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Taxon author: Claus

ITIS records citing taxon author "Claus"
 
 Kingdom Animalia
  Acanthodasys fibrosus Clausen, 2004 -- valid
  Acanthodasys lineatus Clausen, 2000 -- valid
  Ameira parvula (Claus, 1866) -- valid
  Amonardia similis (Claus, 1866) -- valid
  Amphiascopsis cinctus (Claus, 1866) -- valid
  Amphiascus minutus (Claus, 1863) -- valid
  Amphiascus minutus minutus (Claus, 1863) -- valid
  Amphithyrus Claus, 1879 -- valid
  Amphithyrus bispinosus Claus, 1879 -- valid
  Amphithyrus sculpturatus Claus, 1879 -- valid
  Aphyoplatys Clausen, 1967 -- valid
  Aphyosemion occidentale Clausen, 1966 -- invalid
  Aphyosemion occidentale toddi Clausen, 1966 -- invalid
  Aphyosemion toddi Clausen, 1966 -- invalid
  Apseudes minutus Claus, 1888 -- valid
  Apseudes sarsii Claus, 1888 -- invalid
  Augaptilus filigerus (Claus, 1863) -- valid
  Augaptilus longicaudatus (Claus, 1863) -- valid
  Axysta americana Clausen, 1983 -- valid
  Bomolochus soleae Claus, 1864 -- valid
  Brachyscelus rapax (Claus, 1879) -- valid
  Bryocamptus minutus (Claus, 1863) -- valid
  Calanus helgolandicus (Claus, 1863) -- valid
  Calanus minor (Claus, 1863) -- invalid
  Callopanchax occidentalis (Clausen, 1966) -- valid -- golden pheasant panchax
  Callopanchax toddi (Clausen, 1966) -- valid -- Todd's panchax
  Calocalanus plumulosus (Claus) -- valid
  Candacia bispinosa (Claus, 1863) -- valid
  Candacia longimana (Claus, 1863) -- valid
  Carybdeida Claus, 1886 -- valid
  Cassiduloida Claus, 1880 -- valid
  Centropages violaceus (Claus, 1863) -- valid
  Cetochilus minor Claus, 1863 -- invalid
  Chlamydotheca incisa (Claus) -- valid
  Cidaroida Claus, 1880 -- valid -- pencil urchins, pencil urchins
  Clausocalanus mastigophorus (Claus, 1863) -- valid
  Conchoecetta Claus, 1890 -- valid
  Conchoecetta acuminata Claus, 1890 -- valid
  Conchoecia acuminata (Claus, 1890) -- invalid
  Conchoecia bispinosa Claus, 1890 -- invalid
  Conchoecia daphnoides (Claus, 1890) -- invalid
  Conchoecia echinulata (Claus, 1891) -- invalid
  Conchoecia hyalophyllum Claus, 1890 -- valid
  Conchoecia inermis (Claus, 1890) -- invalid
  Conchoecia loricata (Claus, 1894) -- invalid
  Conchoecia magna Claus, 1874 -- valid
  Conchoecia porrecta Claus, 1890 -- invalid
  Conchoecia spinifera (Claus, 1890) -- invalid
  Conchoecia spinirostris Claus, 1874 -- invalid
  Conchoecia subarcuata Claus, 1890 -- valid
  Conchoecilla Claus, 1890 -- valid
  Conchoecilla daphnoides Claus, 1890 -- valid
  Conchoecilla daphnoides daphnoides Claus, 1890 -- valid
  Conchoecissa Claus, 1890 -- valid
  Conchoecissa loricata Claus, 1894 -- invalid
  Copilia denticulata Claus, 1863 -- valid
  Copilia mediterranea (Claus, 1863) -- valid
  Corycaeus elongatus Claus, 1863 -- valid
  Corycaeus furcifer Claus, 1863 -- valid
  Corycaeus ovalis Claus, 1863 -- valid
  Crasiella Clausen, 1968 -- valid
  Crasiella diplura Clausen, 1968 -- valid
  Cyclopina Claus, 1863 -- valid
  Cyclopina gracilis Claus, 1863 -- valid
  Cyclops bicuspidatus Claus, 1857 -- valid
  Cyclops bicuspidatus Claus, 1857 -- invalid
  Cyclops bicuspidatus bicuspidatus Claus, 1857 -- valid
