| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ALTU | Allium tuolumnense (Ownbey & Aase) S. Denison & McNeal | Rawhide HIll onion | Liliaceae
|
| ALUN | Allium unifolium Kellogg | oneleaf onion | Liliaceae
|
| ALUR | Allium ursinum L. | bear garlic | Liliaceae
|
| ALVA | Allium validum S. Wats. | Pacific onion | Liliaceae
|
| ALVA4 | Allium vancouverense Macoun | Allium crenulatum | Liliaceae
|
| ALVIP2 | Allium victorialis L. ssp. platyphyllum Hult�n | Allium victorialis | Liliaceae
|
| ALVI3 | Allium victorialis L. | victory onion | Liliaceae
|
| ALVIC3 | Allium vineale L. ssp. compactum (Thuill.) Coss. & Germ. | compact onion | Liliaceae
|
| ALVIV | Allium vineale L. ssp. vineale | wild garlic | Liliaceae
|
| ALVIC4 | Allium vineale L. var. compactum (Thuill.) Aschers. | Allium vineale ssp. compactum | Liliaceae
|
| ALVI | Allium vineale L. | wild garlic | Liliaceae
|
| ALWA | Allium watsonii T.J. Howell | Allium crenulatum | Liliaceae
|
| ALYO | Allium yosemitense Eastw. | Yosemite onion | Liliaceae
|
| ALZE2 | Allium zenobine Cory | Allium canadense var. mobilense | Liliaceae
|
| ALLIU | Allium L. | onion | Liliaceae
|
| ALAC5 | Allocarya acanthocarpa Piper | Plagiobothrys acanthocarpus | Boraginaceae
|
| ALAU3 | Allocarya austiniae Greene | Plagiobothrys austiniae | Boraginaceae
|
| ALBR11 | Allocarya bracteata T.J. Howell | Plagiobothrys bracteatus var. bracteatus | Boraginaceae
|
| ALCAM3 | Allocarya californica (Fisch. & C.A. Mey.) Greene var. minuta (Piper) Jepson & Hoover | Plagiobothrys collinus var. californicus | Boraginaceae
|
| ALCA10 | Allocarya californica (Fisch. & C.A. Mey.) Greene | Plagiobothrys scouleri var. scouleri | Boraginaceae
|
| ALCHH | Allocarya chorisiana (Cham.) Greene var. hickmanii (Greene) Jepson | Plagiobothrys chorisianus var. hickmanii | Boraginaceae
|
| ALCH3 | Allocarya chorisiana (Cham.) Greene | Plagiobothrys chorisianus var. chorisianus | Boraginaceae
|
| ALCO10 | Allocarya cognata Greene | Plagiobothrys scouleri var. hispidulus | Boraginaceae
|
| ALCO9 | Allocarya cooperi Greene | Plagiobothrys collinus var. californicus | Boraginaceae
|
| ALCU2 | Allocarya cusickii Greene | Plagiobothrys scouleri var. cusickii | Boraginaceae
|
| ALDI6 | Allocarya diffusa Greene | Plagiobothrys torreyi var. diffusus | Boraginaceae
|
| ALFI7 | Allocarya figurata Piper | Plagiobothrys figuratus ssp. figuratus | Boraginaceae
|
| ALGL12 | Allocarya glaber (Gray) J.F. Macbr. | Plagiobothrys glaber | Boraginaceae
|
| ALGLM | Allocarya glyptocarpa Piper ssp. modesta (I.M. Johnston) Abrams | Plagiobothrys glyptocarpus var. modestus | Boraginaceae
|
| ALGL13 | Allocarya glyptocarpa Piper | Plagiobothrys glyptocarpus var. glyptocarpus | Boraginaceae
|
| ALGR4 | Allocarya granulata Piper | Plagiobothrys scouleri var. scouleri | Boraginaceae
|
| ALGR3 | Allocarya greenei (Gray) Greene | Plagiobothrys greenei | Boraginaceae
|
| ALHIC | Allocarya hirta Greene ssp. corallicarpa (Piper) Abrams | Plagiobothrys figuratus ssp. corallicarpus | Boraginaceae
