National Collection Plant Species

Below we provide a full list of rare plants in the Center for Plant Conservation National Collection, including species without completed profiles that do not yet appear our plant search. Highlighted species link to completed plant profiles.

Last updated: March 30, 2017


The Arnold Arboretum of Harvard University

Amelanchier nantucketensis
Diervilla rivularis
Diervilla sessilifolia
Fothergilla major
Gaylussacia brachycera
Hamamelis ovalis
Ilex collina
Magnolia pyramidata
Rhododendron prunifolium
Rhododendron vaseyi
Rubus allegheniensis
Rubus prosper
Spiraea virginiana
Viburnum bracteatum

Arizona-Sonora Desert Museum

Monolopia congdonii

Atlanta Botanical Garden

Torreya taxifolia

Brooklyn Botanic Garden

Aeschynomene virginica
Arabis hoffmannii
Arctostaphylos cruzensis
Arenaria paludicola
Astragalus pycnostachyus var. lanosissimus
Berberis pinnata ssp. insularis
Calycadenia villosa
Ceanothus impressus var. nipomensis
Chlorogalum purpureum var. purpureum
Chlorogalum purpureum var. reductum
Claytonia virginica var. hammondiae
Deinandra increscens ssp. villosa
Dudleya brevifolia
Dudleya nesiotica
Dudleya traskiae
Eriodictyon capitatum
Fremontodendron mexicanum
Helianthemum greenei
Helonias bullata
Lavatera assurgentiflora ssp. glabra
Lupinus nipomensis
Narthecium americanum
Pogogyne clareana
Pyxidanthera barbulata
Rhynchospora knieskernii
Rorippa gambelii
Schwalbea americana
Thermopsis macrophylla
Thysanocarpus conchuliferus
Tropidocarpum capparideum

Rae Selling Berry Seed Bank & Plant Conservation Programs

Abronia umbellata ssp. breviflora
Amsinckia carinata
Arabis koehleri var. koehleri
Arabis mcdonaldiana
Aster vialis
Astragalus agnicidus
Astragalus applegatei
Astragalus mulfordiae
Calochortus coxii
Calochortus umpquaensis
Cordylanthus maritimus ssp. palustris
Delphinium leucophaeum
Delphinium pavonaceum
Dodecatheon austrofrigidum
Erigeron decumbens var. decumbens
Eriogonum crosbyae
Eriogonum ovalifolium var. williamsiae
Erythronium elegans
Fritillaria gentneri
Gentiana bisetaea
Gentiana setigera
Hackelia cronquistii
Hastingsia bracteosa
Howellia aquatilis
Ivesia rhypara var. rhypara
Lilium occidentale
Lilium pardalinum ssp. pitkinense
Limnanthes floccosa ssp. bellingeriana
Lomatium bradshawii
Lomatium cookii
Lomatium erythrocarpum
Lomatium greenmanii
Lupinus biddlei
Mentzelia mollis
Mentzelia packardiae
Mirabilis macfarlanei
Oenothera wolfii
Penstemon barrettiae
Perideridia erythrorhiza
Phacelia argentea
Plagiobothrys figuratus ssp. corallicarpus
Plagiobothrys hirtus var. hirtus
Pleuropogon oregonus
Puccinellia howellii
Ranunculus reconditus
Rorippa subumbellata
Senecio ertterae
Sidalcea nelsoniana
Sidalcea oregana ssp. hydrophila
Sidalcea setosa ssp. querceta
Silene douglasii var. oraria
Sisyrinchium sarmentosum
Stephanomeria malheurensis
Thelypodium eucosmum
Thelypodium howellii ssp. spectabilis
Trifolium leibergii