  Cyclops furcifer Claus, 1857 -- valid
  Cyclops insignis Claus, 1857 -- valid
  Cyzicus mexicanus (Claus, 1860) -- valid -- Mexican clam shrimp
  Dactylopodella flava (Claus, 1866) -- valid
  Dactylopodia tisboides (Claus) -- valid
  Dactylopus brevicornis Claus, 1866 -- invalid
  Dactylopus longirostris Claus, 1863 -- invalid
  Dactylopus pygmaeus Claus, 1863 -- invalid
  Dactylopusia tisboides (Claus, 1863) -- valid
  Dactylopusioides macrolabris (Claus) -- valid
  Daphnia similis Claus, 1876 -- valid
  Denticeps Clausen, 1959 -- valid
  Denticeps clupeoides Clausen, 1959 -- valid
  Denticipitidae Clausen, 1959 -- valid -- denticle herrings
  Desmodasys Clausen, 1965 -- valid
  Desmodasys borealis Clausen, 2000 -- valid
  Desmodasys phocoides Clausen, 1965 -- valid
  Diacyclops bicuspidatus (Claus, 1857) -- valid
  Diacyclops bicuspidatus bicuspidatus (Claus, 1857) -- valid
  Diarthrodes minutus (Claus, 1863) -- valid
  Diosaccus tenuicornis (Claus, 1863) -- valid
  Discomedusa Claus, 1877 -- valid
  Discomedusa lobata Claus, 1877 -- valid
  Echinacea Claus, 1876 -- valid
  Echinacea Claus, 1876 -- invalid
  Echinoida Claus, 1876 -- valid
  Echinothurioida Claus, 1880 -- valid
  Euaugaptilus filigerus (Claus, 1863) -- valid
  Eucalanus hyalinus (Claus, 1866) -- valid
  Euchirella messinensis (Claus, 1863) -- valid
  Euchirella messinensis messinensis (Claus, 1863) -- valid
  Euchirella rostrata (Claus, 1866) -- valid
  Eucyclops Claus, 1893 -- valid
  Eupelte Claus, 1860 -- valid
  Eupelte gracilis Claus, 1860 -- valid
  Eurycea bislineata major Trapido and Clausen, 1938 -- invalid
  Evadne tergestina (Claus, 1877) -- invalid
  Farranula rostrata (Claus, 1863) -- valid
  Fundulopanchax cinnamomeum (Clausen, 1963) -- valid
  Halocypria Claus, 1874 -- valid
  Halocypria globosa Claus, 1874 -- valid
  Halocypris globosa (Claus, 1874) -- invalid
  Halocypris pelagica Claus, 1890 -- valid
  Haloptilus longicornis (Claus, 1863) -- valid
  Haloptilus mucronatus (Claus, 1863) -- valid
  Haloptilus plumosus (Claus, 1863) -- valid
  Harpacticus gracilis Claus, 1863 -- valid
  Harpacticus nicaeensis Claus, 1866 -- valid
  Hemityphis Claus, 1879 -- valid
  Heterocypris Claus, 1893 -- valid
  Heterorhabdus papilliger (Claus, 1863) -- valid
  Heterorhabdus spinifrons (Claus, 1863) -- valid
  Hyadina vockerothi Clausen, 1984 -- valid
  Hyalospongiae Claus, 1872 -- invalid
  Hyperiodrilus euryaulos Clausen, 1967 -- valid
  Hyperiodrilus henningi Clausen, 1967 -- valid
  Hyperiodrilus scoliaulos Clausen, 1967 -- valid
  Hyperiodrilus wegbeensis Clausen, 1967 -- valid
  Ischnocalanus plumulosus (Claus, 1863) -- valid
  Keffia Clausen, 1965 -- valid
  Keffia nigeriensis (Clausen, 1963) -- valid
  Keffia variabilis (Clausen, 1963) -- valid
  Laophonte serrata (Claus, 1863) -- valid
  Laophontopsis lamellifera (Claus, 1863) -- valid
  Legonea Clausen, 1963 -- valid
  Legonea atakpamana Clausen, 1967 -- valid
  Legonea hyperiodriloides Clausen, 1963 -- valid
  Lepidodasys arcolepis Clausen, 2004 -- valid
  Lepidodasys castoroides Clausen, 2004 -- valid
  Leptocotis tenuirostris (Claus, 1871) -- valid
