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| Kingdom Animalia |
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Rana bergeri Günther in Engelmann, Fritzsche, Günther and Obst, 1986 -- valid |
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| Kingdom Plantae |
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Abies balsamea var. fallax (Engelm.) Boivin -- not accepted |
| |
Abies subalpina Engelmann -- not accepted |
| |
Acalypha gracilens ssp. monococca (Engelm. ex Gray) G.L. Webster -- not accepted |
| |
Acalypha gracilens var. monococca Engelm. ex Gray -- not accepted -- slender threeseed mercury |
| |
Acalypha monococca (Engelm. ex Gray) L. Mill. & Gandhi -- accepted -- slender threeseed mercury |
| |
Acanthocereus (Engelm. ex Berger) Britt. & Rose -- accepted -- triangle cactus |
| |
Acerates auriculata Engelm. ex Torr. -- not accepted |
| |
Agalinis spiciflora (Engelm.) Pennell -- not accepted |
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Agassizia suavis Gray & Engelm. -- not accepted |
| |
Agave deserti Engelm. -- accepted -- desert agave, Maguey de Desierto |
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Agave deserti ssp. deserti Engelm. -- accepted -- desert agave |
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Agave glomeruliflora (Engelm.) Berger -- accepted -- Chisos Mountain century plant, Maguey del Bravo |
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Agave maculata Engelm. ex Torr., non Regel -- not accepted |
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Agave palmeri Engelm. -- accepted -- Maguey de tlalcoyote, Palmer agave, Palmer century plant, Palmer's century plant |
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Agave parryi Engelm. -- accepted -- Mezcal yapavai, Parry agave, Parry's agave |
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Agave parryi ssp. parryi Engelm. -- accepted -- Huachuca agave, Parry's agave, rough agave |
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Agave parryi var. couesii (Engelm. ex Trel.) Kearney & Peebles -- not accepted |
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Agave parryi var. parryi Engelm. -- accepted -- Parry's agave |
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Agave rigida var. sisalana (Perrine) Engelm. -- not accepted |
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Agave schottii Engelm. -- accepted -- Maguey puercoespín, Schott agave, Schott's century plant |
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Agave schottii var. schottii Engelm. -- accepted -- Schott agave, Schott's century plant |
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Agave shawii Engelm. -- accepted -- coastal agave, Maguey primavera |
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Agave tigrina (Engelm.) Cory -- not accepted |
| |
Agave utahensis Engelm. -- accepted -- Utah agave |
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Agave utahensis var. nevadensis Engelm. ex Greenm. & Roush -- accepted -- Nevada agave |
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Agave utahensis var. utahensis Engelm. -- accepted -- Utah agave |
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Alsine obtusa (Engelm.) Rose -- not accepted |
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Ammoselinum butleri (Engelm. ex S. Wats.) Coult. & Rose -- accepted -- Butler's sandparsley |
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Ancistrocactus brevihamatus (Engelm.) Britt. & Rose -- not accepted |
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Ancistrocactus uncinatus var. wrightii (Engelm.) L. Benson -- not accepted |
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Antirrhinum wislizeni (Engelm. ex Gray) Tidestrom -- not accepted |
| |
Apinus albicaulis (Engelm.) Rydb. -- not accepted |
| |
Arceuthobium abietinum Engelm. ex Munz -- accepted -- fir dwarf mistletoe |
| |
Arceuthobium americanum Nutt. ex Engelm. -- accepted -- American dwarf mistletoe, lodgepole pine dwarf mistletoe |
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Arceuthobium campylopodum Engelm. -- accepted -- western dwarf mistletoe |
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Arceuthobium cryptopodum Engelm. -- not accepted |
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Arceuthobium divaricatum Engelm. -- accepted -- pinyon dwarf mistletoe |
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Arceuthobium douglasii Engelm. -- accepted -- Douglas fir dwarf mistletoe, Doulas fir dwarf mistletoe |
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Arceuthobium microcarpum (Engelm.) Hawksworth & Wiens -- accepted -- western spruce dwarf mistletoe |
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Arceuthobium occidentale Engelm. -- accepted -- digger pine dwarf mistletoe |
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Arceuthobium vaginatum ssp. cryptopodum (Engelm.) Hawksworth & Wiens -- accepted -- pineland dwarf mistletoe, ponderosa pine dwarf mistletoe |
| |
Arceuthobium vaginatum var. cryptopodum (Engelm.) Cronq. -- not accepted |
| |
Argythamnia humilis (Engelm. & Gray) Muell.-Arg. -- accepted -- low silverbush, low wildmercury |
| |
Argythamnia humilis var. humilis (Engelm. & Gray) Muell.-Arg. -- accepted -- low silverbush, low wildmercury |
| |
Ariocarpus fissuratus (Engelm.) K. Schum. -- accepted -- Biznaga peyotillo, chautle livingrock |
| |
Aristida basiramea Engelm. ex Vasey -- accepted -- forked three-awn, forked threeawn |
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Aristida ramosissima Engelm. ex Gray -- accepted -- s curve threeawn, s-curve threeawn |