Bok Tower Gardens

Asclepias connivens
Asimina tetramera
Bigelowia nuttallii
Bonamia grandiflora
Calamintha ashei
Calamintha dentata
Campanula robinsiae
Cereus eriophorus var. fragrans
Chionanthus pygmaeus
Chrysopsis delaneyi
Chrysopsis floridana
Conradina brevifolia
Conradina etonia
Conradina glabra
Conradina grandiflora
Crotalaria avonensis
Cucurbita okeechobeensis ssp. okeechobeensis
Cuphea aspera
Deeringothamnus pulchellus
Deeringothamnus rugelii
Dicerandra christmanii
Dicerandra cornutissima
Dicerandra frutescens
Dicerandra immaculata
Dicerandra immaculata var. immaculata
Dicerandra immaculata var. savannarum
Dicerandra modesta
Eriogonum longifolium var. gnaphalifolium
Eryngium cuneifolium
Euphorbia telephioides
Glandularia tampensis
Gonolobus suberosus var. suberosus
Harperocallis flava
Helianthus carnosus
Hymenocallis godfreyi
Hymenocallis henryae
Hypericum cumulicola
Justicia cooleyi
Lechea cernua
Lechea divaricata
Liatris ohlingerae
Liatris provincialis
Litsea aestivalis
Lupinus aridorum
Lupinus westianus
Macbridea alba
Matelea alabamensis
Matelea baldwyniana
Matelea flavidula
Matelea floridana
Matelea pubiflora
Monotropsis reynoldsiae
Nolina brittoniana
Ophioglossum palmatum
Paronychia chartacea
Pinguicula ionantha
Polygala lewtonii
Polygonella basiramia
Polygonella macrophylla
Polygonella myriophylla
Prunus geniculata
Rhexia salicifolia
Rhododendron chapmanii
Ribes echinellum
Schwalbea americana
Scutellaria floridana
Silene polypetala
Spigelia gentianoides
Spigelia loganioides
Stylisma abdita
Torreya taxifolia
Vicia ocalensis
Warea amplexifolia
Warea carteri
Xyris isoetifolia
Xyris longisepala
Ziziphus celata

Botanical Research Institute of Texas

Argythamnia aphoroides
Dalea reverchonii
Ipomoea shumardiana
Scirpus hallii
Senecio quaylei
Styrax texanus
Yucca necopina

Chicago Botanical Garden

Abronia orbiculata
Abronia umbellata ssp. acutalata
Agalinis skinneriana
Aster furcatus
Brighamia insignis
Cirsium hillii
Cirsium pitcheri
Hibiscus waimeae
Lepidospartum burgessii
Lepidospartum latisquamum
Lespedeza leptostachya
Platanthera leucophaea
Quercus georgiana
Quercus oglethorpensis
Trollius laxus ssp. laxus

Cincinnati Zoo & Botanical Garden

Amphianthus pusillus
Arenaria ursina
Astragalus lentiginosus var. coachellae
Astragalus tricarinatus
Baccharis vanessae
Betula uber
Brodiaea filifolia
Callicarpa ampla
Calyptridium pulchellum
Castilleja cinerea
Caulanthus californicus
Cirsium loncholepis
Clarkia springvillensis
Dudleya cymosa ssp. ovatifolia
Echinocereus fendleri var. kuenzleri
Eremalche kernensis
Erigeron parishii
Eriogonum kennedyi var. austromontanum
Eriogonum longifolium var. gnaphalifolium
Eugenia haematocarpa
Gymnoderma lineare
Hexastylis naniflora
Ilex sintenisii
Isoetes melanospora
Lesquerella kingii ssp. bernardina
Orcuttia tenuis
Oxytheca parishii var. goodmaniana
Phlox hirsuta
Pinguicula ionantha
Pleodendron macranthum
Pseudobahia peirsonii
Ribes echinellum
Scutellaria floridana
Scutellaria montana
Senecio layneae
Sidalcea pedata
Styrax portoricensis
Taraxacum californicum
Ternstroemia luquillensis
Thelypodium stenopetalum
Thelypteris pilosa var. alabamensis
Thlaspi californicum
Trillium persistens
Trillium reliquum
Tuctoria greenei
Xyris tennesseensis