  Leptostraca Claus, 1880 -- valid
  Libyodrilus bipindiensis Clausen, 2004 -- valid
  Libyodrilus choristoporus Clausen, 2004 -- valid
  Libyodrilus crassisetus Clausen, 2004 -- valid
  Libyodrilus edeaensis Clausen, 2004 -- valid
  Libyodrilus maryae Clausen, 2004 -- valid
  Libyodrilus mekoensis Clausen, 1965 -- valid
  Libyodrilus platybrachyoncus Clausen, 2004 -- valid
  Libyodrilus simsi Clausen, 1965 -- valid
  Libyodrilus tenuisetus Clausen, 2004 -- valid
  Longipedia Claus, 1863 -- valid
  Longipedia coronata Claus, 1863 -- valid
  Loricoecia loricata (Claus, 1894) -- valid
  Loricoecia loricata loricata (Claus, 1894) -- valid
  Lourinia armata (Claus, 1866) -- valid
  Lubbockia Claus, 1863 -- valid
  Lubbockia squillimana Claus, 1863 -- valid
  Lucicutia flavicornis (Claus, 1863) -- valid
  Luetkenia Claus, 1864 -- valid
  Luetkenia asterodermi Claus, 1864 -- valid
  Lycaea nasuta Claus, 1879 -- valid
  Lycaeidae Claus, 1879 -- valid
  Lycaeopsis Claus, 1879 -- valid
  Lycaeopsis themistoides Claus, 1879 -- valid
  Lychnagalma utricularia (Claus, 1879) -- valid
  Lynchagalma utricularia (Claus, 1879) -- invalid
  Lytogaster cervenkae Clausen, 1982 -- valid
  Lytogaster mexicana Clausen, 1982 -- valid
  Lytogaster obscura Clausen, 1982 -- valid
  Lytogaster perplexa Clausen, 1982 -- valid
  Macrocyclops Claus, 1893 -- valid
  Megacyclops gigas (Claus, 1857) -- valid
  Mesochra pygmaea (Claus, 1863) -- valid
  Mesocyclops leukarti (Claus, 1857) -- valid
  Microconchoecia Claus, 1890 -- invalid
  Microcyclops Claus, 1893 -- valid
  Microphthalmus ephippiophorus Clausen, 1986 -- valid
  Mikroconchoecia Claus, 1890 -- valid
  Mikroconchoecia echinulata Claus, 1891 -- valid
  Monstrilla helgolandica (Claus, 1863) -- valid
  Nannocalanus minor (Claus, 1863) -- valid
  Neobrachiella triglae (Claus, 1860) -- valid
  Nereicolidae Claus, 1875 -- valid
  Ochthera acta Clausen, 1977 -- valid
  Ochthera anatolikos Clausen, 1977 -- valid
  Ochthera borealis Clausen, 1977 -- valid
  Ochthera collina Clausen, 1977 -- valid
  Ochthera occidentalis Clausen, 1977 -- valid
  Oithona helgolandica Claus, 1863 -- valid
  Oithona similis Claus, 1866 -- valid
  Oithona spinirostris Claus, 1863 -- valid
  Oncaea mediterranea (Claus, 1863) -- valid
  Orthoconchoecia bispinosa (Claus, 1890) -- valid
  Orthopsyllus linearis (Claus, 1866) -- valid
  Oxycephalus latirostris Claus, 1879 -- valid
  Pachos punctatum (Claus, 1863) -- valid
  Paracalanus parvus (Claus, 1863) -- valid
  Paracalanus pygmaeus (Claus, 1863) -- valid
  Paracandacia bispinosa (Claus, 1863) -- invalid
  Paraconchoecia Claus, 1890 -- valid
  Paraconchoecia inermis Claus, 1890 -- valid
  Paraconchoecia oblonga Claus, 1890 -- valid
  Paraconchoecia spinifera Claus, 1890 -- valid
  Paracyclops Claus, 1893 -- valid
  Paradactylopodia brevicornis (Claus, 1866) -- valid
  Paralaophonte brevirostris (Claus, 1863) -- valid
  Paralaophonte brevirostris brevirostris (Claus, 1863) -- valid
  Paramphiascopsis longirostris (Claus, 1863) -- valid
  Paranebalia Claus, 1880 -- valid
  Paraphronima Claus, 1879 -- valid
  Paraphronima crassipes Claus, 1879 -- valid
