| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| AMFRF | Amphipappus fremontii Torr. & Gray ssp. fremontii | Fremont's chaffbush | Asteraceae
|
| AMFRS2 | Amphipappus fremontii Torr. & Gray ssp. spinosus (A. Nels.) Keck | Fremont's chaffbush | Asteraceae
|
| AMFRS | Amphipappus fremontii Torr. & Gray var. spinosus (A. Nels.) C.L. Porter | Amphipappus fremontii ssp. spinosus | Asteraceae
|
| AMFR2 | Amphipappus fremontii Torr. & Gray | Fremont's chaffbush | Asteraceae
|
| AMPHI3 | Amphipappus Torr. & Gray | chaffbush | Asteraceae
|
| AMNE3 | Amphiscirpus nevadensis (S. Wats.) Oteng Yeboah | Scirpus nevadensis | Cyperaceae
|
| AMSC5 | Amphistelma scoparia (Nutt.) Small | Cynanchum scoparium | Asclepiadaceae
|
| AMLA4 | Amphitecna latifolia (P. Mill.) A.H. Gentry | black calabash | Bignoniaceae
|
| AMPHI7 | Amphitecna Miers | amphitecna | Bignoniaceae
|
| AMHY3 | Amphoradenium hymenophylloides (Kaulfuss) Copeland | Adenophorus hymenophylloides | Grammitidaceae
|
| AMTA4 | Amphoradenium tamariscinum (Kaulfuss) Copeland | Adenophorus tamariscinus | Grammitidaceae
|
| AMAR7 | Amsinckia arizonica Suksdorf | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMBA6 | Amsinckia barbata Greene | Amsinckia lycopsoides | Boraginaceae
|
| AMCA8 | Amsinckia carinata A. Nels. & J.F. Macbr. | Malheur Valley fiddleneck | Boraginaceae
|
| AMDE5 | Amsinckia demissa Suksdorf | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMDE6 | Amsinckia densirugosa Suksdorf | Amsinckia tessellata var. tessellata | Boraginaceae
|
| AMDO | Amsinckia douglasiana A. DC. | Douglas' fiddleneck | Boraginaceae
|
| AMEA2 | Amsinckia eastwoodiae J.F. Macbr. | Eastwood's fiddleneck | Boraginaceae
|
| AMEC | Amsinckia echinata Gray | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMFU2 | Amsinckia furcata Suksdorf | Amsinckia vernicosa var. furcata | Boraginaceae
|
| AMGL | Amsinckia gloriosa Eastw. ex Suksdorf | Amsinckia tessellata var. gloriosa | Boraginaceae
|
| AMGR3 | Amsinckia grandiflora (Kleeb. ex Gray) Kleeb. ex Greene | largeflowered fiddleneck | Boraginaceae
|
| AMHE6 | Amsinckia hendersonii Suksdorf | Amsinckia tessellata var. tessellata | Boraginaceae
|
| AMHI | Amsinckia hispida auct. non (Ruiz & Pav�n) I.M. Johnston | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMID | Amsinckia idahoensis M.E. Jones | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMIN5 | Amsinckia intactilis J.F. Macbr. | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMINE | Amsinckia intermedia Fisch. & C.A. Mey. var. eastwoodiae (J.F. Macbr.) Jepson & Hoover | Amsinckia eastwoodiae | Boraginaceae
|
| AMINE2 | Amsinckia intermedia Fisch. & C.A. Mey. var. echinata (Gray) Wiggins | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMIN3 | Amsinckia intermedia Fisch. & C.A. Mey. | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMLU | Amsinckia lunaris J.F. Macbr. | bentflower fiddleneck | Boraginaceae
|
| AMLY | Amsinckia lycopsoides Lehm. | tarweed fiddleneck | Boraginaceae
|