Cornell Botanic Gardens

Trollius laxus ssp. laxus

CPC National Office

Abies fraseri
Ambrosia linearis
Artemisia porteri
Astragalus barrii
Astragalus lutosus
Cirsium aridum
Cirsium barnebyi
Cryptantha barnebyi
Cryptantha grahamii
Cryptantha subcapitata
Eriogonum ephedroides
Eriogonum visheri
Frasera coloradensis
Oenothera coloradensis
Oonopsis foliosa var. monocephala
Parthenium alpinum
Penstemon haydenii
Platanthera praeclara
Sabal miamiensis
Sphaeromeria simplex
Spiranthes parksii
Yermo xanthocephalus

University Of Washington Botanic Gardens

Astragalus australis var. olympicus
Astragalus sinuatus
Castilleja levisecta
Delphinium viridescens
Erigeron basalticus
Eriogonum codium
Hackelia venusta
Physaria tuplashensis
Polemonium pectinatum
Sericocarpus rigidus
Sidalcea oregana var. calva
Silene seelyi
Silene spaldingii
Trifolium thompsonii

The Arboretum at Flagstaff

Aliciella formosa
Allium gooddingii
Argemone pleiacantha ssp. pinnatisecta
Asclepias welshii
Astragalus cremnophylax var. cremnophylax
Astragalus humillimus
Astragalus montii
Carex specuicola
Castilleja kaibabensis
Chrysothamnus molestus
Cimicifuga arizonica
Clematis hirsutissima var. arizonica
Erigeron maguirei var. maguirei
Erigeron rhizomatus
Eriogonum ripleyi
Hedeoma diffusum
Hedeoma todsenii
Ipomopsis sancti-spiritus
Lesquerella kaibabensis
Lilium parryi
Pediocactus peeblesianus var. peeblesianus
Penstemon albomarginatus
Penstemon clutei
Purshia subintegra
Ranunculus aestivalis
Rumex orthoneurus
Salix arizonica
Sclerocactus cloverae
Senecio franciscanus
Senecio huachucanus
Zanthoxylum parvum

Fairchild Tropical Botanic Garden

Adiantum melanoleucum
Agave eggersiana
Amorpha crenulata
Argythamnia blodgettii
Aristida chaseae
Aristida portoricensis
Asplenium verecundum
Banara vanderbiltii
Basiphyllaea corallicola
Bourreria cassinifolia
Brickellia mosieri
Brunfelsia densifolia
Buxus vahlii
Calyptranthes peduncularis
Calyptranthes thomasiana
Calyptronoma rivalis
Cereus eriophorus var. fragrans
Chamaecrista lineata var. keyensis
Chamaesyce deltoidea
Chamaesyce deltoidea ssp. deltoidea
Chamaesyce deltoidea ssp. serpyllum
Chromolaena frustrata
Consolea corallicola
Cordia rupicola
Cornutia obovata
Crescentia portoricensis
Ctenitis submarginalis
Cyathea dryopteroides
Dalea carthagenensis var. floridana
Digitaria pauciflora
Erythrina eggersii
Euphorbia deltoidea var. deltoidea
Galactia smallii
Garcinia hessii
Gaussia attenuata
Goetzea elegans
Harrisia aboriginum
Jacquemontia reclinata
Lantana canescens
Linum arenicola
Linum carteri var. carteri
Lomariopsis kunzeana
Lyonia truncata var. proctorii
Microgramma heterophylla
Opuntia triacantha
Peperomia wheeleri
Pilosocereus robinii
Polygala cowellii
Polygala smallii
Polystichum calderonense
Pseudophoenix sargentii
Sabal causiarum
Sideroxylon reclinatum ssp. austrofloridense
Solanum drymophilum
Stahlia monosperma
Tephrosia angustissima
Thelypteris patens
Thelypteris sclerophylla
Thelypteris yaucoensis
Trichomanes punctatum ssp. floridanum
Vanilla mexicana
Vernonia proctori
Zanthoxylum coriaceum
Zanthoxylum thomasianum

