| Botanical Name |
Authority |
| Abelmoschus esculentus |
NAPPRA |
| Abelmoschus spp. |
NAPPRA |
| Abies guatemalensis |
CITES |
| Abronia macrocarpa |
ESA-E |
| Abutilon eremitopetalum |
ESA-E |
| Abutilon menziesii |
ESA-E |
| Abutilon sandwicense |
ESA-E |
| Acaena exigua |
ESA-E |
| Acaena novae-zelandiae |
NAPPRA |
| Acamptoclados spp. |
NAPPRA |
| Acanthomintha duttonii (obovata ssp. duttonii) |
ESA-E |
| Acanthomintha ilicifolia |
ESA-T |
| Acanthoscyphus (syn. Oxytheca) parishii v. goodmaniana |
ESA-E |
| Acanthosyris spp |
Parasitic |
| Achnatherum hymenoides |
FSA |
| Achuaria spp. |
Poa. |
| Achyranthes mutica |
Treatment |
| Achyranthes splendens v. rotundata |
ESA-E |
| Acidosasa spp. |
NAPPRA |
| Acmadenia spp. |
NAPPRA |
| Acmispon dendroideus var. traskiae |
Treatment |
| Aconitum noveboracense |
ESA-T |
| Acroceras zizanioides |
NAPPRA |
| Achronychia spp. |
NAPPRA |
| Actinanthella spp. |
Parasitic |
| Actinoscirpus grossus |
NAPPRA |
| Actinocladum spp. |
NAPPRA |
| Adansonia grandidieri |
CITES |
| Adenandra spp. |
NAPPRA |
| Adenia firingalavensis |
CITES |
| Adenia olaboensis |
CITES |
| Adenia spinosa |
CITES |
| Adenia subsessilifolia |
CITES |
| Adenophorus periens |
ESA-E |
| Adiantum vivesii |
ESA-E |
| Adiscanthus spp. |
NAPPRA |
| Adonis microcarpa |
NAPPRA |
| Aegilops spp. |
NAPPRA |
| Aegilotriticum spp. |
NAPPRA |
| Aeginetia spp. |
Parasitic |
| Aegle spp. |
NAPPRA |
| Aeglopsis spp. |
NAPPRA |
| Aerangis ellisii (also A. elata & A. platyphylla) |
CITES |
| Aeschynomene virginica |
ESA-T |
| Aetanthus spp. |
Parasitic |
| Afraegle |
NAPPRA |
| Agalinus spp. |
Parasitic |
| Agathosma spp. |
NAPPRA |
| Agave eggersiana |
ESA-E |
| Agave parviflora |
CITES |
| Agelanthus spp. |
Parasitic |
| Ageratina adenophora |
NW |
| Ageratina riparia |
NW |
| Agnesia spp. |
NAPPRA |
| Agonandra spp. |
Parasitic |
| Agropyron cristatum |
NAPPRA |
| Agropyron desertorum |
NAPPRA |
| Agropyron fragile |
NAPPRA |
| Agrostis spp. |
NAPPRA |
| Agrotriticum (Agropyrom x Triticum) |
NAPPRA |
| Alectra spp. |
Parasitic |
| Alectryon macrococcus |
ESA-E |
| Alepis spp. (=Elytranthe) |
Parasitic |
| Allium cepa v. cepa |
FSA-V |
| Allium fistulosum |
FSA-V |
| Allium munzii |
ESA-E |
| Allium porrum |
FSA-V |
| Allium schoenoprasum |
FSA-V |
| Almeidea spp. |
NAPPRA |
| Aloe albida |
CITES |
| Aloe albiflora |
CITES |
| Aloe alfredii |
CITES |
| Aloe bakeri |
CITES |
| Aloe bellatula |
CITES |
| Aloe calcairophila |
CITES |
| Aloe compressa v. rugosquamosa, schistophila, paucituberculata |
CITES |
| Aloe delphinensis |
CITES |
| Aloe descoingsii |
CITES |