|
| ALHI4 | Allocarya hirta Greene | Plagiobothrys hirtus | Boraginaceae
|
| ALHI5 | Allocarya hispidula Greene | Plagiobothrys scouleri var. hispidulus | Boraginaceae
|
| ALHU4 | Allocarya humistrata Greene | Plagiobothrys humistratus | Boraginaceae
|
| ALHY2 | Allocarya hystricula Piper | Plagiobothrys hystriculus | Boraginaceae
|
| ALLA7 | Allocarya lamprocarpa Piper | Plagiobothrys lamprocarpus | Boraginaceae
|
| ALLE4 | Allocarya leptoclada Greene | Plagiobothrys leptocladus | Boraginaceae
|
| ALLI | Allocarya lithocarya Greene ex Gray | Plagiobothrys lithocaryus | Boraginaceae
|
| ALMOV | Allocarya mollis (Gray) Greene var. vestita (Greene) Jepson | Plagiobothrys mollis var. vestitus | Boraginaceae
|
| ALMO5 | Allocarya mollis (Gray) Greene | Plagiobothrys mollis var. mollis | Boraginaceae
|
| ALSA7 | Allocarya salsa Brandeg. | Plagiobothrys salsus | Boraginaceae
|
| ALSC7 | Allocarya scopulorum Greene | Plagiobothrys scouleri var. hispidulus | Boraginaceae
|
| ALSC9 | Allocarya scouleri (Hook. & Arn.) Greene | Plagiobothrys scouleri var. scouleri | Boraginaceae
|
| ALSC8 | Allocarya scripta Greene | Plagiobothrys scriptus | Boraginaceae
|
| ALSTM | Allocarya stipitata Greene ssp. micrantha Piper | Plagiobothrys stipitatus var. micranthus | Boraginaceae
|
| ALST6 | Allocarya stipitata Greene | Plagiobothrys stipitatus var. stipitatus | Boraginaceae
|
| ALST7 | Allocarya stricta Greene | Plagiobothrys strictus | Boraginaceae
|
| ALTE5 | Allocarya tener Greene | Plagiobothrys tener var. tener | Boraginaceae
|
| ALTR9 | Allocarya trachycarpa (Gray) Greene | Plagiobothrys trachycarpus | Boraginaceae
|
| ALUN2 | Allocarya undulata Piper | Plagiobothrys chorisianus var. undulatus | Boraginaceae
|
| ALOA | Allocetraria oaksiana (Tuck.) Randlane & Thell | | Parmeliaceae
|
| ALLOC | Allocetraria Kurokawa & Lai | allocetraria | Parmeliaceae
|
| ALTE3 | Allolepis texana (Vasey) S�derstrom & Decker | Texas salt | Poaceae
|
| ALLOL | Allolepis S�derstrom & Decker | Texas salt | Poaceae
|
| ALDI4 | Allophyllum divaricatum (Nutt.) A.& V. Grant | purple false gilyflower | Polemoniaceae
|
| ALGIG | Allophyllum gilioides (Benth.) A.& V. Grant ssp. gilioides | dense false gilyflower | Polemoniaceae
|
| ALGIV | Allophyllum gilioides (Benth.) A.& V. Grant ssp. violaceum (Heller) Day | dense false gilyflower | Polemoniaceae
|
| ALGI | Allophyllum gilioides (Benth.) A.& V. Grant | dense false gilyflower | Polemoniaceae
|
| ALGL3 | Allophyllum glutinosum (Benth.) A.& V. Grant | sticky false gilyflower | Polemoniaceae
|
| ALIN3 | Allophyllum integrifolium (Brand) A.& V. Grant | white false gilyflower | Polemoniaceae
|
| ALVI4 | Allophyllum violaceum (Heller) A.& V. Grant | Allophyllum gilioides ssp. violaceum | Polemoniaceae
|
| ALLOP2 | Allophyllum (Nutt.) A.& V. Grant | false gilyflower | Polemoniaceae
|
| ALCR9 | Allophylus crassinervis Radlk. | palo blanco | Sapindaceae
|
| ALOC3 | Allophylus occidentalis (Sw.) Radlk. | Allophylus racemosus | Sapindaceae
