| Lateinischer name | Allgemeiner name | Familie | ||
| Orochaenactis thysanocarpha (Gray) Coville | California mountainpincushion |
Asteraceae |
||
| Orogenia fusiformis S. Wats. | California Indian potato |
Apiaceae |
||
| Orogenia linearifolia S. Wats. | Great Basin Indian potato |
Apiaceae |
||
| Orogenia linearifolia S. Wats. var. lata Payson | >>Orogenia linearifolia |
Apiaceae |
||
| Orogenia S. Wats. | Indian potato |
Apiaceae |
||
| Orontium aquaticum L. | goldenclub |
Araceae |
||
| Orontium L. | goldenclub |
Araceae |
||
| Orophaca aretioides (M.E. Jones) Rydb. | >>Astragalus aretioides |
Fabaceae |
||
| Orophaca barrii (Barneby) Isely | >>Astragalus barrii |
Fabaceae |
||
| Orophaca caespitosa (Nutt.) Britt. | >>Astragalus spatulatus |
Fabaceae |
||
| Orophaca hyalina (M.E. Jones) Isely | >>Astragalus hyalinus |
Fabaceae |
||
| Orophaca proimantha (Barneby) Isely | >>Astragalus proimanthus |
Fabaceae |
||
| Orophaca sericea auct. non (Nutt.) Britt. [misapplied] | >>Astragalus sericoleucus |
Fabaceae |
||
| Orophaca tridactylica (Gray) Rydb. | >>Astragalus tridactylicus |
Fabaceae |
||
| Orophaca triphylla Britt. | >>Astragalus gilviflorus var. gilviflorus |
Fabaceae |
||
| Orophaca triphylla Britt. var. purpurea (Dorn) Isely | >>Astragalus gilviflorus var. purpureus |
Fabaceae |
||
| Orthiopteris domingensis (Spreng.) Copeland | >>Saccoloma domingense |
Dennstaedtiaceae |
||
| Orthiopteris inaequalis (Kunze) Copeland | >>Saccoloma inaequale |
Dennstaedtiaceae |
||
| Orthocarpus attenuatus Gray | >>Castilleja attenuata |
Scrophulariaceae |
||
| Orthocarpus barbatus Cotton | Grand Coulee owl s-clover |
Scrophulariaceae |
||
| Orthocarpus bracteosus Benth. | rosy owl s-clover |
Scrophulariaceae |
||
| Orthocarpus bracteosus Benth. var. albus Keck | >>Orthocarpus bracteosus |
Scrophulariaceae |
||
| Orthocarpus brevistylus Hoover | >>Castilleja brevistyla |
Scrophulariaceae |
||
| Orthocarpus campestris Benth. | >>Castilleja campestris ssp. campestris |
Scrophulariaceae |
||
| Orthocarpus campestris Benth. var. succulentus Hoover | >>Castilleja campestris ssp. succulenta |
Scrophulariaceae |
||
| Orthocarpus castillejoides Benth. | >>Castilleja ambigua ssp. ambigua |
Scrophulariaceae |
||
| Orthocarpus castillejoides Benth. var. humboldtiensis Keck | >>Castilleja ambigua ssp. humboldtiensis |
Scrophulariaceae |
||
| Orthocarpus castillejoides Benth. var. insalutatus Jepson | >>Castilleja ambigua ssp. insalutata |
Scrophulariaceae |
||
| Orthocarpus copelandii Eastw. | >>Orthocarpus cuspidatus ssp. copelandii |
Scrophulariaceae |
||
| Orthocarpus copelandii Eastw. var. cryptanthus (Piper) Keck | >>Orthocarpus cuspidatus ssp. cryptanthus |
Scrophulariaceae |
||
| Orthocarpus cuspidatus Greene | toothed owl s-clover |
Scrophulariaceae |
||
| Orthocarpus cuspidatus Greene ssp. copelandii (Eastw.) Chuang & Heckard | Copeland s owl s-clover |
Scrophulariaceae |
||
| Orthocarpus cuspidatus Greene ssp. cryptanthus (Piper) Chuang & Heckard | cryptantha owl s-clover |
Scrophulariaceae |
||
| Orthocarpus cuspidatus Greene ssp. cuspidatus | Siskiyou Mountain owl s-clover |
Scrophulariaceae |
||
| Orthocarpus densiflorus Benth. | >>Castilleja densiflora ssp. densiflora |
Scrophulariaceae |
||
| Orthocarpus densiflorus Benth. var. gracilis (Benth.) Keck | >>Castilleja densiflora ssp. gracilis |
Scrophulariaceae |
||
| Orthocarpus densiflorus Benth. var. noctuinus (Eastw.) J.T. Howell | >>Castilleja densiflora ssp. densiflora |
Scrophulariaceae |
||
| Orthocarpus densiflorus Benth. var. obispoensis Keck | >>Castilleja densiflora ssp. obispoensis |
Scrophulariaceae |
||