| Aloe fragilis |
CITES |
| Aloe haworthioides (incl. var. aurantiaca) |
CITES |
| Aloe helenae |
CITES |
| Aloe laeta (incl. var. maniaensis) |
CITES |
| Aloe parallelifolia |
CITES |
| Aloe parvula |
CITES |
| Aloe pillansii |
CITES |
| Aloe polyphylla |
CITES |
| Aloe rauhii |
CITES |
| Aloe suzannae |
CITES |
| Aloe versicolor |
CITES |
| Aloe vossii |
CITES |
| Alopecurus aequalis v. sonomensis |
ESA-E |
| Alopecurus arundinaceus |
ESA |
| Alopecurus pratensis |
FSA-A |
| Alvimia spp. |
NAPPRA |
| Alysicarpus vaginalis |
FSA-A |
| Amaranthus brownii |
ESA-E |
| Amaranthus pumilus |
ESA-T |
| Ambrosia cheiranthifolia |
ESA-E |
| Ambrosia pumila |
ESA-E |
| Amorpha crenulata |
ESA-E |
| Amphianthus pusillus (Syn: Gratiola amphiantha) |
ESA-T |
| Amphorogyne spp. |
Parasitic |
| Amsinckia grandiflora |
ESA-E |
| Amsonia kearneyana |
ESA-E |
| Amyema spp. |
Parasitic |
| Amylotheca spp. |
Parasitic |
| Amyris spp. |
NAPPRA |
| Anacolosa spp. |
Parasitic |
| Ancistrocactus tobuschii (= Sclerocactus brevihamatus ssp. tobuschii) |
ESA & CITES |
| Ancistrostylis spp. |
Parasitic |
| Ancistrotropis spp. |
NAPPRA |
| Andreadoxa spp. |
NAPPRA |
| Andropogon gayanus |
NAPPRA |
| Andropogon gerardii v. gerardii |
FSA-A |
| Andropogon halli |
FSA-A |
| Anethum graveolens |
FSA-V |
| Angostura spp. |
NAPPRA |
| Anthobolus spp. |
Parasitic |
| Anthoxanthum odoratum |
FSA-A |
| Antidaphne spp. |
Parasitic |
| Apios priceana |
ESA-T |
| Apium graveolens v. rapaceum |
FSA-V |
| Apium graveolens v. dulce |
FSA-V |
| Apoclada spp. |
Poa. |
| Apocaulon spp. |
NAPPRA |
| Apodanthes spp. |
Parasitic |
| Aptandra spp. (syn. Ongokea) |
NW |
| Arabis georgiana |
ESA-T |
| Arabis hoffmannii (syn. Boechera hoffmannii) |
ESA-E |
| Arabis mcdonaldiana |
ESA-E |
| Arabis perstellata (syn. Borodinia perstellata) |
ESA-E |
| Arachis spp. |
NAPPRA |
| Araucaria araucana |
CITES |
| Arceuthobium spp. (Viscaceae) |
Parasitic |
| Arctotheca calendula |
NW |
| Arctium lappa |
FSA-V |
| Arctomecon humilis |
ESA-E |
| Arctostaphylos confertiflora |
ESA-E |
| Arctostaphylos franciscana |
ESA-E |
| Arctostaphylos glandulosa ssp. crassifolia |
ESA-E |
| Arctostaphylos hookeri v. ravenii (= pungens v. ravenii) |
ESA-E |
| Arctostaphylos morroensis |
ESA-T |
| Arctostyphylos myrtifolia |
ESA-T |
| Arctostyphylos pallida |
ESA-T |
| Arctotheca calendula |
NW |
| Arenaria paludicola |
ESA-E |
| Argemone pleiacantha ssp. pinnatisecta |
ESA-E |
| Argyroxiphium kauense |
ESA-E |
| Argyroxiphium sandwicense ssp. macrocephalum |
ESA-T |
| Argyroxiphium sandwicense ssp. sandwicense |
ESA-E |
| Argythamnia blodgettii |