Harold L. Lyon Arboretum

Cyanea asarifolia
Cyanea crispa
Cyanea lanceolata ssp. lanceolata
Cyanea pinnatifida
Cyanea superba ssp. superba
Delissea undulata ssp. undulata
Hesperomannia arbuscula
Platanthera holochila
Rollandia lanceolata ssp. lanceolata
Schiedea adamantis
Vicia menziesii
Viola lanaiensis
Xylosma crenata

The Holden Arboretum

Aconitum noveboracense
Asplenium scolopendrium var. americanum
Astragalus tennesseensis
Besseya bullii
Betula murrayana
Cimicifuga rubifolia
Cirsium pitcheri
Collinsonia verticillata
Cyperus grayoides
Erythronium propullans
Iliamna rivularis var. rivularis
Iris lacustris
Lespedeza leptostachya
Mimulus glabratus var. michiganensis
Napaea dioica
Oxytropis campestris var. chartacea
Phyllitis scolopendrium var. americanum
Plantago cordata
Poa paludigena
Prunus alleghaniensis var. davisii
Sedum integrifolium ssp. leedyi
Silene regia
Solidago houghtonii
Spiraea virginiana
Synandra hispidula
Talinum rugospermum
Tetraneuris herbacea
Trollius laxus ssp. laxus

Honolulu Botanical Gardens

Cyanea grimesiana ssp. obatae
Gardenia mannii
Stenogyne kanehoana

Lauritzen Gardens

Dalea cylindriceps
Dirca decipiens

The Lady Bird Johnson Wildflower Center

Callirhoe scabriuscula
Croton alabamensis var. texensis
Dalea reverchonii
Eriocaulon kornickianum
Forsellesia texensis
Hamamelis ovalis
Helianthus paradoxus
Isoetes lithophila
Pediomelum humile
Quercus hinckleyi
Salvia pentstemonoides
Streptanthus bracteatus
Styrax texanus
Valerianella texana
Zizania texana

Longwood Gardens

Arethusa bulbosa
Cypripedium parviflorum var. pubescens
Goodyera tesselata
Platanthera peramoena
Platanthera X bicolor
Spiranthes casei

Montgomery Botanical Center

Pseudophoenix sargentii
Pseudophoenix sargentii ssp. saonae var. navassana

Missouri Botanical Garden

Agalinis auriculata
Ageratina luciae-brauniae
Amorpha ouachitensis
Apios priceana
Arabis perstellata
Astragalus bibullatus
Boltonia decurrens
Calamagrostis porteri ssp. insperata
Calamovilfa arcuata
Callirhoe bushii
Castanea pumila var. ozarkensis
Claytonia ozarkensis
Dalea foliosa
Echinacea tennesseensis
Elymus svensonii
Geocarpon minimum
Helenium virginicum
Leavenworthia crassa
Lesquerella lyrata
Lesquerella perforata
Lesquerella stonensis
Mespilus canescens
Minuartia cumberlandensis
Neviusia alabamensis
Oenothera pilosella ssp. sessilis
Physaria filiformis
Physaria globosa
Polymnia cossatotensis
Solidago albopilosa
Solidago ouachitensis
Solidago shortii
Trifolium calcaricum ssp. nov. ined.
Trifolium stoloniferum

Mercer Arboretum and Botanic Gardens

Abronia macrocarpa
Agalinis navasotensis
Aster puniceus var. scabricaulis
Bartonia texana
Chloris texensis
Cypripedium kentuckiense
Gaillardia aestivalis var. winkleri
Hibiscus dasycalyx
Hymenoxys texana
Isoetes louisianensis
Leavenworthia aurea var. texana
Leitneria floridana
Lesquerella pallida
Liatris tenuis
Lindera melissifolia
Phlox nivalis ssp. texensis
Physostegia correllii
Physostegia longisepala
Platanthera chapmanii
Rayjacksonia aurea
Rudbeckia scabrifolia
Silene subciliata
Thalictrum texanum
Trillium texanum
Yucca necopina

