Recently added species and species descriptions:
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Family
Taxon
Added on
Asteraceae
Antennaria luzuloides Torr. & A. Gray
Added on 1/1/1970
Asteraceae
Antennaria luzuloides Torr. & A. Gray ssp. luzuloides
Added on 1/1/1970
Asteraceae
Antennaria media Greene
Added on 1/1/1970
Asteraceae
Antennaria microphylla Rydb.
Added on 1/1/1970
Asteraceae
Antennaria monocephala DC.
Added on 1/1/1970
Asteraceae
Antennaria monocephala DC. ssp. angustata (Greene) Hultén
Added on 1/1/1970
Asteraceae
Antennaria parvifolia Nutt.
Added on 1/1/1970
Asteraceae
Antennaria pulcherrima (Hook.) Greene
Added on 1/1/1970
Asteraceae
Antennaria racemosa Hook.
Added on 1/1/1970
Asteraceae
Antennaria stenophylla (A. Gray) A. Gray
Added on 1/1/1970
Asteraceae
Antennaria umbrinella Rydb.
Added on 1/1/1970
Asteraceae
Anthemis arvensis L.
Added on 1/1/1970
Asteraceae
Anthemis cotula L.
Added on 1/1/1970
Poaceae
Anthoxanthum aristatum Boiss.
Added on 1/1/1970
Poaceae
Anthoxanthum aristatum Boiss. ssp. aristatum
Added on 1/1/1970
Poaceae
Anthoxanthum odoratum L.
Added on 1/1/1970
Pyronemataceae
Added on 1/1/1970
Pyronemataceae
Added on 1/1/1970
Apiaceae
Anthriscus caucalis M. Bieb.
Added on 1/1/1970
Apiaceae
Anthriscus cerefolium (L.) Hoffm.
Added on 1/1/1970
Apiaceae
Anthriscus sylvestris (L.) Hoffm.
Added on 1/1/1970
Melanthiaceae
Anticlea elegans (Pursh) Rydb.
Added on 1/1/1970
Melanthiaceae
Anticlea occidentalis (A. Gray) Zomlefer & Judd
Added on 1/1/1970
Plantaginaceae
Antirrhinum majus L.
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Fomitopsidaceae
Added on 1/1/1970
Phanerochaetaceae
Added on 1/1/1970
Phanerochaetaceae
Added on 1/1/1970
Added on 1/1/1970
Poaceae
Apera interrupta (L.) P. Beauv.
Added on 1/1/1970
Poaceae
Apera spica-venti (L.) P. Beauv.
Added on 1/1/1970
Rosaceae
Aphanes arvensis L.
Added on 1/1/1970
Rosaceae
Aphanes australis Rydb.
Added on 1/1/1970
Rosaceae
Aphanes occidentalis (Nutt.) Rydb.
Added on 1/1/1970
Orobanchaceae
Aphyllon californicum (Cham. & Schltdl.) A. Gray
Added on 1/1/1970
Orobanchaceae
Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. californicum
Added on 1/1/1970
Orobanchaceae
Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. grayanum (Beck) A.C. Schneid.
Added on 1/1/1970
Orobanchaceae
Aphyllon corymbosum (Rydb.) A.C. Schneid.
Added on 1/1/1970
Orobanchaceae
Aphyllon corymbosum (Rydb.) A.C. Schneid. ssp. corymbosum
Added on 1/1/1970
Orobanchaceae
Aphyllon corymbosum (Rydb.) A.C. Schneid. ssp. mutabile (Heckard) A.C. Schneid.
Added on 1/1/1970
Orobanchaceae
Aphyllon fasciculatum (Nutt.) Torr. & A. Gray
Added on 1/1/1970
Orobanchaceae
Aphyllon ludovicianum (Nutt.) A. Gray
Added on 1/1/1970
Orobanchaceae
Aphyllon pinorum (Geyer ex Hook.) A. Gray
Added on 1/1/1970
Orobanchaceae
Aphyllon purpureum (A. Heller) Holub
Added on 1/1/1970
Orobanchaceae
Aphyllon uniflorum (L.) Torr. & A. Gray
Added on 1/1/1970
Apiaceae
Apium crispum Mill.