ESA-T |
| Ariocarpus spp. (incl. Neogomesia and Rosecactus spp) |
CITES |
| Aristida chaseae |
ESA-E |
| Aristida portoricensis |
ESA-E |
| Arjona spp. |
Parasitic |
| Arrhenatherum elatius |
FSA-A |
| Artemisia austriaca |
NAPPRA |
| Artemisia ludoviciana |
FSA-A |
| Arthrostylidium spp. |
NAPPRA |
| Asclepias meadii |
ESA-T |
| Asclepias prostrata |
ESA-E |
| Asclepias welshii |
ESA-T |
| Asimina tetramera |
ESA-E |
| Asepalum spp. |
Parasitic |
| Asparagus officinalis |
FSA-A |
| Asphodelus cerasifera |
NARGS |
| Asphodelus fistulosus |
NW |
| Asphodelus fistulosus |
NW |
| Asplenium dielerectum |
ESA-E |
| Asplenium diefalcatum |
ESA-E |
| Asplenium diellaciniatum |
ESA-E |
| Asplenium dielmannii |
ESA-E |
| Asplenium dielpallidum |
ESA-E |
| Asplenium fragile var. insulare |
ESA-T |
| Asplenium peruvianum var. insulare |
ESA-E |
| Asplenium scolopendrium v. americanum |
ESA-T |
| Asplenium unisorum |
ESA-E |
| Astelia waialealae |
ESA-E |
| Asterolasia spp. |
NAPPRA |
| Astragalus albens |
ESA-E |
| Astragalus ampullarioides |
ESA-E |
| Astragalus applegatei |
ESA-E |
| Astragalus bibullatus |
ESA-E |
| Astragalus brauntonii |
ESA-E |
| Astragalus cicer |
FSA-A |
| Astragalus clarianus |
ESA-E |
| Astragalus cremnophylax v. cremnophylax |
ESA-E |
| Astragalus desereticus |
ESA-T |
| Astragalus holmgreniorum |
ESA-E |
| Astragalus humillimus |
ESA-E |
| Astragalus jaegerianus |
ESA-E |
| Astragalus lentiginosus var. coachellae |
ESA-E |
| Astragalus lentiginosus var. piscinensis |
ESA-T |
| Astragalus limnocharis var. montii |
ESA-T |
| Astragalus magdalenae var. peirsonii |
ESA-T |
| Astragalus montii (=limnocharis var. montii) |
ESA-T |
| Astragalus phoenix |
ESA-T |
| Astragalus osterhoutii |
ESA-E |
| Astragalus phoenix |
ESA-T |
| Astragalus pycnostachyus var. lanossimus |
ESA-E |
| Astragalus robbinsii var. jesupi |
ESA-E |
| Astragalus tener var. titi |
ESA-E |
| Astragalus tricarinatus |
ESA-E |
| Astrophytum (= Echinocactus) asterias |
ESA & CITES |
| Atalantia spp. |
NAPPRA |
| Athroostachys spp. |
NAPPRA |
| Atkinsonia spp. |
Parasitic |
| Atractantha spp. |
NAPPRA |
| Atriplex canescens |
FSA-A |
| Atriplex coronata v. notatior |
ESA-E |
| Aucklandia costus |
CITES |
| Auerodendron pauciflorum |
ESA-E |
| Aulonemia spp. |
NAPPRA |
| Aureolaria spp. |
Parasitic |
| Avena byzantina |
FSA-A |
| Aulonemia spp. |
Poa. |
| Aureolaria spp. |
Parasitic |
| Austroeupatorium inulifolium |
NAPPRA |
| Avena nuda |
FSA-A |
| Avena sativa |
FSA-A |
| Axonopus fissifolius |
FSA-A |
| Ayenia limitaris |
ESA-E |
| Azolla pinnata |
NW |
| Aztekium ritteri |
CITES |