  Paraphronima gracilis Claus, 1879 -- valid
  Parascelus Claus, 1879 -- valid
  Parascelus edwardsi Claus, 1879 -- valid
  Parascelus typhoides Claus, 1879 -- valid
  Parategastes sphaericus (Claus, 1863) -- valid
  Parathalestris harpactoides (Claus, 1863) -- valid
  Paraturbanella scanica Clausen, 1996 -- valid
  Paratyphis Claus, 1879 -- valid
  Paratyphis maculatus Claus, 1879 -- valid
  Parydra acuta Clausen and Cook, 1971 -- valid
  Parydra arctica Clausen and Cook, 1971 -- valid
  Parydra copis Clausen and Cook, 1971 -- valid
  Parydra hamata Clausen and Cook, 1971 -- valid
  Parydra lingulata Clausen and Cook, 1971 -- valid
  Parydra parasocia Clausen and Cook, 1971 -- valid
  Parydra pedalis Clausen and Cook, 1971 -- valid
  Parydra penabbreviata Clausen and Cook, 1971 -- valid
  Parydra penisica Clausen and Cook, 1971 -- valid
  Parydra quadriloba Clausen and Cook, 1971 -- valid
  Parydra spinosa Clausen and Cook, 1971 -- valid
  Parydra succurva Clausen and Cook, 1971 -- valid
  Pelina biloba Clausen, 1973 -- valid
  Pelina bispinosa Clausen, 1973 -- valid
  Pelina latiforma Clausen, 1973 -- valid
  Pelina neaenescens Clausen, 1973 -- valid
  Pelina prospinosa Clausen, 1973 -- valid
  Pelina subulata Clausen, 1973 -- valid
  Pelina uncata Clausen, 1973 -- valid
  Peltidium gracile (Claus, 1889) -- valid
  Peltidium robustum (Claus, 1889) -- valid
  Phaenna Claus, 1863 -- valid
  Phaenna spinifera Claus, 1863 -- valid
  Phronimella Claus, 1871 -- valid
  Phronimella elongata (Claus, 1862) -- valid
  Phronimopsis Claus, 1879 -- valid
  Phronimopsis spinifera Claus, 1879 -- valid
  Phyllothalestris mysis (Claus, 1863) -- valid
  Planodasyidae Rao and Clausen, 1970 -- valid
  Planodasys Rao in Rao and Clausen, 1970 -- valid
  Planodasys marginalis Rao in Rao and Clausen, 1970 -- valid
  Platydasys mastigurus Clausen, 1965 -- valid
  Platydasys ocellatus Clausen, 1965 -- valid
  Platydasys phacellatus Clausen, 1965 -- valid
  Platyscelus armatus (Claus, 1879) -- valid
  Pleuromamma gracilis (Claus, 1863) -- valid
  Pontella mediterranea (Claus, 1863) -- valid
  Porcellidium Claus, 1860 -- valid
  Porcellidium fimbriatum (Claus, 1863) -- valid
  Porcellidium lecanoides Claus, 1889 -- valid
  Porcellidium lecanoides lecanoides Claus, 1889 -- valid
  Porcellidium tenuicauda Claus, 1860 -- valid
  Poropanchax Clausen, 1967 -- valid
  Porroecia porrecta (Claus, 1890) -- valid
  Porroecia porrecta porrecta (Claus, 1890) -- valid
  Porroecia spinirostris (Claus, 1874) -- valid
  Pseudanthessius Claus, 1889 -- valid
  Pseudanthessius gracilis Claus, 1889 -- valid
  Pseudepiplatys Clausen, 1967 -- invalid
  Pseudevadne Claus, 1877 -- valid
  Pseudevadne tergestina (Claus, 1877) -- valid
  Pseudoconchoecia Claus, 1890 -- valid
  Pseudoconchoecia serrulata (Claus, 1874) -- valid
  Pseudoconchoecia serrulata serrulata (Claus, 1874) -- valid
  Pseudostomella faroensis Clausen, 2004 -- valid
  Pseudothalestris minuta (Claus, 1906) -- valid
  Ptychostomella higginsi Clausen, 2004 -- valid
  Ptychostomella lepidota Clausen, 2000 -- valid
  Rhizostomatidae Claus, 1883 -- valid
  Rhynchothalestris helgolandica (Claus, 1863) -- valid