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Aristida ramosissima var. ramosissima Engelm. ex Gray -- accepted -- s-curve threeawn |
| |
Aristolochia longiflora Engelm. & Gray -- not accepted |
| |
Asarina wislizeni (Engelm. ex Gray) Pennell -- not accepted |
| |
Asclepias auriculata (Engelm. ex Torr.) Holz. -- not accepted |
| |
Asclepias brachystephana Engelm. ex Torr. -- accepted -- bract milkweed, shortcrown milkweed |
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Asclepias involucrata Engelm. ex Torr. -- accepted -- dwarf milkweed |
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Asclepias sullivantii Engelm. ex Gray -- accepted -- prairie milkweed, sullivant milkweed |
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Astephanus utahensis Engelm. -- not accepted |
| |
Aster anomalus Engelm. -- not accepted -- manyray aster |
| |
Aster vernalis Engelm. ex Burgess -- not accepted |
| |
Astragalus lindheimeri Engelm. ex Gray -- accepted -- lindheimer milkvetch, Lindheimer's milkvetch |
| |
Baptisia X sulphurea Engelm. (pro sp.) -- accepted -- sulphur wild indigo |
| |
Bergerocactus emoryi (Engelm.) Engelm. -- accepted -- golden snakecactus, Órgano aterciopelado |
| |
Bergerocereus emoryi (Engelm.) Britt. & Rose -- not accepted |
| |
Bilderdykia cristata (Engelm. & Gray) Greene -- not accepted |
| |
Bilderdykia scandens var. cristata (Engelm. & Gray) C.F. Reed -- not accepted |
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Bouvardia glaberrima Engelm. -- not accepted |
| |
Brazoria Engelm. & Gray -- accepted -- brazos-mint, brazosmint |
| |
Brazoria scutellarioides Engelm. & Gray -- not accepted -- prairie brazosmint |
| |
Brazoria truncata (Benth.) Engelm. & Gray -- accepted -- rattlesnake flower |
| |
Brazoria truncata var. truncata (Benth.) Engelm. & Gray -- accepted -- rattlesnake flower |
| |
Brickellia cylindracea Gray & Engelm. -- accepted -- gravelbar brickellbush |
| |
Buchloe Engelm. -- accepted -- buffalograss |
| |
Buchloe dactyloides (Nutt.) Engelm. -- accepted -- buffalograss |
| |
Cactus robustispinus (Schott ex Engelm.) Kuntze -- not accepted |
| |
Calamaria saccharata (Engelm.) Kuntze -- not accepted |
| |
Calliandra herbacea Engelm. -- not accepted |
| |
Callitriche austinii Engelm. -- not accepted |
| |
Callitriche deflexa var. austinii (Engelm.) Hegelm. -- not accepted |
| |
Calylophus berlandieri ssp. pinifolius (Engelm. ex Gray) Towner -- accepted -- Berlandier's sundrops |
| |
Calytophus berlandieri pinifolius (Engelm. Ex Gray) Towner -- accepted |
| |
Camassia angusta (Engelm. & Gray) Blank. -- accepted -- prairie camas |
| |
Campanula scabrella Engelm. -- accepted -- rough bellflower |
| |
Capnoides crystallinum (Engelm.) Kuntze -- not accepted |
| |
Capnoides micranthum (Engelm. ex Gray) Britt. -- not accepted |
| |
Capnoides montanum (Engelm.) Britt. -- not accepted |
| |
Carnegia gigantea (Engelm.) Britt. & Rose -- accepted -- saguaro |
| |
Carnegiea gigantea (Engelm.) Britton & Rose -- accepted -- Saguaro, saguaro |
| |
Castilleja indivisa Engelm. -- accepted -- entireleaf Indian paintbrush, Texas paintbrush |
| |
Catalpa speciosa (Warder) Warder ex Engelm. -- accepted -- northern catalpa |
| |
Cathartolinum aristatum (Engelm.) Small -- not accepted |
| |
Cathartolinum puberulum (Engelm.) Small -- not accepted |
| |
Celtis lindheimeri Engelm. ex K. Koch -- accepted -- lindheimer hackberry, Lindheimer's hackberry, palo blanco |
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Centaurium nudicaule (Engelm.) B.L. Robins. -- accepted -- Santa Catalina centaurium, Santa Catalina Mountain centaury |
| |
Cerastium brachypodum (Engelm. ex Gray) B.L. Robins. -- accepted -- bractpod chickweed, mouse-ear chickweed, short-stalk mouse-ear chickwee, shortstalk chickweed |
| |
Cerastium nutans var. brachypodum Engelm. ex Gray -- not accepted |
| |
Cereus emoryi Engelm. -- not accepted |
| |
Cereus giganteus Engelm. -- not accepted -- saguaro |
| |
Cereus greggii Engelm. -- not accepted |
| |
Cereus greggii var. transmontanus Engelm. -- not accepted |
| |
Cereus pectinatus var. rigidissimus Engelm. -- not accepted |
| |
Cereus schottii Engelm. -- not accepted |
| |
Cereus thurberi Engelm. -- not accepted |
| |
Cereus viridiflorus var. cylindricus Engelm. -- not accepted |
| |
Chaetopappa bellidifolia (Gray & Engelm.) Shinners -- accepted -- whiteray leastdaisy |
| |
Chamaesyce acuta (Engelm.) Millsp. -- accepted -- pointed sandmat |
| |
Chamaesyce angusta (Engelm.) Small -- accepted -- blackfoot sandmat |
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Chamaesyce arizonica (Engelm.) Arthur -- accepted -- Arizona sandmat |
| |
Chamaesyce astyla (Engelm. ex Boiss.) Millsp. -- accepted -- alkali sandmat |
| |
Chamaesyce blodgettii (Engelm. ex A.S. Hitchc.) Small -- accepted -- limestone sandmat |
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Chamaesyce capitellata (Engelm.) Millsp. -- accepted -- head sandmat |
| |
Chamaesyce cinerascens (Engelm.) Small -- accepted -- ashy sandmat |
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Chamaesyce deltoidea (Engelm. ex Chapman) Small -- accepted -- wedge sandmat |
| |
Chamaesyce deltoidea ssp. deltoidea (Engelm. ex Chapman) Small -- accepted -- deltoid spurge, wedge sandmat |
| |
Chamaesyce deltoidea ssp. deltoidea var. deltoidea (Engelm. ex Chapman) Small -- accepted -- wedge sandmat |
| |
Chamaesyce florida (Engelm.) Millsp. -- accepted -- Chiricahua Mountain sandmat |
| |