Added on 1/1/1970
Apiaceae
Apium graveolens L.
Added on 1/1/1970
Apiaceae
Apium graveolens L. var. dulce (Mill.) DC.
Added on 1/1/1970
Apiaceae
Apium prostratum Labill.
Added on 1/1/1970
Apocynaceae
Apocynum androsaemifolium L.
Added on 1/1/1970
Apocynaceae
Apocynum cannabinum L.
Added on 1/1/1970
Apocynaceae
Apocynum ×floribundum Greene
Added on 1/1/1970
Ranunculaceae
Aquilegia flavescens S. Watson
Added on 1/1/1970
Ranunculaceae
Aquilegia flavescens S. Watson × Aquilegia formosa Fisch. ex DC. var. formosa
Added on 1/1/1970
Ranunculaceae
Aquilegia formosa Fisch. ex DC.
Added on 1/1/1970
Ranunculaceae
Aquilegia formosa Fisch. ex DC. var. formosa
Added on 1/1/1970
Ranunculaceae
Aquilegia vulgaris L.
Added on 1/1/1970
Brassicaceae
Arabidopsis kamchatica (Fisch. ex DC.) K. Shimizu & Kudoh
Added on 1/1/1970
Brassicaceae
Arabidopsis thaliana (L.) Heynh.
Added on 1/1/1970
Brassicaceae
Arabis alpina L.
Added on 1/1/1970
Brassicaceae
Arabis caucasica Willd.
Added on 1/1/1970
Brassicaceae
Arabis crucisetosa Constance & Rollins
Added on 1/1/1970
Brassicaceae
Arabis eschscholtziana Andrz.
Added on 1/1/1970
Brassicaceae
Arabis furcata S. Watson
Added on 1/1/1970
Brassicaceae
Arabis nuttallii (Kuntze) B.L. Rob.
Added on 1/1/1970
Brassicaceae
Arabis olympica Piper
Added on 1/1/1970
Araliaceae
Aralia nudicaulis L.
Added on 1/1/1970
Ericaceae
Arbutus menziesii Pursh
Added on 1/1/1970
Ericaceae
Arbutus unedo L.
Added on 1/1/1970
Russulaceae
Added on 1/1/1970
Santalaceae
Arceuthobium abietinum Engelm. ex Munz
Added on 1/1/1970
Santalaceae
Arceuthobium americanum Nutt. ex Engelm.
Added on 1/1/1970
Santalaceae
Arceuthobium campylopodum Engelm.
Added on 1/1/1970
Santalaceae
Arceuthobium douglasii Engelm.
Added on 1/1/1970
Santalaceae
Arceuthobium laricis (Piper) H. St. John
Added on 1/1/1970
Santalaceae
Arceuthobium tsugense (Rosend.) G.N. Jones
Added on 1/1/1970
Santalaceae
Arceuthobium tsugense (Rosend.) G.N. Jones ssp. contortae Wass & Mathiasen
Added on 1/1/1970
Santalaceae
Arceuthobium tsugense (Rosend.) G.N. Jones ssp. tsugense
Added on 1/1/1970
Ranunculaceae
Arcteranthis cooleyae (Vasey & Rose) Greene
Added on 1/1/1970
Asteraceae
Arctium lappa L.
Added on 1/1/1970
Asteraceae
Arctium minus (Hill) Bernh.
Added on 1/1/1970
Added on 1/1/1970
Added on 1/1/1970
Ericaceae
Arctostaphylos columbiana Piper
Added on 1/1/1970
Ericaceae
Arctostaphylos ×media Greene
Added on 1/1/1970
Ericaceae
Arctostaphylos nevadensis A. Gray
Added on 1/1/1970
Ericaceae
Arctostaphylos nevadensis A. Gray ssp. nevadensis
Added on 1/1/1970
Ericaceae
Arctostaphylos nevadensis A. Gray × Arctostaphylos patula Greene
Added on 1/1/1970
Ericaceae
Arctostaphylos patula Greene
Added on 1/1/1970
Ericaceae
Arctostaphylos uva-ursi (L.) Spreng.
Added on 1/1/1970
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