  Roloffia Clausen, 1966 -- invalid
  Roloffia occidentalis (Clausen, 1966) -- invalid
  Roloffia occidentalis toddi (Clausen, 1966) -- invalid
  Roloffia toddi (Clausen, 1966) -- invalid
  Sagittidae Claus and Grobben, 1905 -- valid
  Sagittoidea Claus and Grobben, 1905 -- valid
  Sapphirina auronitens Claus, 1863 -- valid
  Sapphirina nigromaculata Claus, 1863 -- valid
  Schizoscelus Claus, 1879 -- valid
  Schizoscelus ornatus Claus, 1879 -- valid
  Scutellidium Claus, 1866 -- valid
  Simorhynchotus antennarius (Claus, 1871) -- valid
  Spatangoida Claus, 1876 -- valid -- heart urchins, heart urchins
  Sphaeronectes gracilis (Claus, 1873) -- valid
  Sphaeronectes irregularis (Claus, 1873) -- valid
  Stenopodidae Claus, 1872 -- valid -- coral shrimps
  Stenopodidea Claus, 1872 -- valid
  Streetsia porcella (Claus, 1879) -- valid
  Taeniacanthus balistae (Claus, 1864) -- valid
  Tegastes longimanus (Claus, 1863) -- valid
  Tegastes satyrus (Claus, 1860) -- valid
  Tetranchyroderma arcticum Clausen, 2000 -- valid
  Tetranchyroderma boreale Clausen, 2000 -- valid
  Tetranchyroderma bulbosum Clausen, 2000 -- valid
  Tetranchyroderma faroense Clausen, 2004 -- valid
  Tetranchyroderma gracilium Chang, Lee and Clausen, 1998 -- valid
  Tetranchyroderma norvegicum Clausen, 1996 -- valid
  Tetranchyroderma ramuliferum Clausen, 1965 -- invalid
  Tetranchyroderma tribolosum Clausen, 1965 -- valid
  Tetrathyrus Claus, 1879 -- valid
  Tetrathyrus forcipatus Claus, 1879 -- valid
  Thalestris Claus, 1863 -- valid
  Thalestris longimana Claus, 1863 -- valid
  Thalestris rufoviolascens Claus, 1866 -- valid
  Thaumastoderma bifurcatum Clausen, 1991 -- valid
  Thaumastoderma moebjergi Clausen, 2004 -- valid
  Thaumastoderma ramuliferum Clausen, 1965 -- valid
  Thyropus sphaeroma (Claus, 1879) -- valid
 
 Kingdom Plantae
  Acer nigrum var. saccharophorum (K. Koch) R.T. Clausen -- not accepted
  Alnus incana ssp. rugosa (Du Roi) R.T. Clausen -- accepted -- speckled alder
  Amerosedum radiatum ssp. depauperatum (R.T. Clausen) Á. Löve & D. Löve -- not accepted
  Athyrium filix-femina ssp. angustum (Willd.) R.T. Clausen -- not accepted -- subarctic ladyfern
  Botrychium boreale ssp. obtusilobum (Rupr.) R.T. Clausen -- not accepted
  Botrychium hesperium (Maxon & R.T. Clausen) W.H. Wagner & Lellinger -- accepted -- western moonwort
  Botrychium lanceolatum ssp. angustisegmentum (Pease & A.H. Moore) R.T. Clausen -- accepted -- lanceleaf grapefern, narrow triangle moonwort
  Botrychium lanceolatum ssp. typicum R.T. Clausen -- not accepted
  Botrychium matricariifolium ssp. hesperium Maxon & R.T. Clausen -- not accepted
  Botrychium matricariifolium var. hesperium (Maxon & R.T. Clausen) M. Broun -- not accepted
  Botrychium multifidum ssp. californicum (Underw.) R.T. Clausen -- not accepted
  Botrychium multifidum ssp. coulteri (Underw.) R.T. Clausen -- not accepted
  Botrychium multifidum ssp. silaifolium (C. Presl) R.T. Clausen -- not accepted
  Botrychium simplex ssp. typicum R.T. Clausen -- not accepted
  Botrychium simplex var. laxifolium (R.T. Clausen) Fernald -- not accepted -- little grapefern