Chamaesyce garberi (Engelm. ex Chapman) Small -- accepted -- Garber's sandmat, garber's spurge |
| |
Chamaesyce geyeri (Engelm.) Small -- accepted -- geyer supurge, Geyer's sandmat |
| |
Chamaesyce geyeri var. geyeri (Engelm.) Small -- accepted -- Geyer's sandmat |
| |
Chamaesyce glyptosperma (Engelm.) Small -- accepted -- rib-seed sandmat, ribseed sandmat, ridgeseed spurge |
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Chamaesyce humistrata (Engelm.) Small -- accepted -- spreading sandmat |
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Chamaesyce indivisa (Engelm.) Millsp. -- not accepted |
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Chamaesyce lata (Engelm.) Small -- accepted -- hoary sandmat, hoary spurge |
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Chamaesyce micromera (Boiss. ex Engelm.) Woot. & Standl. -- accepted -- desert spurge, Sonoran sandmat |
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Chamaesyce nuttallii (Engelm.) Small -- not accepted |
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Chamaesyce parryi (Engelm.) Rydb. -- accepted -- Parry's sandmat, Parry's spurge |
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Chamaesyce pediculifera (Engelm.) Rose & Standl. -- accepted -- Carrizo Mountain sandmat |
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Chamaesyce petaloidea (Engelm.) Small -- not accepted |
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Chamaesyce platysperma (Engelm. ex S. Wats.) Shinners -- accepted -- flat-seed sandmat, flatseed sandmat |
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Chamaesyce pycnanthema (Engelm.) Millsp. -- not accepted |
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Chamaesyce revoluta (Engelm.) Small -- accepted -- thread-stem sandmat, threadstem sandmat, threadstem spurge |
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Chamaesyce serpyllifolia ssp. hirtella (Engelm. ex S. Wats.) Koutnik -- accepted -- thymeleaf sandmat |
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Chamaesyce serpyllifolia var. hirtella (Engelm. ex S. Wats.) L.C. Wheeler -- not accepted |
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Chamaesyce serrula (Engelm.) Woot. & Standl. -- accepted -- saw-tooth sandmat, sawtooth sandmat |
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Chamaesyce setiloba (Engelm. ex Torr.) Millsp. ex Parish -- accepted -- Yuma sandmat, Yuma spurge |
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Chamaesyce stictospora (Engelm.) Small -- accepted -- slim-seed sandmat, slimseed sandmat, slimseed spurge |
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Chamaesyce trachysperma (Engelm.) Millsp. -- accepted -- San Pedro River sandmat |
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Chilopsis linearis var. glutinosa (Engelm.) Fosberg -- not accepted |
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Cirsium altissimum var. filipendulum (Engelm.) Gray -- not accepted |
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Cirsium filipendulum Engelm. -- not accepted |
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Clematis coccinea Engelm. -- not accepted |
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Clistoyucca brevifolia (Engelm.) Rydb. -- not accepted |
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Cnidoscolus stimulosus (Michx.) Engelm. & Gray -- accepted -- finger rot |
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Colubrina stricta Engelm. ex M.C. Johnston -- accepted -- comal nakedwood |
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Corydalis aurea ssp. occidentalis (Engelm. ex Gray) G.B. Ownbey -- not accepted -- scrambledeggs |
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Corydalis aurea var. micrantha Engelm. ex Gray -- not accepted |
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Corydalis aurea var. occidentalis Engelm. ex Gray -- not accepted |
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Corydalis crystallina Engelm. -- accepted -- mealy corydalis, mealy fumewort |
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Corydalis curvisiliqua Engelm. -- accepted -- curvepod corydalis, curvepod fumewort |
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Corydalis curvisiliqua ssp. curvisiliqua Engelm. -- accepted -- curvepod fumewort |
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Corydalis curvisiliqua ssp. occidentalis (Engelm. ex Gray) W.A. Weber -- accepted -- curvepod fumewort |
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Corydalis micrantha (Engelm. ex Gray) Gray -- accepted -- smallflower corydalis, smallflower fumewort |
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Corydalis micrantha ssp. micrantha (Engelm. ex Gray) Gray -- accepted -- smallflower fumewort |
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Corydalis montana Engelm. -- not accepted |
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Coryphantha (Engelm.) Lem. -- accepted -- beehive cactus, coryphantha, coryphantha cactus |
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Coryphantha arizonica (Engelm.) Britt. & Rose -- not accepted |
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Coryphantha cornifera var. echinus (Engelm.) L. Benson -- not accepted -- rhinoceros cactus |
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Coryphantha dasyacantha (Engelm.) Orcutt -- not accepted |
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Coryphantha deserti (Engelm.) Britt. & Rose -- not accepted |
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Coryphantha echinus (Engelm.) Britt. & Rose -- accepted -- Biznaga-partida erizo, rhinoceros cactus |
