaldweed | Cuscutaceae
|
| CUHA | Cuscuta harperi Small | Harper's dodder | Cuscutaceae
|
| CUHO | Cuscuta howelliana Rubtzoff | Boggs Lake dodder | Cuscutaceae
|
| CUINB | Cuscuta indecora Choisy var. bifida Yuncker | bigseed alfalfa dodder | Cuscutaceae
|
| CUINI | Cuscuta indecora Choisy var. indecora | bigseed alfalfa dodder | Cuscutaceae
|
| CUINL | Cuscuta indecora Choisy var. longisepala Yuncker | bigseed dodder | Cuscutaceae
|
| CUINN | Cuscuta indecora Choisy var. neuropetala (Engelm.) A.S. Hitchc. | bigseed dodder | Cuscutaceae
|
| CUINW | Cuscuta indecora Choisy var. warneri (Yuncker) T. Beliz, comb. nov. ined. | Cuscuta warneri | Cuscutaceae
|
| CUIN | Cuscuta indecora Choisy | bigseed alfalfa dodder | Cuscutaceae
|
| CUJA | Cuscuta japonica Choisy | Japanese dodder | Cuscutaceae
|
| CUJE | Cuscuta jepsonii Yunker | Cuscuta indecora var. indecora | Cuscutaceae
|
| CULE | Cuscuta leptantha Engelm. | slender dodder | Cuscutaceae
|
| CUME4 | Cuscuta megalocarpa Rydb. | bigfruit dodder | Cuscutaceae
|
| CUMI2 | Cuscuta mitriformis Engelm. | Cochise dodder | Cuscutaceae
|
| CUNE | Cuscuta nevadensis I.M. Johnston | Cuscuta denticulata var. vetchii | Cuscutaceae
|
| CUOBG | Cuscuta obtusiflora Kunth var. glandulosa Engelm. | Peruvian dodder | Cuscutaceae
|
| CUOB | Cuscuta obtusiflora Kunth | Peruvian dodder | Cuscutaceae
|
| CUOC | Cuscuta occidentalis Millsp. | Cuscuta californica var. breviflora | Cuscutaceae
|
| CUOD | Cuscuta odontolepis Engelm. | Santa Rita Mountain dodder | Cuscutaceae
|
| CUPEC2 | Cuscuta pentagona Engelm. var. calycina Engelm. | Cuscuta pentagona var. pentagona | Cuscutaceae
|
| CUPEG | Cuscuta pentagona Engelm. var. glabrior (Engelm.) Gandhi, Thomas & Hatch | bushclover dodder | Cuscutaceae
|
| CUPEP2 | Cuscuta pentagona Engelm. var. pentagona | fiveangled dodder | Cuscutaceae
|
| CUPEP3 | Cuscuta pentagona Engelm. var. pubescens (Engelm.) Yuncker | bushclover dodder | Cuscutaceae
|
| CUPE3 | Cuscuta pentagona Engelm. | fiveangled dodder | Cuscutaceae
|
| CUPL2 | Cuscuta planiflora Ten. | Cuscuta approximata | Cuscutaceae
|
| CUPL | Cuscuta plattensis A. Nels. | prairie dodder | Cuscutaceae
|
| CUPO | Cuscuta polygonorum Engelm. | smartweed dodder | Cuscutaceae
|
| CUPOG | Cuscuta potosina Schaffn. var. globifera Yuncker | globe dodder | Cuscutaceae
|
| CUPO2 | Cuscuta potosina Schaffn. | globe dodder | Cuscutaceae
|
| CURE | Cuscuta reflexa Roxb. | giant dodder | Cuscutaceae
|
| CURO | Cuscuta rostrata Shuttlw. ex Engelm. & Gray | beaked dodder | Cuscutaceae
|
| CURU | Cuscuta runyonii Yuncker | Runyon's dodder | Cuscutaceae
|
| CUSAM | Cuscuta salina Engelm. var. major Yuncker | goldenthread | Cuscutaceae
|
| CUSAP | Cuscuta salina Engelm. var. papillata Yuncker | goldenthread | Cuscutaceae
|
| CUSAS | Cuscuta salina Engelm. var. salina | saltmarsh dodder | Cuscutaceae
|
| CUSA | Cuscuta salina Engelm. | saltmarsh dodder | Cuscutaceae
|
| CUSAK | Cuscuta sandwichiana Choisy var. kailuana Yuncker | Cuscuta sandwichiana | Cuscutaceae
|
| CUSA2 | Cuscuta sandwichiana Choisy | kauna'oa | Cuscutaceae
|
| CUSQ | Cuscuta squamata Engelm. | scaleflower dodder | Cuscutaceae
|
| CUSU | Cuscuta suaveolens Ser. | fringed dodder | Cuscutaceae
|