  Botrychium simplex var. tenebrosum (A.A. Eaton) R.T. Clausen -- not accepted
  Calamagrostis porteri ssp. perplexa (Scribn.) R.T. Clausen -- not accepted
  Carex angustior var. gracilenta R.T. Clausen & Wahl -- not accepted
  Dalea carthagenensis ssp. domingensis (DC.) R.T. Clausen -- not accepted
  Dalea scandens (Mill.) R.T. Clausen -- accepted -- low prairie clover, low prairieclover
  Dalea scandens var. scandens (Mill.) R.T. Clausen -- accepted
  Eragrostis suaveolens A.K. Becker ex Claus -- accepted -- candy lovegrass
  Euphorbia astrachanica C.A. Mey. ex Claus -- accepted
  Geum aleppicum ssp. strictum (Aiton) R.T. Clausen -- not accepted
  Hibiscus moscheutos ssp. palustris (L.) R.T. Clausen -- not accepted
  Holocarpha obconica (J.C. Clausen & D.D. Keck) D.D. Keck -- accepted -- San Joaquin tarweed
  Holocarpha obconica ssp. obconica (J.C. Clausen & D.D. Keck) D.D. Keck -- not accepted -- San Joaquin tarweed
  Linnaea borealis ssp. americana (Forbes) Hultén ex R.T. Clausen -- not accepted
  Linnaea borealis ssp. americana (Forbes) Hultén ex R.T. Clausen -- not accepted
  Najas guadalupensis ssp. muenscheri (R.T. Clausen) R.R. Haynes & Hellq. -- accepted -- Muenscher's waternymph
  Najas guadalupensis var. muenscheri (R.T. Clausen) R.R. Haynes -- not accepted -- Muenscher's waternymph
  Najas muenscheri R.T. Clausen -- not accepted
  Najas wrightiana ssp. multidentata (W. Koch) R.T. Clausen -- not accepted
  Ophioglossum lusitanicum ssp. californicum (Prantl) R.T. Clausen -- not accepted
  Ophioglossum nudicaule var. minus R.T. Clausen -- not accepted
  Ophioglossum nudicaule var. tenerum (Mett. ex Prantl) R.T. Clausen -- not accepted
  Ophioglossum pendulum ssp. falcatum (C. Presl) R.T. Clausen -- accepted -- Old World adderstongue
  Parvisedum congdonii (Eastw.) R.T. Clausen -- not accepted
  Parvisedum leiocarpum (H. Sharsm.) R.T. Clausen -- not accepted -- Lake County stonecrop
  Parvisedum pentandrum (H. Sharsm.) R.T. Clausen -- not accepted
  Parvisedum pumilum (Benth.) R.T. Clausen -- not accepted
  Pinus rigida ssp. serotina (Michx.) R.T. Clausen -- not accepted
  Prunus pumila ssp. susquehanae (Willd.) R.T. Clausen -- not accepted
  Puccinellia pallida (Torr.) R.T. Clausen -- not accepted
  Puccinellia pallida ssp. pallida (Torr.) R.T. Clausen -- not accepted
  Pyrola rotundifolia ssp. americana (Sweet) R.T. Clausen -- not accepted
  Rhodiola integrifolia ssp. procera (R.T. Clausen) Kartesz -- not accepted -- ledge stonecrop
  Robinia hispida var. fertilis (Ashe) R.T. Clausen -- accepted -- bristly locust
  Sedum albomarginatum R.T. Clausen -- accepted -- Feather River stonecrop
  Sedum borschii (R.T. Clausen) R.T. Clausen -- accepted -- Leiberg stonecrop
  Sedum douglasii ssp. ciliosum (Howell) R.T. Clausen -- not accepted
  Sedum douglasii ssp. radiatum (S. Watson) R.T. Clausen -- not accepted
  Sedum glaucophyllum R.T. Clausen -- accepted -- cliff stonecrop
  Sedum integrifolium ssp. leedyi (Rosend. & J.W. Moore) R.T. Clausen -- not accepted -- Leedy's roseroot, Leedy's stonecrop
  Sedum integrifolium ssp. neomexicanum (Britton) R.T. Clausen -- not accepted -- New Mexican stonecrop