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Coryphantha macromeris (Engelm.) Lem. -- accepted -- Biznaga-partida partida, nipple beehive cactus |
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Coryphantha macromeris var. macromeris (Engelm.) Lem. -- accepted -- nipple beehive cactus |
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Coryphantha missouriensis var. caespitosa (Engelm.) L. Benson -- not accepted |
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Coryphantha missouriensis var. robustior (Engelm.) L. Benson -- not accepted |
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Coryphantha neomexicana (Engelm.) Britt. & Rose -- not accepted |
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Coryphantha pectinata (Engelm.) Britt. & Rose -- not accepted |
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Coryphantha radiosa (Engelm.) Rydb. -- not accepted |
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Coryphantha recurvata (Engelm.) Britt. & Rose -- accepted -- Biznaga-partida de espinas curvas, Santa Cruz beehive cactus |
| |
Coryphantha robustispina (Schott ex Engelm.) Britt. & Rose -- not accepted -- Biznaga-partida de espinas gruesas |
| |
Coryphantha scheeri var. robustispina (Schott ex Engelm.) L. Benson -- accepted -- longtubercle beehive cactus, Pima pineapple cactus |
| |
Coryphantha scheeri var. valida (Engelm.) L. Benson -- accepted -- pineapple cactus, Scheer's beehive cactus |
| |
Coryphantha similis (Engelm.) Britt. & Rose -- not accepted |
| |
Coryphantha sulcata (Engelm.) Britt. & Rose -- accepted -- finger cactus, pineapple cactus |
| |
Coryphantha sulcata var. sulcata (Engelm.) Britt. & Rose -- accepted -- pineapple cactus |
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Coryphantha vivipara var. aggregata (Engelm.) W.T. Marsh. -- not accepted |
| |
Coryphantha vivipara var. arizonica (Engelm.) W.T. Marsh. -- not accepted |
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Coryphantha vivipara var. deserti (Engelm.) W.T. Marsh. -- not accepted |
| |
Coryphantha vivipara var. neomexicana (Engelm.) Backeberg -- not accepted |
| |
Coryphantha vivipara var. radiosa (Engelm.) Backeberg -- not accepted |
| |
Crataegus brachyacantha Sarg. & Engelm. -- accepted -- blueberry hawthorn |
| |
Crataegus nitida (Engelm.) Sarg. -- accepted -- glossy hawthorn |
| |
Croton capitatus var. lindheimeri (Engelm. & Gray) Muell.-Arg. -- accepted -- Lindheimer's hogwort |
| |
Croton corymbulosus Engelm. -- not accepted |
| |
Croton fruticulosus Engelm. ex Torr. -- accepted -- bush croton, shrubby croton |
| |
Croton lindheimeri (Engelm. & Gray) Engelm. & Gray ex Wood -- not accepted |
| |
Cuscuta applanata Engelm. -- accepted -- Gila River dodder |
| |
Cuscuta arvensis Bey. ex Engelm. -- not accepted |
| |
Cuscuta californica var. apiculata Engelm. -- accepted -- chaparral dodder |
| |
Cuscuta californica var. breviflora Engelm. -- accepted -- California dodder, chaparral dodder, western dodder |
| |
Cuscuta cassytoides Nees ex Engelm. -- accepted -- African dodder |
| |
Cuscuta cephalanthi Engelm. -- accepted -- butterbush dodder, buttonbush dodder |
| |
Cuscuta coryli Engelm. -- accepted -- hazel dodder |
| |
Cuscuta corylii Engelm. -- accepted |
| |
Cuscuta curta (Engelm.) Rydb. -- not accepted |
| |
Cuscuta cuspidata Engelm. -- accepted -- cusp dodder |
| |
Cuscuta denticulata Engelm. -- accepted -- desert dodder, small-tooth dodder |
| |
Cuscuta denticulata var. denticulata Engelm. -- accepted -- desert dodder, smalltooth dodder |
| |
Cuscuta exaltata Engelm. -- accepted -- tall dodder |
| |
Cuscuta glabrior (Engelm.) Yuncker -- not accepted |
| |
Cuscuta glabrior var. pubescens (Engelm.) Yuncker -- not accepted |
| |
Cuscuta glandulosa (Engelm.) Small -- not accepted |
| |
Cuscuta gronovii var. calyptrata Engelm. -- accepted -- scaldweed |
| |
Cuscuta gronovii var. curta Engelm. -- not accepted |
| |
Cuscuta gronovii var. latiflora Engelm. -- not accepted |
| |
Cuscuta gronovii var. saururi (Engelm.) MacM. -- not accepted |
| |
Cuscuta indecora var. neuropetala (Engelm.) A.S. Hitchc. -- accepted -- bigseed alfalfa dodder, bigseed dodder |
| |
Cuscuta leptantha Engelm. -- accepted -- slender dodder |
| |
Cuscuta mitriformis Engelm. -- accepted -- Cochise dodder, joint dodder |
| |
Cuscuta obtusiflora var. glandulosa Engelm. -- accepted -- Peruvian dodder |
| |
Cuscuta odontolepis Engelm. -- accepted -- Santa Rita dodder, Santa Rita Mountain dodder |
| |
Cuscuta pentagona Engelm. -- accepted -- bush-clover dodder, field dodder, fiveangled dodder, lespedeza dodder |
| |
Cuscuta pentagona var. calycina Engelm. -- not accepted |
| |
Cuscuta pentagona var. glabrior (Engelm.) Gandhi, Thomas & Hatch -- accepted -- bushclover dodder, field dodder |
| |
Cuscuta pentagona var. pentagona Engelm. -- accepted -- bush-clover dodder, field dodder, fiveangle dodder, fiveangled dodder |
| |
Cuscuta pentagona var. pubescens (Engelm.) Yuncker -- accepted -- bushclover dodder, field dodder |
| |
Cuscuta polygonorum Engelm. -- accepted -- smartweed dodder |
| |
Cuscuta rostrata Shuttlw. ex Engelm. & Gray -- accepted -- beaked dodder |
| |
Cuscuta salina Engelm. -- accepted -- goldenthread, saltmarsh dodder |
| |
Cuscuta salina var. salina Engelm. -- accepted -- saltmarsh dodder |
| |
Cuscuta squamata Engelm. -- accepted -- scaleflower dodder |
| |
Cylindropuntia whipplei (Engelm. & Bigelow) F.M. Knuth -- not accepted |
| |
Cymanchum utahense (Engelm.) Woodson -- accepted |
| |