|
| ALRA | Allophylus racemosus Sw. | palo de caja | Sapindaceae
|
| ALLOP | Allophylus L. | allophylus | Sapindaceae
|
| ALAM8 | Alloplectus ambiguus Urban | Columnea ambigua | Gesneriaceae
|
| ALPY | Allosidastrum pyramidatum (Desportes ex Cav.) Krapov., Fryxell & Bates | mock fanpetals | Malvaceae
|
| ALLOS | Allosidastrum (Hochr.) Krapov., Fryxell & Bates | mock fanpetals | Malvaceae
|
| ALCI3 | Alloteropsis cimicina (L.) Stapf | summergrass | Poaceae
|
| ALLOT2 | Alloteropsis J. Presl | summergrass | Poaceae
|
| ALVI2 | Allotropa virgata Torr. & Gray ex Gray | sugarstick | Monotropaceae
|
| ALLOT | Allotropa Torr. & Gray | sugarstick | Monotropaceae
|
| ALHO4 | Allowissadula holosericea (Scheele) Bates | Chisos Mountain false Indianmallow | Malvaceae
|
| ALLO2 | Allowissadula lozanii (Rose) Bates | Lozano's false Indianmallow | Malvaceae
|
| ALLOW | Allowissadula Bates | false Indianmallow | Malvaceae
|
| ALPA14 | Almutaster pauciflorus (Nutt.) A.& D. L�ve | alkalai marsh aster | Asteraceae
|
| ALMUT2 | Almutaster A.& D. L�ve | alkalai marsh aster | Asteraceae
|
| ALAL9 | Alnus alnobetula (Ehrh.) K. Koch p.p. | Alnus viridis ssp. sinuata | Betulaceae
|
| ALAL7 | Alnus alnus (L.) Britt. | Alnus glutinosa | Betulaceae
|
| ALCRL | Alnus crispa (Ait.) Pursh ssp. laciniata Hult�n | Alnus viridis ssp. sinuata | Betulaceae
|
| ALCRS | Alnus crispa (Ait.) Pursh ssp. sinuata (Regel) Hult�n | Alnus viridis ssp. sinuata | Betulaceae
|
| ALCRE | Alnus crispa (Ait.) Pursh var. elongata Raup | Alnus viridis ssp. crispa | Betulaceae
|
| ALCRM | Alnus crispa (Ait.) Pursh var. mollis (Fern.) Fern. | Alnus viridis ssp. crispa | Betulaceae
|
| ALCR6 | Alnus crispa (Ait.) Pursh | Alnus viridis ssp. crispa | Betulaceae
|
| ALFA4 | Alnus �fallacina Callier | | Betulaceae
|
| ALGL2 | Alnus glutinosa (L.) Gaertn. | European alder | Betulaceae
|
| ALHU3 | Alnus �hultenii Murai p.p. | Alnus viridis ssp. crispa | Betulaceae
|
| ALINR | Alnus incana (L.) Moench ssp. rugosa (Du Roi) Clausen | speckled alder | Betulaceae
|
| ALINT | Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung | thinleaf alder | Betulaceae
|
| ALINA | Alnus incana (L.) Moench var. americana Regel | Alnus incana ssp. rugosa | Betulaceae
|
| ALINO | Alnus incana (L.) Moench var. occidentalis (Dippel) C.L. Hitchc. | Alnus incana ssp. tenuifolia | Betulaceae
|
| ALINS | Alnus incana (L.) Moench var. serrulata (Ait.) Boivin | Alnus serrulata | Betulaceae
|
| ALINV | Alnus incana (L.) Moench var. virescens S. Wats. | Alnus incana ssp. tenuifolia | Betulaceae
|
| ALIN2 | Alnus incana (L.) Moench | gray alder | Betulaceae
|
| ALMAM3 | Alnus maritima (Marsh.) Muhl. ex Nutt. ssp. metoporina (Furlow) E. Murr. | Alnus maritima | Betulaceae
|
| ALMAM4 | Alnus maritima (Marsh.) Muhl. ex Nutt. var. metoporina (Furlow) E. Murr. | Alnus maritima | Betulaceae
|
| ALMA7 | Alnus maritima (Marsh.) Muhl. ex Nutt. | seaside alder | Betulaceae
|
| ALME2 | Alnus metoporina Furlow | Alnus maritima | Betulaceae
|