| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| JUSP4 | Justicia spicigera Schlect. | mohintli | Acanthaceae
|
| JUSP3 | Justicia spinosa Jacq. | Oplonia spinosa | Acanthaceae
|
| JUUM | Justicia umbratilis Fern. | Justicia americana | Acanthaceae
|
| JUVE | Justicia verticillaris (Nees) Urban | Justicia martinsoniana | Acanthaceae
|
| JUWA | Justicia warnockii B.L. Turner | Warnock's water-willow | Acanthaceae
|
| JUWR | Justicia wrightii Gray | Wright's waterwillow | Acanthaceae
|
| JUSTI | Justicia L. | water-willow | Acanthaceae
|
| KAGR3 | Kadua grandis Gray | Hedyotis acuminata | Rubiaceae
|
| KAPA2 | Kadua parvula Gray | Hedyotis parvula | Rubiaceae
|
| KAGA2 | Kaempferia galanga L. | galanga | Zingiberaceae
|
| KAPA3 | Kaempferia pandurata Roxb. | Boesenbergia rotunda | Zingiberaceae
|
| KARO2 | Kaempferia rotunda L. | kaempferia | Zingiberaceae
|
| KARO3 | Kaempferia rotundata L. | resurrection-lily | Zingiberaceae
|
| KAEMP2 | Kaempferia L. | kaempferia | Zingiberaceae
|
| KACA4 | Kaernefeltia californica (Tuck.) Thell & Goward | | Parmeliaceae
|
| KAME | Kaernefeltia merrillii (Du Rietz) Thell & Goward | | Parmeliaceae
|
| KAERN | Kaernefeltia Thell & Goward | kaernefeltia | Parmeliaceae
|
| KABE | Kalanchoe beauverdii Hamlet | Beauverd's widow's-thrill | Crassulaceae
|
| KABL | Kalanchoe blossfeldiana Poelln. | Madagascar widow's-thrill | Crassulaceae
|
| KABR | Kalanchoe brasiliensis Camb. | Kalanchoe integra var. verea | Crassulaceae
|
| KACR | Kalanchoe crenata (Andr.) Haw. | Kalanchoe integra var. crenata | Crassulaceae
|
| KADA | Kalanchoe daigremontiana Hamet & Perrier | devil's backbone | Crassulaceae
|
| KADE | Kalanchoe delagoensis Ecklon & Zeyh. | chandelier plant | Crassulaceae
|
| KAFE | Kalanchoe fedtschenkoi Hamet & Perrier | lavender scallops | Crassulaceae
|
| KAGA | Kalanchoe gastonis-bonnieri Hamet & Perrier | palm beachbells | Crassulaceae
|
| KAINC | Kalanchoe integra (Medik.) Kuntze var. crenata (Andr.) Cufod. | neverdie | Crassulaceae
|
| KAINV | Kalanchoe integra (Medik.) Kuntze var. verea (Jacq.) Cufod. | neverdie | Crassulaceae
|
| KAIN2 | Kalanchoe integra (Medik.) Kuntze | neverdie | Crassulaceae
|
| KALA3 | Kalanchoe laciniata (L.) DC. | christmastree plant | Crassulaceae
|
| KAPI | Kalanchoe pinnata (Lam.) Pers. | cathedral bells | Crassulaceae
|
| KATU | Kalanchoe tubiflora (Harvey) Hamet | Kalanchoe delagoensis | Crassulaceae
|
| KAVE | Kalanchoe verticillata Elliot | Kalanchoe delagoensis | Crassulaceae
|
| KALAN | Kalanchoe Adans. | widow's-thrill | Crassulaceae
|
| KAIN5 | Kalimeris indica (L.) Schultz-Bip. | Indian aster | Asteraceae
|
| KALIM | Kalimeris (Cass.) Cass. | aster | Asteraceae
|
| KABR2 | Kallstroemia brachystylis Vail | Kallstroemia californica | Zygophyllaceae
|
| KACAB2 | Kallstroemia californica (S. Wats.) Vail var. brachystylis (Vail) Kearney & Peebles | Kallstroemia californica | Zygophyllaceae