Cynanchum utahense (Engelm.) Woods. -- accepted -- Utah astephanus, Utah swallow-wort, Utah swallowwort |
| |
Cyperus refractus Engelm. ex Boeckl. -- accepted -- reflexed flatsedge |
| |
Dasylirion leiophyllum Engelm. ex Trel. -- accepted -- green sotol, smooth sotol, Sotol brillante |
| |
Daucosma Engelm. & Gray ex Gray -- accepted -- daucosma |
| |
Daucosma laciniata Engelm. & Gray -- accepted -- meadow parasol |
| |
Descurainia incana ssp. incisa (Engelm.) Kartesz & Gandhi -- accepted -- mountain tansy mustard, mountain tansymustard |
| |
Descurainia incisa (Engelm.) Britt. -- not accepted |
| |
Descurainia richardsonii ssp. incisa (Engelm.) Detling -- not accepted |
| |
Desmodium wislizeni Engelm. ex Gray -- not accepted |
| |
Dianthera humilis (Michx.) Engelm. & Gray -- not accepted |
| |
Dicentra ochroleuca Engelm. -- not accepted -- yellow bleedinghearts |
| |
Dimorphocarpa wislizeni (Engelm.) Rollins -- accepted -- spectacle pod, spectaclepod, touristplant, Wislizeni's spectaclepod |
| |
Dimorphocarpa wislizenii (Engelm.) Rollins -- accepted |
| |
Dipteracanthus micranthus Engelm. & Gray -- not accepted |
| |
Dipteracanthus nudiflorus Engelm. & Gray -- not accepted |
| |
Ditaxis humilis (Engelm. & Gray) Pax -- not accepted |
| |
Dithyrea wislizeni Engelm. -- not accepted |
| |
Echinocactus bicolor var. schottii Engelm. -- not accepted |
| |
Echinocactus brevihamatus Engelm. -- not accepted |
| |
Echinocactus intertextus Engelm. -- not accepted |
| |
Echinocactus intertextus var. dasyacanthus Engelm. -- not accepted |
| |
Echinocactus johnsonii Parry ex Engelm. -- not accepted |
| |
Echinocactus lecontei Engelm. -- not accepted |
| |
Echinocactus papyracanthus Engelm. -- not accepted |
| |
Echinocactus polyancistrus Engelm. & Bigelow -- not accepted |
| |
Echinocactus polycephalus Engelm. & Bigelow -- accepted -- Biznaga-tonel amacollada, cottontop barrel cactus, cottontop cactus |
| |
Echinocactus polycephalus var. polycephalus Engelm. & Bigelow -- accepted -- cottontop cactus |
| |
Echinocactus setispinus Engelm. -- not accepted |
| |
Echinocactus setispinus var. hamatus (Muehlenpfordt) Engelm. -- not accepted |
| |
Echinocactus simpsonii Engelm. -- not accepted |
| |
Echinocactus uncinatus var. wrightii Engelm. -- not accepted |
| |
Echinocactus whipplei Engelm. & Bigelow -- not accepted |
| |
Echinocactus whipplei var. spinosior Engelm. -- not accepted |
| |
Echinocactus wislizeni Engelm. -- not accepted |
| |
Echinocactus xeranthemoides (Coult.) Engelm. ex Rydb. -- not accepted |
| |
Echinocereus Engelm. -- accepted -- hedgehog cactus |
| |
Echinocereus berlandieri (Engelm.) Haage f. -- accepted -- Berlandier's hedgehog cactus, Órgano-pequeño de Berlandier |
| |
Echinocereus caespitosus (Engelm.) Engelm. -- not accepted |
| |
Echinocereus caespitosus var. minor Engelm. -- not accepted |
| |
Echinocereus chloranthus (Engelm.) Haage f. -- not accepted -- brownspine hedgehog cactus, Órgano-pequeño de flor verde |
| |
Echinocereus chloranthus var. chloranthus (Engelm.) Haage f. -- accepted -- brownspine hedgehog cactus |
| |
Echinocereus chloranthus var. cylindricus (Engelm.) N.P. Taylor -- not accepted -- brownspine hedgehog cactus |
| |
Echinocereus coccineus Engelm. -- accepted -- Órgano-pequeño de espinas escarlatas, scarlet hedgehog cactus |
| |
Echinocereus coccineus var. coccineus Engelm. -- accepted -- Bisbee cactus, scarlet hedgehog cactus |
| |
Echinocereus coccineus var. conoideus (Engelm.) Weniger -- not accepted |
| |
Echinocereus coccineus var. paucispinus (Engelm.) Ferguson -- accepted -- scarlet hedgehog cactus |
| |
Echinocereus ctenoides (Engelm.) Lem. -- not accepted |
| |
Echinocereus dasyacanthus Engelm. -- accepted -- Órgano-pequeño arcoiris de Texas, spiny hedgehog cactus |
| |
Echinocereus dubius (Engelm.) Engelm. ex Rumpl. -- not accepted |
| |
Echinocereus engelmannii (Parry ex Engelm.) Lem. -- accepted -- Engelmann hedgehog, Engelmann's hedgehog cactus, Órgano-pequeño fresa, strawberry cactus |
| |
Echinocereus engelmannii var. chrysocentrus (Engelm. & Bigelow) Rumpl. -- accepted -- Engelmann's hedgehog cactus, saint's hedgehog cactus, yellow-center hedgehog cactus |
| |
Echinocereus engelmannii var. engelmannii (Parry ex Engelm.) Lem. -- accepted -- Engelmann hedgehog, Engelmann's cactus, Engelmann's hedgehog cactus |
| |
Echinocereus engelmannii var. variegatus (Engelm. & Bigelow) Rumpl. -- accepted -- Engelmann's hedgehog cactus, varigated hedgehog cactus |
| |
Echinocereus enneacanthus Engelm. -- accepted -- Órgano-pequeño alicoche real, pitaya, smallspine pitaya |
| |
Echinocereus enneacanthus var. dubius (Engelm.) L. Benson -- not accepted |
| |
Echinocereus enneacanthus var. enneacanthus Engelm. -- accepted -- pitaya |
| |
Echinocereus enneacanthus var. stramineus (Engelm.) L. Benson -- not accepted |
| |
Echinocereus fasciculatus (Engelm. ex B.D. Jackson) L. Benson -- not accepted -- Órgano-pequeño de manojos |
| |
Echinocereus fendleri (Engelm.) F. Seitz -- accepted -- fendler cactus, Fendler hedgehog cactus, Órgano-pequeño de Nuevo México, pinkflower hedgehog cactus |
| |
Echinocereus fendleri var. fasciculatus (Engelm. ex B.D. Jackson) N.P. Taylor -- accepted -- pinkflower hedgehog cactus, strawberry cactus |
| |
Echinocereus fendleri var. fendleri (Engelm.) F. Seitz -- accepted -- Fendler hedgehog cactus, Fendler's hedgehog cactus, pinkflower hedgehog cactus |
| |
Echinocereus mojavensis (Engelm. & Bigelow) Rumpl. -- not accepted |
| |
Echinocereus pectinatus (Scheidw.) Engelm. -- accepted -- Órgano-pequeño peine, rainbow cactus |
| |