The Morton Arboretum

Asclepias meadii
Scirpus hallii

The North Carolina Arboretum

Cardamine micranthera
Carex roanensis
Conradina verticillata
Crataegus harbisonii
Geum radiatum
Hedyotis purpurea var. montana
Hudsonia montana
Prunus alleghaniensis
Rhododendron austrinum
Shortia galacifolia
Sisyrinchium dichotomum

North Carolina Botanical Garden

Amaranthus pumilus
Arabis serotina
Asplenium heteroresiliens
Buckleya distichophylla
Carex lutea
Clematis addisonii
Clematis socialis
Clematis viticaulis
Coreopsis latifolia
Echinacea laevigata
Eupatorium resinosum
Geum geniculatum
Helianthus schweinitzii
Iliamna remota
Isoetes tegetiformans
Kalmia cuneata
Leiophyllum buxifolium
Liatris helleri
Lilium grayi
Lilium pyrophilum
Lobelia boykinii
Ludwigia ravenii
Lysimachia asperulifolia
Marshallia legrandii
Oxypolis canbyi
Parnassia caroliniana
Paxistima canbyi
Pityopsis ruthii
Ptilimnium nodosum
Rhexia aristosa
Rhus michauxii
Sagittaria fasciculata
Sarracenia oreophila
Sarracenia rubra ssp. jonesii
Schwalbea americana
Solidago plumosa
Solidago spithamaea
Solidago verna
Solidago villosicarpa
Stylisma pickeringii var. pickeringii
Symphyotrichum rhiannon
Thalictrum cooleyi
Vaccinium sempervirens

New England Wild Flower Society

Adiantum viridimontanum
Agalinis acuta
Astragalus robbinsii var. jesupii
Cardamine longii
Carex oronensis
Chamaesyce olowaluana
Corema conradii
Desmodium humifusum
Eriocaulon parkeri
Eupatorium leucolepis var. novae-angliae
Euphorbia purpurea
Geum peckii
Hieracium robinsonii
Isotria medeoloides
Mimulus ringens var. colpophilus
Minuartia marcescens
Oxytropis campestris var. johannensis
Panicum hirstii
Pedicularis furbishiae
Polemonium van-bruntiae
Potentilla robbinsiana
Prenanthes boottii
Sabatia kennedyana
Scirpus ancistrochaetus
Scirpus longii
Xerophyllum asphodeloides

National Tropical Botanical Garden

Abutilon sandwicense
Acacia koaia
Alsinidendron trinerve
Brighamia insignis
Brighamia rockii
Caesalpinia kavaiensis
Canavalia molokaiensis
Centaurium sebaeoides
Colubrina oppositifolia
Cyanea leptostegia
Delissea rhytidosperma
Dubautia latifolia
Dubautia pauciflorula
Euphorbia haeleeleana
Flueggea neowawraea
Gouania hillebrandii
Haplostachys haplostachya var. angustifolia
Hedyotis st.-johnii
Hibiscadelphus distans
Hibiscadelphus giffardianus
Hibiscadelphus hualalaiensis
Hibiscadelphus woodii
Hibiscus arnottianus ssp. immaculatus
Hibiscus waimeae
Isodendrion pyrifolium
Kokia kauaiensis
Lepidium serra
Lipochaeta lobata var. leptophylla
Lipochaeta waimeaensis
Lobelia niihauensis
Munroidendron racemosum
Nothocestrum peltatum
Nototrichium divaricatum
Plantago princeps var. anomala
Poa mannii
Pritchardia aylmer-robinsonii
Pritchardia napaliensis
Pritchardia viscosa
Remya kauaiensis
Schiedea apokremnos
Schiedea nuttallii
Schiedea spergulina var. leiopoda
Silene alexandri
Silene perlmanii
Solanum sandwicense
Tetramolopium capillare
Tetramolopium lepidotum ssp. lepidotum
Tetramolopium remyi
Viola chamissoniana ssp. chamissoniana
Viola helenae
Wilkesia hobdyi