| AMMEI2 | Amsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. var. intermedia (Fisch & C.A. Mey.) Ganders | common fiddleneck | Boraginaceae
|
| AMMEM2 | Amsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. var. menziesii | Menzies' fiddleneck | Boraginaceae
|
| AMME | Amsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. | Menzies' fiddleneck | Boraginaceae
|
| AMMI3 | Amsinckia micrantha Suksdorf | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMMI2 | Amsinckia microphylla Suksdorf | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMNA3 | Amsinckia nana Suksdorf | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMPA9 | Amsinckia parviflora Heller | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMRE2 | Amsinckia retrorsa Suksdorf | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMRI2 | Amsinckia rigida Suksdorf | Amsinckia menziesii var. intermedia | Boraginaceae
|
| AMRU3 | Amsinckia rugosa Rydb. | Amsinckia menziesii var. menziesii | Boraginaceae
|
| AMSC3 | Amsinckia scouleri I.M. Johnston | Amsinckia spectabilis | Boraginaceae
|
| AMSPB | Amsinckia spectabilis Fisch. & C.A. Mey. var. bracteosa (Gray) Boivin | Amsinckia spectabilis | Boraginaceae
|
| AMSPM | Amsinckia spectabilis Fisch. & C.A. Mey. var. microcarpa (Greene) Jepson & Hoover | Amsinckia spectabilis | Boraginaceae
|
| AMSPN | Amsinckia spectabilis Fisch. & C.A. Mey. var. nicolai (Jepson) I.M. Johnston ex Munz | Amsinckia spectabilis | Boraginaceae
|
| AMSP3 | Amsinckia spectabilis Fisch. & C.A. Mey. | woolly breeches | Boraginaceae
|
| AMTEG | Amsinckia tessellata Gray var. gloriosa (Eastw. ex Suksdorf) Hoover | bristly fiddleneck | Boraginaceae
|
| AMTET | Amsinckia tessellata Gray var. tessellata | bristly fiddleneck | Boraginaceae
|
| AMTE3 | Amsinckia tessellata Gray | bristly fiddleneck | Boraginaceae
|
| AMVEF | Amsinckia vernicosa Hook. & Arn. var. furcata (Suksdorf) Hoover | forked green fiddleneck | Boraginaceae
|
| AMVEV | Amsinckia vernicosa Hook. & Arn. var. vernicosa | green fiddleneck | Boraginaceae
|
| AMVE | Amsinckia vernicosa Hook. & Arn. | green fiddleneck | Boraginaceae
|
| AMWA2 | Amsinckia washingtonensis Suksdorf | Amsinckia tessellata var. tessellata | Boraginaceae
|
| AMSIN | Amsinckia Lehm. | fiddleneck | Boraginaceae
|
| AMAM8 | Amsonia amsonia (L.) Britt. | Amsonia tabernaemontana var. tabernaemontana | Apocynaceae
|
| AMAR6 | Amsonia arenaria Standl. | Amsonia tomentosa var. stenophylla | Apocynaceae
|
| AMBR3 | Amsonia brevifolia Gray | Amsonia tomentosa var. tomentosa | Apocynaceae
|
| AMCIC | Amsonia ciliata Walt. var. ciliata | fringed bluestar | Apocynaceae
|
| AMCIF | Amsonia ciliata Walt. var. filifolia Woods. | Amsonia ciliata var. tenuifolia | Apocynaceae
|
| AMCIT | Amsonia ciliata Walt. var. tenuifolia (Raf.) Woods. | fringed bluestar | Apocynaceae
|
| AMCIT2 | Amsonia ciliata Walt. var. texana (Gray) Coult. | Texas bluestar | Apocynaceae
|
| AMCI | Amsonia ciliata Walt. | fringed bluestar | Apocynaceae
|
| AMEA | Amsonia eastwoodiana Rydb. | Amsonia tomentosa var. stenophylla | Apocynaceae