Echinocereus pectinatus var. ctenoides (Engelm.) Weniger -- not accepted |
| |
Echinocereus pectinatus var. dasyacanthus (Engelm.) N.P. Taylor -- not accepted -- rainbow cactus |
| |
Echinocereus pectinatus var. minor auct. non (Engelm.) L. Benson -- not accepted |
| |
Echinocereus pectinatus var. pectinatus (Scheidw.) Engelm. -- accepted -- rainbow cactus |
| |
Echinocereus pectinatus var. rigidissimus (Engelm.) Rumpl. -- not accepted |
| |
Echinocereus polyacanthus Engelm. -- accepted -- Mojave mound cactus, Órgano-pequeño enmarañado |
| |
Echinocereus rigidissimus (Engelm.) Haage f. -- accepted -- rainbow hedgehog cactus |
| |
Echinocereus stramineus (Engelm.) F. Seitz -- accepted -- Órgano-pequeño sanjuanero, strawberry hedgehog cactus |
| |
Echinocereus triglochidiatus Engelm. -- accepted -- claretcup hedgehog, kingcup cactus, Mojave mound cactus, Órgano-pequeño copa de vino |
| |
Echinocereus triglochidiatus var. gonacanthus (Engelm. & Bigelow) Boissevain -- not accepted |
| |
Echinocereus triglochidiatus var. hexaedrus (Engelm.) Boissevain & C. Davids. -- not accepted |
| |
Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. Benson -- not accepted |
| |
Echinocereus triglochidiatus var. mojavensis (Engelm. & Bigelow) L. Benson -- accepted -- Mohave hedgehog cactus, Mojave kingcup cactus |
| |
Echinocereus triglochidiatus var. paucispinus (Engelm.) W.T. Marsh. -- not accepted |
| |
Echinocereus triglochidiatus var. polyacanthus (Engelm.) L. Benson -- not accepted |
| |
Echinocereus triglochidiatus var. triglochidiatus Engelm. -- accepted -- kingcup cactus |
| |
Echinocereus viridiflorus Engelm. -- accepted -- green pitaya, nylon hedgehog cactus |
| |
Echinocereus viridiflorus var. cylindricus (Engelm.) Rumpl. -- accepted -- nylon hedgehog cactus |
| |
Echinocereus viridiflorus var. viridiflorus Engelm. -- accepted -- nylon hedgehog cactus |
| |
Echinocereus X roetteri (Engelm.) Ruempler -- accepted |
| |
Echinodorus L.C. Rich. ex Engelm. -- accepted -- burrhead |
| |
Echinodorus berteroi var. lanceolatus (Engelm. ex S. Wats. & Coult.) Fassett -- not accepted |
| |
Echinodorus parvulus Engelm. -- not accepted -- mudbabies |
| |
Echinodorus radicans (Nutt.) Engelm. -- not accepted |
| |
Echinodorus ranunculoides (L.) Engelm. -- not accepted |
| |
Echinodorus rostratus (Nutt.) Engelm. ex Gray -- not accepted |
| |
Echinodorus rostratus var. lanceolatus Engelm. ex S. Wats. & Coult. -- not accepted |
| |
Echinodorus tenellus var. parvulus (Engelm.) Fassett -- not accepted |
| |
Echinomastus intertextus (Engelm.) Britt. & Rose -- not accepted |
| |
Echinomastus intertextus var. dasyacanthus (Engelm.) Backeberg -- not accepted |
| |
Echinomastus johnsonii (Parry ex Engelm.) E.M. Baxter -- not accepted |
| |
Elodea minor (Engelm. ex Caspary) Farw. -- not accepted |
| |
Ephedra aspera Engelm. ex S. Wats. -- accepted -- aspera mormon tea, boundary ephedra, rough jointfir |
| |
Ephedra nevadensis var. aspera (Engelm. ex S. Wats.) L. Benson -- not accepted |
| |
Ephedra pedunculata Engelm. ex S. Wats. -- accepted -- vine ephedra, vine jointfir |
| |
Epithelantha micromeris (Engelm.) A. Weber ex Britt. & Rose -- accepted -- Biznaga-blanca chilona, pingpong ball cactus |
| |
Epithelantha micromeris var. micromeris (Engelm.) A. Weber ex Britt. & Rose -- accepted -- pingpong ball cactus |
| |
Epixiphium wislizeni (Engelm. ex Gray) Munz -- accepted -- balloonbush |
| |
Equisetum affine Engelm. -- not accepted |
| |
Equisetum hyemale ssp. affine (Engelm.) Calder & Taylor -- not accepted |
| |
Equisetum hyemale var. affine (Engelm.) A.A. Eat. -- accepted -- scouringrush horsetail, stout scouringrush, tall scouring-rush |
| |
Equisetum hyemale var. elatum (Engelm.) Morton -- not accepted |
| |
Eriogonum alpinum Engelm. -- accepted -- Trinity buckwheat |
| |
Eriogonum atrorubens Engelm. -- accepted -- buckwheat, red buckwheat |
| |
Eriogonum longifolium var. plantagineum Engelm. & Gray -- not accepted |
| |
Eriophorum viridicarinatum (Engelm.) Fern. -- accepted -- tassel cotton-grass, thinleaf cottonsedge |
| |
Eryngium heterophyllum Engelm. -- accepted -- Wright's eryngo |
| |
Escobaria dasyacantha (Engelm.) Britt. & Rose -- accepted -- Big Bend foxtail cactus, Biznaga-Escobar de espinas gruesas |
| |
Escobaria dasyacantha var. dasyacantha (Engelm.) Britt. & Rose -- accepted -- Big Bend foxtail cactus |
| |
Escobaria missouriensis var. caespitosa (Engelm.) D.R. Hunt -- not accepted |
| |
Escobaria missouriensis var. robustior (Engelm.) D.R. Hunt -- accepted -- Missouri foxtail cactus |
| |
Escobaria missouriensis var. similis (Engelm.) N.P. Taylor -- accepted -- Missouri foxtail cactus |
| |
Escobaria tuberculosa (Engelm.) Britt. & Rose -- accepted -- Biznaga-Escobar rómbica, white-column foxtail cactus, whitecolumn foxtail cactus |
| |
Escobaria vivipara var. arizonica (Engelm.) D.R. Hunt -- accepted -- Arizona pincushion cactus, Arizona spinystar |
| |
Escobaria vivipara var. deserti (Engelm.) D.R. Hunt -- accepted -- desert spinystar |
| |
Escobaria vivipara var. neomexicana (Engelm.) Buxbaum -- accepted -- New Mexico spinystar |
| |
Escobaria vivipara var. radiosa (Engelm.) D.R. Hunt -- accepted -- spinystar |
| |
Eupatorium cuneatum (Engelm. ex Gray) Engelm. ex Small -- not accepted |
| |
Eupatorium perfoliatum var. cuneatum Engelm. ex Gray -- not accepted |
| |
Euphorbia acuta Engelm. -- not accepted |
| |
Euphorbia angusta Engelm. -- not accepted |
| |
Euphorbia arizonica Engelm. -- not accepted |
| |
Euphorbia arkansana Engelm. & Gray -- not accepted |
| |
Euphorbia astyla Engelm. ex Boiss. -- not accepted |
| |