|
| KACA | Kallstroemia californica (S. Wats.) Vail | California caltrop | Zygophyllaceae
|
| KACA3 | Kallstroemia caribaea Rydb. | Kallstroemia pubescens | Zygophyllaceae
|
| KAGR | Kallstroemia grandiflora Torr. ex Gray | Arizona poppy | Zygophyllaceae
|
| KAHI | Kallstroemia hirsutissima Vail ex Small | hairy caltrop | Zygophyllaceae
|
| KAIN3 | Kallstroemia intermedia Rydb. | Kallstroemia parviflora | Zygophyllaceae
|
| KAMA | Kallstroemia maxima (L.) Hook. & Arn. | big caltrop | Zygophyllaceae
|
| KAPA | Kallstroemia parviflora J.B.S. Norton | warty caltrop | Zygophyllaceae
|
| KAPE | Kallstroemia perennans B.L. Turner | perennial caltrop | Zygophyllaceae
|
| KAPU | Kallstroemia pubescens (G. Don) Dandy | Caribbean caltrop | Zygophyllaceae
|
| KALLS | Kallstroemia Scop. | caltrop | Zygophyllaceae
|
| KAANC | Kalmia angustifolia L. var. carolina (Small) Fern. | Kalmia carolina | Ericaceae
|
| KAAN | Kalmia angustifolia L. | sheep laurel | Ericaceae
|
| KACA2 | Kalmia carolina Small | Carolina laurel | Ericaceae
|
| KACU | Kalmia cuneata Michx. | whitewicky | Ericaceae
|
| KAHI2 | Kalmia hirsuta Walt. | hairy laurel | Ericaceae
|
| KALAL | Kalmia latifolia L. var. laevipes Fern. | Kalmia latifolia | Ericaceae
|
| KALA | Kalmia latifolia L. | mountain laurel | Ericaceae
|
| KAMIO | Kalmia microphylla (Hook.) Heller ssp. occidentalis (Small) Taylor & MacBryde | Kalmia microphylla | Ericaceae
|
| KAMIO2 | Kalmia microphylla (Hook.) Heller var. occidentalis (Small) Ebinger | Kalmia microphylla | Ericaceae
|
| KAMI | Kalmia microphylla (Hook.) Heller | alpine laurel | Ericaceae
|
| KAOC | Kalmia occidentalis Small | Kalmia microphylla | Ericaceae
|
| KAPOM3 | Kalmia polifolia Wangenh. ssp. microphylla (Hook.) Calder & Taylor | Kalmia microphylla | Ericaceae
|
| KAPOO | Kalmia polifolia Wangenh. ssp. occidentalis (Small) Abrams | Kalmia microphylla | Ericaceae
|
| KAPOM2 | Kalmia polifolia Wangenh. var. microphylla (Hook.) Hall | Kalmia microphylla | Ericaceae
|
| KAPOR | Kalmia polifolia Wangenh. var. rosmarinifolia (Pursh) Rehd. | Kalmia polifolia | Ericaceae
|
| KAPO | Kalmia polifolia Wangenh. | bog laurel | Ericaceae
|
| KAPR | Kalmia procumbens auct. comb. nov. ined. | Loiseleuria procumbens | Ericaceae
|
| KALMI | Kalmia L. | laurel | Ericaceae
|
| KAHI3 | Kalmiella hirsuta (Walt.) Small | Kalmia hirsuta | Ericaceae
|
| KALE | Kalmiopsis leachiana (Henderson) Rehd. | North Umpqua kalmiopsis | Ericaceae
|
| KALMI2 | Kalmiopsis Rehd. | kalmiopsis | Ericaceae
|
| KAPI2 | Kalopanax pictus (Thunb.) Nakai | Kalopanax septemlobus | Araliaceae
|
| KASE | Kalopanax septemlobus (Thunb. ex A. Murr.) Koidz | castor aralia | Araliaceae
|
| KALOP | Kalopanax Miq. | castor aralia | Araliaceae
|
| KAKA | Kanaloa kahoolawensis D.H. Lorence & K.R. Wood | | Fabaceae
|