|
| AMFU | Amsonia fugatei S.P. McLaughlin | San Antonio bluestar | Apocynaceae
|
| AMGL3 | Amsonia glaberrima Woods. | Amsonia tabernaemontana var. tabernaemontana | Apocynaceae
|
| AMGR4 | Amsonia grandiflora Alexander | Arizona bluestar | Apocynaceae
|
| AMHIP | Amsonia hirtella Standl. var. pogonosepala (Woods.) Wiggins | Amsonia palmeri | Apocynaceae
|
| AMHI2 | Amsonia hirtella Standl. | Amsonia palmeri | Apocynaceae
|
| AMHU | Amsonia hubrichtii Woods. | Hubricht's bluestar | Apocynaceae
|
| AMIL | Amsonia illustris Woods. | Ozark bluestar | Apocynaceae
|
| AMJO | Amsonia jonesii Woods. | Jones' bluestar | Apocynaceae
|
| AMKE | Amsonia kearneyana Woods. | Kearney's bluestar | Apocynaceae
|
| AMLOL | Amsonia longiflora Torr. var. longiflora | tubular bluestar | Apocynaceae
|
| AMLOS | Amsonia longiflora Torr. var. salpignantha (Woods.) S.P. McLaughlin | tubular bluestar | Apocynaceae
|
| AMLO | Amsonia longiflora Torr. | tubular bluestar | Apocynaceae
|
| AMLU2 | Amsonia ludoviciana Vail | Louisiana bluestar | Apocynaceae
|
| AMPA5 | Amsonia palmeri Gray | Palmer's bluestar | Apocynaceae
|
| AMPE | Amsonia peeblesii Woods. | Peebles' bluestar | Apocynaceae
|
| AMPO6 | Amsonia pogonosepala Woods. | Amsonia palmeri | Apocynaceae
|
| AMRE3 | Amsonia repens Shinners | creeping bluestar | Apocynaceae
|
| AMRI | Amsonia rigida Shuttlw. ex Small | stiff bluestar | Apocynaceae
|
| AMSA4 | Amsonia salicifolia Pursh | Amsonia tabernaemontana var. salicifolia | Apocynaceae
|
| AMSA2 | Amsonia salpignantha Woods. | Amsonia longiflora var. salpignantha | Apocynaceae
|
| AMST2 | Amsonia standleyi Woods. | Amsonia palmeri | Apocynaceae
|
| AMTAG | Amsonia tabernaemontana Walt. var. gattingeri Woods. | eastern bluestar | Apocynaceae
|
| AMTAS | Amsonia tabernaemontana Walt. var. salicifolia (Pursh) Woods. | eastern bluestar | Apocynaceae
|
| AMTAT | Amsonia tabernaemontana Walt. var. tabernaemontana | eastern bluestar | Apocynaceae
|
| AMTA2 | Amsonia tabernaemontana Walt. | eastern bluestar | Apocynaceae
|
| AMTH | Amsonia tharpii Woods. | feltleaf bluestar | Apocynaceae
|
| AMTOS | Amsonia tomentosa Torr. & Fr�m. var. stenophylla Kearney & Peebles | woolly bluestar | Apocynaceae
|
| AMTOT | Amsonia tomentosa Torr. & Fr�m. var. tomentosa | woolly bluestar | Apocynaceae
|
| AMTO2 | Amsonia tomentosa Torr. & Fr�m. | woolly bluestar | Apocynaceae
|
| AMSON | Amsonia Walt. | bluestar | Apocynaceae
|
| AMCO10 | Amygdalaria consentiens (Nyl.) Hertel, Brodo & Mas. Inoue | | Porpidiaceae
|
| AMCO11 | Amygdalaria continua Brodo & Hertel | | Porpidiaceae
|
| AMEL60 | Amygdalaria elegantior (H. Magn.) Hertel & Brodo | | Porpidiaceae
|
| AMHA | Amygdalaria haidensis Brodo & Hertel | | Porpidiaceae
|
| AMPA12 | Amygdalaria panaeola (Ach.) Hertel & Brodo | | Porpidiaceae
|
| AMPE5 | Amygdalaria pelobotryon (Wahlenb.) Norman | | Porpidiaceae
|
| AMSU2 | Amygdalaria subdissentiens (Nyl.) Mas. Inoue & Brodo | | Porpidiaceae
|
| AMYGD2 | Amygdalaria Norman | amygdalaria | Porpidiaceae
|