Euphorbia barbellata Engelm. -- not accepted |
| |
Euphorbia bicolor Engelm. & Gray -- accepted -- snow on the prairie, snow-on-the-prairie |
| |
Euphorbia bifurcata Engelm. -- accepted -- forked spurge |
| |
Euphorbia bilobata Engelm. -- accepted -- black-seed spurge, blackseed spurge |
| |
Euphorbia blodgettii Engelm. ex A.S. Hitchc. -- not accepted |
| |
Euphorbia brachycera Engelm. -- accepted -- horned spurge |
| |
Euphorbia brachycera var. robusta (Engelm.) Dorn -- not accepted |
| |
Euphorbia capitellata Engelm. -- not accepted |
| |
Euphorbia cinerascens Engelm. -- not accepted |
| |
Euphorbia commutata Engelm. -- accepted -- tinted euphorbia, tinted woodland spurge |
| |
Euphorbia crenulata Engelm. -- accepted -- Chinese caps, Chinesecaps |
| |
Euphorbia cuphosperma (Engelm.) Boiss. -- accepted |
| |
Euphorbia curtisii Engelm. -- accepted -- Curtis' spurge |
| |
Euphorbia deltoidea Engelm. ex Chapman -- not accepted |
| |
Euphorbia dentata var. cuphosperma (Engelm.) Fern. -- not accepted |
| |
Euphorbia dentata var. linearis Engelm. ex Boiss. -- not accepted |
| |
Euphorbia dentata var. rigida Engelm. -- not accepted |
| |
Euphorbia exstipulata Engelm. -- accepted -- square-seed spurge, squareseed spurge |
| |
Euphorbia exstipulata var. exstipulata Engelm. -- accepted -- squareseed spurge |
| |
Euphorbia florida Engelm. -- not accepted |
| |
Euphorbia garberi Engelm. ex Chapman -- not accepted |
| |
Euphorbia geyeri Engelm. -- not accepted |
| |
Euphorbia glyptosperma Engelm. -- not accepted -- ribseed sandmat, ridgeseed spurge |
| |
Euphorbia heterophylla var. barbellata (Engelm.) Holz. -- not accepted |
| |
Euphorbia heterophylla var. graminifolia Engelm. -- not accepted |
| |
Euphorbia humistrata Engelm. -- not accepted -- spreading sandmat |
| |
Euphorbia incisa Engelm. -- accepted -- Mojave spurge |
| |
Euphorbia incisa var. incisa Engelm. -- accepted -- Mojave spurge |
| |
Euphorbia indivisa (Engelm.) Tidestrom -- not accepted |
| |
Euphorbia lata Engelm. -- not accepted |
| |
Euphorbia lurida Engelm. -- not accepted -- San Francisco Mountain spurge |
| |
Euphorbia micromera Boiss. ex Engelm. -- not accepted |
| |
Euphorbia missurica var. intermedia (Engelm.) L.C. Wheeler -- not accepted |
| |
Euphorbia missurica var. petaloidea (Engelm.) Dorn -- not accepted |
| |
Euphorbia montana Engelm. -- not accepted |
| |
Euphorbia nuttallii (Engelm.) Small -- not accepted |
| |
Euphorbia palmeri Engelm. ex S. Wats. -- accepted -- wood spurge, woodland spurge |
| |
Euphorbia palmeri var. palmeri Engelm. ex S. Wats. -- accepted -- woodland spurge |
| |
Euphorbia palmeri var. subpubens (Engelm. ex S. Wats.) L.C. Wheeler -- accepted -- woodland spurge |
| |
Euphorbia parryi Engelm. -- not accepted |
| |
Euphorbia pediculifera Engelm. -- not accepted |
| |
Euphorbia peplidion Engelm. -- accepted -- low spurge |
| |
Euphorbia petaloidea Engelm. -- not accepted |
| |
Euphorbia platysperma Engelm. ex S. Wats. -- not accepted |
| |
Euphorbia polyphylla Engelm. ex Chapman -- accepted -- Lesser Florida spurge |
| |
Euphorbia pycnanthema Engelm. -- not accepted |
| |
Euphorbia revoluta Engelm. -- not accepted |
| |
Euphorbia robusta (Engelm.) Small ex. Britt. & Br. -- not accepted -- Rocky Mountain spurge |
| |
Euphorbia serpyllifolia ssp. hirtella (Engelm. ex S. Wats.) Oudejans -- not accepted |
| |
Euphorbia serpyllifolia var. hirtella (Engelm. ex S. Wats.) L.C. Wheeler -- not accepted |
| |
Euphorbia serrula Engelm. -- not accepted |
| |
Euphorbia setiloba Engelm. ex Torr. -- not accepted |
| |
Euphorbia stictospora Engelm. -- not accepted |
| |
Euphorbia tetrapora Engelm. -- accepted -- weak spurge |
| |
Euphorbia trachysperma Engelm. -- not accepted |
| |
Euphorbia villifera var. nuda Engelm. ex Boiss. -- not accepted |
| |
Eustylis purpurea (Herbert) Engelm. & Gray -- not accepted |
| |
Eysenhardtia spinosa Engelm. -- accepted -- spiny kidneywood |
| |
Fendlera Engelm. & Gray -- accepted -- fendlerbush |
| |
Ferocactus acanthodes var. lecontei (Engelm.) Lindsay -- not accepted |
| |
Ferocactus cylindraceus (Engelm.) Orcutt -- accepted -- Biznaga-barril cilíndrica, California barrel cactus, California barrelcactus |
| |
Ferocactus cylindraceus var. cylindraceus (Engelm.) Orcutt -- accepted -- California barrel cactus, campus barrel cactus |
| |
Ferocactus cylindraceus var. eastwoodiae (Engelm.) N.P. Taylor -- accepted -- California barrel cactus, yellowspine barrel cactus |
| |
Ferocactus cylindraceus var. lecontei (Engelm.) H. Bravo -- accepted -- Leconte's barrel cactus, Leconte's barrelcactus, redspine barrel cactus |
| |
Ferocactus emoryi (Engelm.) Orcutt -- accepted -- Biznaga-barril de Emory, Emory barrel cactus, Emory's barrel cactus |
| |
Ferocactus lecontei (Engelm.) Britt. & Rose -- not accepted -- Biznaga-barril de Gila |
| |
Ferocactus setispinus (Engelm.) L. Benson -- not accepted |
| |
Ferocactus uncinatus var. wrightii (Engelm.) N.P. Taylor -- not accepted |
| |
Ferocactus wislizeni (Engelm.) Britt. & Rose -- accepted -- Biznaga-barril de Nuevo México, candy barrelcactus, fishhook barrel cactus |
| |
Ferocactus wislizenii (Engelm.) Britton and Rose -- accepted |
| |
Fouquieria splendens Engelm. -- accepted -- ocotillo |
| |
Funastrum heterophyllum (Engelm. ex Torr.) Standl. -- not accepted |
| |
Gaillardia suavis (Gray & Engelm.) Britt. & Rusby -- accepted -- perfumeballs, sweet gaillardia |
| |
Galarhoeus arkansanus (Engelm. & Gray) Small ex Rydb. -- not accepted |
| |
Galarhoeus commutatus (Engelm.) Small -- not accepted |
| |
Gaura lindheimeri Engelm. & Gray -- accepted -- Lindheimer's beeblossom, white gaura |