  Sedum integrifolium ssp. procerum R.T. Clausen -- not accepted -- entireleaf stonecrop
  Sedum integrifolium var. neomexicana (Britton) R.T. Clausen -- not accepted
  Sedum kamtschaticum ssp. ellacombianum (Praeger) R.T. Clausen -- not accepted -- orange stonecrop
  Sedum lanceolatum ssp. nesioticum (G.N. Jones) R.T. Clausen -- not accepted -- spearleaf stonecrop
  Sedum lanceolatum ssp. subalpinum (Blank.) R.T. Clausen -- not accepted -- subalpine stonecrop
  Sedum laxum ssp. eastwoodiae (Britton) R.T. Clausen -- not accepted
  Sedum laxum ssp. heckneri (M. Peck) R.T. Clausen -- not accepted -- Heckner's stonecrop
  Sedum laxum ssp. latifolium R.T. Clausen -- not accepted
  Sedum laxum ssp. perplexum R.T. Clausen -- not accepted
  Sedum laxum ssp. retusum (Rose) R.T. Clausen -- not accepted
  Sedum laxum var. latifolium (R.T. Clausen) H. Ohba -- accepted
  Sedum leibergii var. typicum R.T. Clausen -- not accepted
  Sedum moranii R.T. Clausen -- accepted -- Reid's stonecrop, Rogue River stonecrop
  Sedum oblanceolatum R.T. Clausen -- accepted -- Applegate stonecrop, oblongleaf stonecrop
  Sedum obtusatum ssp. boreale R.T. Clausen -- not accepted -- Sierra stonecrop
  Sedum obtusatum ssp. retusum (Rose) R.T. Clausen -- not accepted -- Sierra stonecrop
  Sedum obtusatum var. boreale (R.T. Clausen) H. Ohba -- accepted -- Sierra stonecrop
  Sedum oreganum ssp. tenue R.T. Clausen -- not accepted -- Oregon stonecrop
  Sedum oreganum var. tenue (R.T. Clausen) H. Ohba -- accepted -- Oregon stonecrop
  Sedum parvum ssp. nanifolium (Fröd.) R.T. Clausen -- not accepted -- dwarf stonecrop
  Sedum radiatum ssp. ciliosum (Howell) R.T. Clausen -- not accepted -- Coast Range stonecrop
  Sedum radiatum ssp. depauperatum R.T. Clausen -- not accepted -- Coast Range stonecrop
  Sedum radiatum var. depauperatum (R.T. Clausen) H. Ohba -- accepted -- Coast Range stonecrop
  Sedum rubrotinctum R.T. Clausen -- accepted
  Sedum spathulifolium ssp. anomalum (Britton) R.T. Clausen & Uhl -- not accepted
  Sedum spathulifolium ssp. pruinosum (Britton) R.T. Clausen & Uhl -- not accepted -- broadleaf stonecrop
  Sedum spathulifolium ssp. purdyi (Jeps.) R.T. Clausen -- not accepted -- Purdy's stonecrop
  Sedum spathulifolium ssp. yosemitense (Britton) R.T. Clausen -- not accepted -- Yosemite stonecrop
  Sedum stenopetalum ssp. ciliosum (Howell) R.T. Clausen -- not accepted
  Sedum stenopetalum ssp. monanthum (Suksd.) R.T. Clausen -- not accepted -- wormleaf stonecrop
  Sedum stenopetalum ssp. radiatum (S. Watson) R.T. Clausen -- not accepted
  Sedum wrightii ssp. priscum R.T. Clausen -- accepted -- Wright's stonecrop
  Silene caroliniana ssp. pensylvanica (Michx.) R.T. Clausen -- accepted -- Pennsylvania catchfly
  Silene caroliniana ssp. wherryi (Small) R.T. Clausen -- accepted -- Wherry's catchfly
  Solanum X viirsooi K.A. Okada & A.M. Clausen -- accepted
  Utricularia vulgaris ssp. macrorhiza (Leconte) R.T. Clausen -- accepted
  Viburnum opulus ssp. trilobum (Marsh.) R.T. Clausen -- not accepted
  Viburnum opulus var. trilobum (Marsh.) R.T. Clausen -- not accepted
  Villadia misera (Lindley) R.T. Clausen -- accepted
