Native bees are a rich natural resource in urban California gardens von Frankie, Gordon W, Thorp, Robbin W, Hernandez, Jennifer, Rizzardi, Mark, Ertter, Barbara, Pawelek, Jaime C, Witt, Sara L, Schindler, Mary, Coville, Rollin, Wojcik, Victoria A

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Ecological Patterns of Bees and Their Host Ornamental Flowers in Two Northern California Cities von Frankie, Gordon W., Thorp, Robbin W., Schindler, Mary, Hernandez, Jennifer, Ertter, Barbara, Rizzardi, Mark

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Floristic Surprises in North America North of Mexico von Ertter, Barbara

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A re-evaluation of Potentilla drummondii and P. breweri (Rosaceae), with the new species Potentilla morefieldii von Ertter, Barbara

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Ivesia aperta var. canina (Rosaceae), new from California von Ertter, Barbara

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A re-evaluation of the Horkelia bolanderi (Rosaceae) complex, with the new species Horkelia yadonii von Ertter, B. (University of California, Berkeley, CA)

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Revisionary studies in Ivesia (Rosaceae: Potentilleae) von Ertter, B. (University of California, Berkeley, CA.)

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Notes on Goodmania and Oxytheca (Polygonaceae: Eriogonoideae) [Nomenclature] von Ertter, Barbara

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Ecological Patterns of Bees and Their Host Ornamental Flowers in Two Northern California Cities von Frankie, G W, Thorp, R W, Schindler, M, Hernandez, J, Ertter, B, Rizzardi, M

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Potentilla gracilis Douglas ex Hook. var. owyheensis Ertter & Mansfield

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Obituary: Annetta Mary Carter (1907-1991) von Ertter, B

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Lectotypification of Chorizanthe watsonii (Polygonaceae: Eriogonoideae) von Ertter, Barbara, Tiehm, Arnold

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A new species of Artemisia [packardiae] (Asteraceae: Anthemidae) from southeastern Oregon von Grimes, J.W, Ertter, B

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Ivesia gordonii (Hook.) Torr. & A.Gray var. wasatchensis N.H.Holmgren ex Ertter & Reveal

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Paronychia ahartii (Caryophyllaceae), a new species from California von Ertter, B

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New combinations in Potentilla and Horkelia (Rosaceae) in California von Ertter B

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Notes on Ivesia rhypara von Ertter, B

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A revision of the genus Oxytheca Nutt. (Polygonaceae) von Ertter, B

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Post-manual adjustments in Californian Lomatium (Apiaceae) von Constance, L. (University of California, Berkeley, CA.), Ertter, B

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Potentilla plattensis Nutt

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