| |
Gaura suffulta Engelm. ex Gray -- accepted -- kisses, roadside gaura |
| |
Gaura suffulta ssp. suffulta Engelm. ex Gray -- accepted -- kisses |
| |
Gentiana amarella ssp. heterosepala (Engelm.) J. Gillett -- not accepted |
| |
Gentiana barbellata Engelm. -- not accepted |
| |
Gentiana heterosepala Engelm. -- not accepted |
| |
Gentiana oregana Engelm. ex Gray -- not accepted |
| |
Gentiana parryi Engelm. -- accepted -- Parry gentian, Parry's gentian |
| |
Gentiana prostrata var. americana Engelm. -- not accepted |
| |
Gentiana sceptrum var. humilis Engelm. ex Gray -- not accepted |
| |
Gentiana wislizeni Engelm. -- not accepted |
| |
Gentianella amarella ssp. heterosepala (Engelm.) J. Gillett -- accepted -- autumn dwarf gentian, dwarf gentian |
| |
Gentianella amarella var. heterosepala (Engelm.) Dorn -- not accepted |
| |
Gentianella barbellata (Engelm.) J. Gillett -- not accepted |
| |
Gentianella heterosepala (Engelm.) Holub -- not accepted |
| |
Gentianella wislizeni (Engelm.) J. Gillett -- accepted -- Chiricahua dwarf gentian, Chiricahua Mountain dwarf gentian |
| |
Gentianella wislizenii (Engelm.) J. M. Gillett -- accepted |
| |
Gentianopsis barbellata (Engelm.) Iltis -- accepted -- perennial fringed gentian, perennial fringed-gentian, perennial fringedgentian |
| |
Geranium caespitosum var. parryi (Engelm.) W.A. Weber -- accepted -- Parry geranium, Parry's geranium |
| |
Geranium fremontii var. parryi Engelm. -- not accepted |
| |
Geranium parryi (Engelm.) Heller -- not accepted |
| |
Gerardia spiciflora Engelm. -- not accepted |
| |
Gonolobus cynanchoides Engelm. -- not accepted |
| |
Gonolobus reticulatus Engelm. ex Gray -- not accepted |
| |
Grammica cephalanthi (Engelm.) Hadac & Chrtek -- not accepted |
| |
Grammica coryli (Engelm.) Hadac & Chrtek -- not accepted |
| |
Grammica cuspidata (Engelm.) Hadac & Chrtek -- not accepted |
| |
Grammica denticulata (Engelm.) W.A. Weber -- not accepted |
| |
Grammica indecora ssp. neuropetala (Engelm.) W.A. Weber -- not accepted |
| |
Grammica pentagona (Engelm.) W.A. Weber -- not accepted |
| |
Grammica salina (Engelm.) Taylor & MacBryde -- not accepted |
| |
Guaiacum angustifolium Engelm. -- accepted -- texas lignumvitae |
| |
Guajacum angustifolium Engelm. -- accepted -- guayacan, Texas lignum-vitae |
| |
Helianthemum capitatum Nutt. ex Engelm. & Gray -- not accepted |
| |
Helianthium parvulum (Engelm.) Britt. -- not accepted |
| |
Helianthus debilis ssp. praecox (Engelm. & Gray) Heiser -- not accepted |
| |
Helianthus praecox Engelm. & Gray -- accepted -- Texas sunflower |
| |
Helianthus praecox ssp. praecox Engelm. & Gray -- accepted -- Texas sunflower |
| |
Hesperaloe Engelm. -- accepted -- false yucca, falseyucca |
| |
Heuchera sanguinea Engelm. -- accepted -- coralbells |
| |
Heuchera sanguinea var. sanguinea Engelm. -- accepted -- coralbells |
| |
Hippochaete hyemalis ssp. affinis (Engelm.) W.A. Weber -- not accepted |
| |
Hypericum gymnanthum Engelm. & Gray -- accepted -- claspingleaf St. Johnswort |
| |
Hypoxis hirsuta var. leptocarpa (Engelm. & Gray) Brackett -- not accepted |
| |
Hypoxis leptocarpa (Engelm. & Gray) Small -- not accepted |
| |
Ibidium vernale (Engelm. & Gray) House -- not accepted |
| |
Isoetes bolanderi Engelm. -- accepted -- Bolander quillwort, Bolander's quillwort |
| |
Isoetes bolanderi var. bolanderi Engelm. -- accepted -- Bolander's quillwort |
| |
Isoetes bolanderi var. pygmaea (Engelm.) Clute -- not accepted -- pygmy quillwort |
| |
Isoetes butleri Engelm. -- accepted -- limestone quillwort, quillwort |
| |
Isoetes canadensis (Engelm.) A.A. Eat. -- not accepted |
| |
Isoetes echinospora var. braunii (Durieu) Engelm. -- not accepted |
| |
Isoetes echinospora var. muricata (Durieu) Engelm. -- not accepted |
| |
Isoetes echinospora var. robusta Engelm. -- not accepted |
| |
Isoetes engelmannii var. georgiana Engelm. -- not accepted -- Appalachian quillwort |
| |
Isoetes engelmannii var. gracilis Engelm. -- not accepted |
| |
Isoetes engelmannii var. valida Engelm. -- not accepted |
| |
Isoetes flaccida var. chapmanii Engelm. -- accepted -- Chapman's quillwort |
| |
Isoetes flaccida var. rigida Engelm. -- accepted -- southern quillwort |
| |
Isoetes howellii Engelm. -- accepted -- Howell's quillwort |
| |
Isoetes lacustris ssp. paupercula (Engelm.) J. Feilberg -- not accepted |
| |
Isoetes lacustris var. paupercula Engelm. -- not accepted |
| |
Isoetes melanospora Engelm. -- accepted -- black-spored quillwort, blackspore quillwort |
| |
Isoetes nuttallii A. Braun ex Engelm. -- accepted -- Nuttall's quillwort |
| |
Isoetes nuttallii var. nuttallii A. Braun ex Engelm. -- accepted -- Nuttall's quillwort |
| |
Isoetes paupercula (Engelm.) A.A. Eat. -- not accepted |
| |
Isoetes pygmaea Engelm. -- not accepted |
| |
Isoetes riparia Engelm. ex A. Braun -- accepted -- shore quillwort |
| |
Isoetes riparia var. canadensis Engelm. -- not accepted |
| |
Isoetes riparia var. riparia Engelm. ex A. Braun -- accepted -- shore quillwort |
| |
Isoetes saccharata Engelm. -- accepted -- sugar quillwort |
| |
Isoetes valida (Engelm.) Clute -- accepted -- strong quillwort |
| |
Jatropha macrorhiza var. septemfida Engelm. -- accepted -- ragged jatropha, ragged nettlespurge |
| |
Juglans rupestris Engelm. ex Torr. -- not accepted |
| |
Juncus acuminatus var. robustus Engelm. -- not accepted |
| |
Juncus acutus var. sphaerocarpus Engelm. -- not accepted |
| |
Juncus arcticus ssp. littoralis (Engelm.) Hultén -- not accepted |
| |
Juncus arcticus var. littoralis (Engelm.) Boivin -- not accepted |
| |
|