The New York Botanical Garden

Carex barrattii
Cerastium arvense var. villosissimum
Helonias bullata
Marshallia grandiflora
Muhlenbergia torreyana
Prunus maritima var. gravesii
Viburnum dentatum var. venosum

Red Butte Garden and Arboretum

Arctomecon humilis
Astragalus ampullarioides
Astragalus anserinus
Astragalus desereticus
Astragalus equisolensis
Astragalus holmgreniorum
Astragalus phoenix
Atriplex canescens var. gigantea
Castilleja aquariensis
Castilleja christii
Castilleja salsuginosa
Centaurium namophilum
Cycladenia jonesii
Dodecatheon dentatum var. utahense
Enceliopsis nudicaulis var. corrugata
Eriogonum argophyllum
Eriogonum corymbosum var. nilesii
Eriogonum diatomaceum
Frasera gypsicola
Glaucocarpum suffrutescens
Grindelia fraxinopratensis
Ivesia kingii var. eremica
Ivesia webberi
Mentzelia leucophylla
Mentzelia tiehmii
Nitrophila mohavensis
Pediocactus despainii
Pediocactus winkleri
Penstemon grahamii
Penstemon scariosus var. albifluvis
Phacelia argillacea
Potentilla basaltica
Primula maguirei
Schoenocrambe argillacea
Schoenocrambe barnebyi
Sclerocactus brevispinus
Sclerocactus wetlandicus
Sclerocactus wrightiae
Sphaeralcea gierischii
Spiranthes diluvialis
Thelesperma pubescens
Townsendia aprica

Regional Parks Botanic Garden

Arctostaphylos densiflora
Arctostaphylos hookeri ssp. franciscana
Dichanthelium acuminatum var. thermale
Erysimum capitatum var. angustatum
Fremontodendron decumbens
Mahonia sonnei
Oenothera deltoides ssp. howellii
Opuntia basilaris var. treleasei
Sidalcea hickmanii ssp. anomala
Sidalcea stipularis

Rancho Santa Ana Botanic Garden

Acanthomintha ilicifolia
Allium munzii
Arctostaphylos glandulosa ssp. crassifolia
Arenaria macradenia var. kuschei
Astragalus albens
Astragalus brauntonii
Astragalus lentiginosus var. micans
Berberis nevinii
Blennosperma bakeri
Calochortus dunnii
Calochortus palmeri var. munzii
Castilleja gleasonii
Castilleja grisea
Ceanothus ophiochilus
Cercocarpus traskiae
Claytonia lanceolata var. peirsonii
Cordylanthus maritimus ssp. maritimus
Delphinium hesperium ssp. cuyamacae
Delphinium variegatum ssp. kinkiense
Delphinium variegatum ssp. thornei
Dodecahema leptoceras
Downingia concolor var. brevior
Dudleya abramsii ssp. parva
Dudleya blochmaniae ssp. blochmaniae
Dudleya brevifolia
Dudleya densiflora
Dudleya stolonifera
Eriastrum densifolium ssp. sanctorum
Eriogonum ovalifolium var. vineum
Eryngium aristulatum var. parishii
Fremontodendron mexicanum
Hemizonia minthornii
Hemizonia mohavensis
Heuchera maxima
Holocarpha macradenia
Lasthenia burkei
Limnanthes vinculans
Lithophragma maximum
Lotus argophyllus var. adsurgens
Lotus dendroideus ssp. traskiae
Malacothamnus clementinus
Malacothamnus fasciculatus var. nesioticus
Mimulus shevockii
Navarretia fossalis
Navarretia leucocephala ssp. pauciflora
Navarretia leucocephala ssp. plieantha
Nolina interrata
Oenothera californica ssp. eurekensis
Orcuttia californica
Penstemon fruticiformis ssp. amargosae
Penstemon stephensii
Poa atropurpurea
Pogogyne nudiuscula
Sibara filifolia
Swallenia alexandrae
Trichostema austromontanum ssp. compactum