  Viola aurea ssp. arizonensis M.S. Baker & J.C. Clausen -- not accepted
  Viola aurea ssp. mohavensis M.S. Baker & J.C. Clausen -- not accepted
  Viola charlestonensis M.S. Baker & J.C. Clausen -- accepted -- Charleston Mountain violet, limestone violet
  Viola charlestownensis M.S. Baker & J.C. Clausen -- not accepted
  Viola pedunculata ssp. tenuifolia M.S. Baker & J.C. Clausen -- accepted -- Johnny-jump-up
  Viola porterana var. oregona M.S. Greene & J.C. Clausen -- not accepted
  Viola praemorsa ssp. linguifolia (Nutt.) M.S. Baker & J.C. Clausen ex M. Peck -- not accepted -- upland yellow violet
  Viola purpurea ssp. atriplicifolia (Greene) M.S. Baker & J.C. Clausen ex M. Peck -- not accepted
  Viola purpurea ssp. aurea (Kellogg) J.C. Clausen -- not accepted -- goosefoot yellow violet
  Viola purpurea ssp. dimorpha M.S. Baker & J.C. Clausen -- not accepted -- goosefoot violet
  Viola purpurea ssp. geophyta M.S. Baker & J.C. Clausen -- not accepted -- goosefoot violet
  Viola purpurea ssp. integrifolia M.S. Baker & J.C. Clausen -- not accepted -- goosefoot violet
  Viola purpurea ssp. mesophyta M.S. Baker & J.C. Clausen -- not accepted -- goosefoot violet
  Viola purpurea ssp. mohavensis (M.S. Baker & J.C. Clausen) J.C. Clausen -- not accepted -- goosefoot violet, Mojave yellow violet
  Viola purpurea ssp. quercetorum (M.S. Baker & J.C. Clausen) R.J. Little -- not accepted -- goosefoot violet
  Viola purpurea ssp. venosa (S. Watson) M.S. Baker & J.C. Clausen -- not accepted -- goosefoot violet, goosefoot yellow violet
  Viola purpurea ssp. xerophyta M.S. Baker & J.C. Clausen -- not accepted
  Viola purpurea var. charlestonensis (M.S. Baker & J.C. Clausen) S.L. Welsh & Reveal -- not accepted -- limestone violet
  Viola purpurea var. integrifolia (M.S. Baker & J.C. Clausen) J.T. Howell -- accepted -- goosefoot violet
  Viola purpurea var. intergrifolia M.S. Baker & J.C. Clausen -- not accepted
  Viola purpurea var. mohavensis (M.S. Baker & J.C. Clausen) J.T. Howell -- accepted -- goosefoot violet
  Viola purpurea var. quercetorum (M.S. Baker & J.C. Clausen) R.J. Little -- accepted -- goosefoot violet
  Viola purpurea var. xenophyta M.S. Baker & J.C. Clausen -- not accepted
  Viola quercetorum M.S. Baker & J.C. Clausen -- not accepted
  Viola tomentosa M.S. Baker & J.C. Clausen -- accepted -- feltleaf violet
  Viola utahensis M.S. Baker & J.C. Clausen -- accepted -- Utah violet
  Vitis vulpina ssp. riparia (Michx.) R.T. Clausen -- not accepted
 
 Kingdom Bacteria
  Gluconobacter asaii Mason and Claus, 1989 -- invalid
  Gluconobacter frateurii Mason and Claus, 1989 -- valid
  Gluconobacter oxydans (Henneberg, 1897) De Ley, 1961 emend. Gosselé et al., 1983 emend. Mason and Claus, 1989 -- valid
  Halobacillus halophilus (Claus et al., 1984) Spring et al., 1996 -- valid
  Pediococcus Claussen, 1903 -- valid
  Pediococcus damnosus Claussen, 1903 -- valid
  Sporosarcina halophila Claus et al., 1984 -- invalid
  Xanthobacter flavus Malik and Claus, 1979 -- valid
 
 Kingdom Chromista
  Navicula abbotti Cholnoky and Claus -- not accepted
  Navicula abbottii Cholnoky and Claus -- accepted
   

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