| KANAL | Kanaloa D.H. Lorence & K.R. Wood | kanaloa | Fabaceae
|
| KAPL | Karatas plumieri E. Morr. | Bromelia plumieri | Bromeliaceae
|
| KAPU2 | Karroochloa purpurea (L. f.) Conert & T�rpe | South African oatgrass | Poaceae
|
| KARRO | Karroochloa Conert & T�rpe | South African oatgrass | Poaceae
|
| KAAT | Karschia athallina (Mull. Arg.) Vouaux | Dactylospora athallina | Dactylosporaceae
|
| KAIN4 | Karschia inops Triebel & Rambold | | Uncertain Lichen Family
|
| KARSC | Karschia Korber | karschia | Uncertain Lichen Family
|
| KAHU | Karwinskia humboldtiana (J.A. Schultes) Zucc. | coyotillo | Rhamnaceae
|
| KARWI | Karwinskia Zucc. | karwinskia | Rhamnaceae
|
| KEANA | Keckiella antirrhinoides (Benth.) Straw ssp. antirrhinoides | snapdragon penstemon | Scrophulariaceae
|
| KEANM | Keckiella antirrhinoides (Benth.) Straw ssp. microphylla (Gray) Straw | snapdragon penstemon | Scrophulariaceae
|
| KEANM2 | Keckiella antirrhinoides (Benth.) Straw var. microphylla (Gray) N. Holmgren | Keckiella antirrhinoides ssp. microphylla | Scrophulariaceae
|
| KEAN | Keckiella antirrhinoides (Benth.) Straw | snapdragon penstemon | Scrophulariaceae
|
| KEBRB | Keckiella breviflora (Lindl.) Straw ssp. breviflora | bush beardtongue | Scrophulariaceae
|
| KEBRG | Keckiella breviflora (Lindl.) Straw ssp. glabrisepala (Keck) Straw | bush beardtongue | Scrophulariaceae
|
| KEBRG2 | Keckiella breviflora (Lindl.) Straw var. glabrisepala (Keck) N. Holmgren | Keckiella breviflora ssp. glabrisepala | Scrophulariaceae
|
| KEBR | Keckiella breviflora (Lindl.) Straw | bush beardtongue | Scrophulariaceae
|
| KECO | Keckiella cordifolia (Benth.) Straw | heartleaf keckiella | Scrophulariaceae
|
| KECO2 | Keckiella corymbosa (Benth. ex A. DC.) Straw | redwood keckiella | Scrophulariaceae
|
| KELE | Keckiella lemmonii (Gray) Straw | Lemmon's keckiella | Scrophulariaceae
|
| KEROJ | Keckiella rothrockii (Gray) Straw ssp. jacintensis (Abrams) Straw | Rothrock's keckiella | Scrophulariaceae
|
| KEROR | Keckiella rothrockii (Gray) Straw ssp. rothrockii | Rothrock's keckiella | Scrophulariaceae
|
| KEROJ3 | Keckiella rothrockii (Gray) Straw var. jacintensis (Abrams) N. Holmgren | Keckiella rothrockii ssp. jacintensis | Scrophulariaceae
|
| KERO | Keckiella rothrockii (Gray) Straw | Rothrock's keckiella | Scrophulariaceae
|
| KETES | Keckiella ternata (Torr. ex Gray) Straw ssp. septentrionalis (Munz & Johnston) Straw | scarlet keckiella | Scrophulariaceae
|
| KETET | Keckiella ternata (Torr. ex Gray) Straw ssp. ternata | scarlet keckiella | Scrophulariaceae
|
| KETES2 | Keckiella ternata (Torr. ex Gray) Straw var. septentrionalis (Munz & Johnston) N. Holmgren | Keckiella ternata ssp. septentrionalis | Scrophulariaceae
|
| KETE | Keckiella ternata (Torr. ex Gray) Straw | scarlet keckiella | Scrophulariaceae
|
| KECKI | Keckiella Straw | keckiella | Scrophulariaceae
|