San Antonio Botanical Garden

Ambrosia cheiranthifolia
Anthericum chandleri
Asclepias prostrata
Ayenia limitaris
Caesalpinia phyllanthoides
Grindelia oolepis
Hoffmannseggia tenella
Lesquerella thamnophila
Machaeranthera heterocarpa
Manfreda longiflora
Manihot walkerae
Styrax texanus
Thymophylla tephroleuca
Tillandsia baileyi

Santa Barbara Botanic Garden

Arabis hoffmannii
Arctostaphylos cruzensis
Arenaria paludicola
Astragalus pycnostachyus var. lanosissimus
Berberis pinnata ssp. insularis
Calycadenia villosa
Ceanothus impressus var. nipomensis
Chlorogalum purpureum var. purpureum
Chlorogalum purpureum var. reductum
Deinandra increscens ssp. villosa
Dudleya brevifolia
Dudleya nesiotica
Dudleya traskiae
Eriodictyon capitatum
Fremontodendron mexicanum
Helianthemum greenei
Lavatera assurgentiflora ssp. glabra
Lupinus nipomensis
Pogogyne clareana
Rorippa gambelii
Thermopsis macrophylla
Thysanocarpus conchuliferus
Tropidocarpum capparideum

The State Botanical Garden of Georgia

Baptisia arachnifera

San Diego Botanic Garden

Ternstroemia subsessilis

San Diego Zoo Global

Acanthomintha ilicifolia
Acmispon prostratus
Arctostaphylos otayensis
Bloomeria clevelandii
Calochortus dunnii
Ceanothus otayensis
Ceanothus verrucosus
Comarostaphylis diversifolia ssp. diversifolia
Cordylanthus maritimus ssp. maritimus
Dicranostegia orcuttiana
Dudleya brevifolia
Dudleya variegata
Ericameria palmeri ssp. palmeri
Fremontodendron mexicanum
Hosackia crassifolia var. otayensis
Lepechinia ganderi
Monardella viminea
Navarretia fossalis
Nolina interrata
Orcuttia californica
Pogogyne nudiuscula

St. George Village Botanical Garden

Agave eggersiana
Caesalpinia monensis
Catesbaea melanocarpa
Coccoloba rugosa
Harrisia portoricensis
Leptocereus grantianus
Malpighia infestissima
Solanum conocarpum
Tillandsia lineatispica

University of California Botanical Garden

Acanthomintha duttonii
Amsinckia grandiflora
Arctostaphylos hookeri var. ravenii
Arctostaphylos imbricata
Astragalus tener var. titi
Brodiaea pallida
Clarkia franciscana
Clarkia imbricata
Cordylanthus palmatus
Cupressus abramsiana
Delphinium bakeri
Delphinium luteum
Draba asterophora var. asterophora
Eriophyllum latilobum
Eryngium constancei
Lessingia germanorum var. germanorum
Monardella douglasii ssp. venosa
Plagiobothrys strictus

University of Minnesota Landscape Arboretum

Lepanthes eltoroensis
Lupinus sulphureus ssp. kincaidii

Waimea Valley

Abutilon eremitopetalum
Abutilon menziesii
Achyranthes splendens var. rotundata
Bonamia menziesii
Chamaesyce celastroides var. kaenana
Chamaesyce skottsbergii var. kalaeloana
Chamaesyce skottsbergii var. skottsbergii
Chamaesyce skottsbergii var. vaccinioides
Eugenia koolauensis
Gardenia brighamii
Heritiera longipetiolata
Hibiscus brackenridgei ssp. brackenridgei
Hibiscus brackenridgei ssp. mokuleianus
Hibiscus clayi
Kokia cookei
Lipochaeta micrantha
Marsilea villosa
Pritchardia munroi
Scaevola coriacea
Schiedea kaalae
Tetraplasandra oahuensis