| Orthocarpus erianthus Benth. | >>Triphysaria eriantha ssp. eriantha |
Scrophulariaceae |
||
| Orthocarpus erianthus Benth. var. gratiosus Jepson & Tracy | >>Triphysaria eriantha ssp. rosea |
Scrophulariaceae |
||
| Orthocarpus erianthus Benth. var. micranthus (Greene ex Heller) Jepson | >>Triphysaria micrantha |
Scrophulariaceae |
||
| Orthocarpus erianthus Benth. var. roseus (Gray) Greene | >>Triphysaria eriantha ssp. rosea |
Scrophulariaceae |
||
| Orthocarpus exsertus Heller | >>Castilleja exserta ssp. exserta |
Scrophulariaceae |
||
| Orthocarpus faucibarbatus Gray | >>Triphysaria versicolor ssp. faucibarbatus |
Scrophulariaceae |
||
| Orthocarpus faucibarbatus Gray ssp. albidus Keck | >>Triphysaria versicolor ssp. versicolor |
Scrophulariaceae |
||
| Orthocarpus faucibarbatus Gray var. albidus (Keck) J.T. Howell | >>Triphysaria versicolor ssp. versicolor |
Scrophulariaceae |
||
| Orthocarpus floribundus Benth. | >>Triphysaria floribunda |
Scrophulariaceae |
||
| Orthocarpus hispidus Benth. | >>Castilleja tenuis |
Scrophulariaceae |
||
| Orthocarpus imbricatus Torr. ex S. Wats. | mountain owl s-clover |
Scrophulariaceae |
||
| Orthocarpus lacerus Benth. | >>Castilleja lacera |
Scrophulariaceae |
||
| Orthocarpus lasiorhynchus Gray | >>Castilleja lasiorhyncha |
Scrophulariaceae |
||
| Orthocarpus lineariilobus Benth. | >>Castilleja lineariiloba |
Scrophulariaceae |
||
| Orthocarpus lithospermoides Benth. | >>Castilleja rubicundula ssp. lithospermoides |
Scrophulariaceae |
||
| Orthocarpus lithospermoides Benth. var. bicolor (Heller) Jepson | >>Castilleja rubicundula ssp. lithospermoides |
Scrophulariaceae |
||
| Orthocarpus luteus Nutt. | yellow owl s-clover |
Scrophulariaceae |
||
| Orthocarpus micranthus Greene ex Heller | >>Triphysaria micrantha |
Scrophulariaceae |
||
| Orthocarpus Nutt. | owl s-clover |
Scrophulariaceae |
||
| Orthocarpus pachystachyus Gray | Shasta owl s-clover |
Scrophulariaceae |
||
| Orthocarpus pilosus S. Wats. | >>Castilleja pilosa var. pilosa |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. | >>Castilleja exserta ssp. exserta |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. var. latifolius S. Wats. | >>Castilleja exserta ssp. latifolia |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. var. ornatus Jepson | >>Castilleja exserta ssp. venusta |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. var. pallidus Keck | >>Castilleja exserta ssp. exserta |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. var. palmeri Gray | >>Castilleja exserta ssp. exserta |
Scrophulariaceae |
||
| Orthocarpus purpurascens Benth. var. venustus (Heller) Keck | >>Castilleja exserta ssp. venusta |
Scrophulariaceae |
||
| Orthocarpus purpureoalbus Gray ex S. Wats. | purplewhite owl s-clover |
Scrophulariaceae |
||
| Orthocarpus pusillus Benth. | >>Triphysaria pusilla |
Scrophulariaceae |
||
| Orthocarpus pusillus Benth. var. densiuscuus (Gandog.) Keck | >>Triphysaria pusilla |
Scrophulariaceae |
||
| Orthocarpus succulentus (Hoover) Hoover | >>Castilleja campestris ssp. succulenta |
Scrophulariaceae |
||
| Orthocarpus tenuifolius (Pursh) Benth. | thinleaved owl s-clover |
Scrophulariaceae |
||
| Orthocarpus tolmiei Hook. & Arn. | Tolmie s owl s-clover |
Scrophulariaceae |
||
| Orthocarpus tolmiei Hook. & Arn. ssp. holmgreniorum Chuang & Heckard | Noel s owl s-clover |
Scrophulariaceae |
||
| Orthocarpus tolmiei Hook. & Arn. ssp. tolmiei | Tolmie s owl s-clover |
Scrophulariaceae |
||
| Orthodon dianthera (Buch.-Ham. ex Roxb.) Hand.-Maz. | >>Mosla dianthera |
Lamiaceae |
||
| Orthopappus angustifolius (Sw.) Gleason [excluded] | >>Elephantopus angustifolius |
Asteraceae |