| CUSU4 | Cuscuta subinclusa Dur. & Hilg. | Cuscuta ceanothi | Cuscutaceae
|
| CUSUS | Cuscuta suksdorfii Yuncker var. subpedicellata Yuncker | mountain dodder | Cuscutaceae
|
| CUSUS2 | Cuscuta suksdorfii Yuncker var. suksdorfii | mountain dodder | Cuscutaceae
|
| CUSU3 | Cuscuta suksdorfii Yuncker | mountain dodder | Cuscutaceae
|
| CUTU | Cuscuta tuberculata Brandeg. | tubercle dodder | Cuscutaceae
|
| CUUMR | Cuscuta umbellata Kunth var. reflexa (Coult.) Yuncker | Cuscuta umbellata | Cuscutaceae
|
| CUUM | Cuscuta umbellata Kunth | flatglobe dodder | Cuscutaceae
|
| CUUM2 | Cuscuta umbrosa auct. non Bey. ex Hook. | Cuscuta gronovii var. gronovii | Cuscutaceae
|
| CUVE | Cuscuta vetchii Brandeg. | Cuscuta denticulata var. vetchii | Cuscutaceae
|
| CUVI2 | Cuscuta vivipara T. Beliz, sp. nov. ined. | lovevine | Cuscutaceae
|
| CUWA2 | Cuscuta warneri Yuncker | Warner's dodder | Cuscutaceae
|
| CUSCU | Cuscuta L. | dodder | Cuscutaceae
|
| CUDO3 | Cusickiella douglasii (Gray) Rollins | alkali cusickiella | Brassicaceae
|
| CUQU | Cusickiella quadricostata (Rollins) Rollins | Bodie Hills cusickiella | Brassicaceae
|
| CUSIC | Cusickiella Rollins | cusickiella | Brassicaceae
|
| CUFE | Cusparia febrifuga Humb. ex DC. | cusparia | Rutaceae
|
| CUTR3 | Cusparia trifoliata Engler | Cusparia febrifuga | Rutaceae
|
| CUSPA | Cusparia Humb. ex R. Br. | cusparia | Rutaceae
|
| CUME2 | Cutandia memphitica (Spreng.) Benth. | Memphisgrass | Poaceae
|
| CUTAN | Cutandia Willk. | Memphisgrass | Poaceae
|
| CUGR2 | Cuthbertia graminea Small | Callisia graminea | Commelinaceae
|
| CUOR2 | Cuthbertia ornata Small | Callisia ornata | Commelinaceae
|
| CURO2 | Cuthbertia rosea (Vent.) Small | Callisia rosea | Commelinaceae
|
| CYPS2 | Cyamopsis psoralioides DC. | Cyamopsis tetragonoloba | Fabaceae
|
| CYTE11 | Cyamopsis tetragonoloba (L.) Taubert | guar | Fabaceae
|
| CYAMO | Cyamopsis DC. | cyamopsis | Fabaceae
|
| CYAC4 | Cyanea aculeatiflora Rock | Haleakala cyanea | Campanulaceae
|
| CYACC | Cyanea acuminata (Gaud.) Hbd. var. calycina Hosaka | Cyanea acuminata | Campanulaceae
|
| CYAC5 | Cyanea acuminata (Gaud.) Hbd. | Honolulu cyanea | Campanulaceae
|
| CYANH | Cyanea angustifolia (Cham.) Hbd. var. hillebrandii Rock | Cyanea elliptica | Campanulaceae
|
| CYANI | Cyanea angustifolia (Cham.) Hbd. var. isabella F. Wimmer | Cyanea elliptica | Campanulaceae
|
| CYANL | Cyanea angustifolia (Cham.) Hbd. var. lanaiensis Rock | Cyanea elliptica | Campanulaceae
|
| CYANR | Cyanea angustifolia (Cham.) Hbd. var. racemosa Hbd. | Cyanea angustifolia | Campanulaceae
|
| CYANT | Cyanea angustifolia (Cham.) Hbd. var. tomentella Hbd. | Cyanea elliptica | Campanulaceae
|
| CYAN6 | Cyanea angustifolia (Cham.) Hbd. | 'aku | Campanulaceae
|
| CYARP | Cyanea arborea Hbd. var. pycnocarpa Hbd. | Cyanea pycnocarpa | Campanulaceae
|
| CYAR10 | Cyanea arborea Hbd. | palmtree cyanea | Campanulaceae
|
| CYAS | Cyanea asarifolia St. John | gingerleaf cyanea | Campanulaceae
|
| CYAS2 | Cyanea aspleniifolia (Mann) Hbd. | spleenwort cyanea | Campanulaceae
|
| CYATL | Cyanea atra Hbd. var. lobata Rock | Cyanea macrostegia ssp. macrostegia | Campanulaceae
|
| CYAT3 | Cyanea atra Hbd. | Cyanea macrostegia ssp. macrostegia | Campanulaceae
|