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SECOTIACEOUS FUNGI FROM WESTERN UNITED STATES
Vol 21, Page 1, Date 1971
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MYXOMYCETES NEW TO CRATER LAKE NATIONAL PARK, OREGON. I
Vol 21, Page 10, Date 1971
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Ratibida columnifera (Compositae) in California
Vol 21, Page 12, Date 1971
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TRANSFER OF PHRYGILANTHUS SONORAE TO PSITTACANTHUS (LORANTHACEAE)
Vol 21, Page 13, Date 1971
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THE GENUS CHLOROPHYLLUM (LEPIOTACEAE) IN CALIFORNIA
Vol 21, Page 15, Date 1971
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POLYPHYLETIC ORIGIN OF TETRAPLOID POPULATIONS OF GUTIERREZIA SAROTHRAE (COMPOSITAE)
Vol 21, Page 20, Date 1971
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XYLEM MONOTERPENES OF PINUS PONDEROSA, P. WASHOENSIS, AND P. JEFFREYI IN THE WARNER MOUNTAINS OF CALIFORNIA
Vol 21, Page 26, Date 1971
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STUDIEDS IN THE RHODOPHYLLOID FUNGI. I. GENERIC CONCEPTS
Vol 21, Page 32, Date 1971
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A NATURALIZED CORTADERIA (GRAMINEAE) IN CALIFORNIA
Vol 21, Page 39, Date 1971
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MORPHOLOGY, CHROMOSOME NUMBER, AND FLAVONOID CHEMISTRY OF BIDENS CORDYLOCARPA (COMPOSITAE)
Vol 21, Page 41, Date 1971
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Notes on the Flora of the Pacific Northwest
Vol 21, Page 47, Date 1971
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EVIDENCE OF DIFFERENT ADAPTATIONS OF FLOWER COLOR VARIANTS OF ENCELIA FARINOSA (COMPOSITAE)
Vol 21, Page 49, Date 1971
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A NEW MYCOCALICIUM ON SCARRED SEQUOIA IN CALIFORNIA
Vol 21, Page 62, Date 1971
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Wallace Roy Ernst, 1928-1971
Vol 21, Page 69, Date 1971
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THE GALIUM ANGUSTIFOLIUM COMPLEX (RUBIACEAE) OF CALIFORNIA AND BAJA CALIFORNIA
Vol 21, Page 70, Date 1971
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A NEW TETRAPLOID SUBSPECIES OF LASTHENIA (COMPOSITAE) FROM OREGON
Vol 21, Page 96, Date 1971
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NEW MOSS RECORDS FROM MEXICO
Vol 21, Page 99, Date 1971
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Two Species Of Panicum (poaceae) New To Oregon
Vol 21, Page 102, Date 1971
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SYSTEMATIC STUDIES OF LIMNANTHACEAE
Vol 21, Page 103, Date 1971
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Flora of the Galápagos Islands by Ira L. Wiggins, Duncan M. Porter
Vol 21, Page 111, Date 1971
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SEASONAL DIMORPHISM IN BACCHARIS GLUTINOSA (COMPOSITAE)
Vol 21, Page 113, Date 1971
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ITINERANT POLLINATORS IN A FOREST
Vol 21, Page 120, Date 1971
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The Intrageneric Position of Salix Orestera
Vol 21, Page 124, Date 1971
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A NEWLY DETERMINED SPECIES OF ELAPHOMYCES FROM OREGON
Vol 21, Page 128, Date 1971
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Plant Speciation by Verne Grant
Vol 21, Page 130, Date 1971
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A FLORA OF THE FARALLON ISLANDS, CALIFORNIA
Vol 21, Page 131, Date 1971
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TRIPLOIDY IN UTAH ASPEN
Vol 21, Page 138, Date 1971
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NOMENCLATURE AND INTERPRETATION OF A CALIFORNIA SUBSPECIES IN ARCTOSTAPHYLOS (ERICACEAE)
Vol 21, Page 147, Date 1971
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VEGETATIVE PROPAGATION OF WOODY SHRUB SPECIES FROM THE NORTHERN MOJAVE AND SOUTHERN GREAT BASIN DESERTS
Vol 21, Page 149, Date 1971
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Foxtail Pine On Sirretta Peak, California
Vol 21, Page 152, Date 1971
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A REVISION OF PHYMOSIA (MALVACEAE)
Vol 21, Page 153, Date 1971
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Botanico-Periodicum-Huntianum by George H. M. Lawrence, A. F. Günther Buchheim, Gilbert S. Daniels, Helmut Dolezal
Vol 21, Page 176, Date 1971
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THE SIGNIFICANCE OF NILES CANYON IN THE PHYTOGEOGRAPHY OF THE COAST RANGES OF CENTRAL CALIFORNIA
Vol 21, Page 177, Date 1971
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Noteworthy Records Of Western Plants
Vol 21, Page 199, Date 1971
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ARENARIA, SECTION EREMOGONE (CARYOPHYLLACEAE) IN THE PACIFIC NORTHWEST: A KEY AND DISCUSSION
Vol 21, Page 201, Date 1971
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STUDIES IN THE AGAVACEAE. I. CHROMOSOME MORPHOLOGY AND NUMBER OF SEVEN SPECIES
Vol 21, Page 208, Date 1971
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GENETICS OF LUPINUS. III. EVIDENCE FOR GENETIC DIFFERENTIATION AND COLONIZATION IN LUPINUS SUCCULENTUS (FABACEAE)
Vol 21, Page 222, Date 1971
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THE POLYPODIUM VULGARE COMPLEX IN THE PACIFIC NORTHWEST
Vol 21, Page 235, Date 1971
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LOCAL PHOTOSYNTHETIC ECOTYPES IN PINUS ATTENUATA AS RELATED TO ALTITUDE
Vol 21, Page 254, Date 1971
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Trifolium Hirtum L. (fabaceae) in California
Vol 21, Page 258, Date 1971
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BOTANICAL COLLECTING RAMBLES WITH PROF. ERIC HULTEN IN THE ALEUTIAN ISLANDS
Vol 21, Page 259, Date 1971
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A NEW GOSSYPIUM FROM GUERRERO, MEXICO
Vol 21, Page 265, Date 1972
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Corallorhiza Mertensiana Bong. in Mendocino County
Vol 21, Page 267, Date 1972
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THE MANZANITAS OF BAJA CALIFORNIA, INCLUDING A NEW SPECIES OF ARCTOSTAPHYLOS
Vol 21, Page 268, Date 1972
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LEGUMES OF THE U.S. VI. CALLIANDRA, PITHECELLOBIUM, PROSOPIS
Vol 21, Page 273, Date 1972
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Pinus Ponderosa in Malheur County, Oregon
Vol 21, Page 298, Date 1972
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THE PHYTOTOXIC POTENTIAL OF BRACKEN, PTERIDIUM AQUILINUM (L.) KUHN
Vol 21, Page 299, Date 1972
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Two new Species of Tragopogon for Arizona
Vol 21, Page 304, Date 1972
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LAND-USE HISTORY OF CALIFORNIA AND CHILE AS RELATED TO THE STRUCTURE OF THE SCLEROPHYLL SCRUB VEGETATIONS
Vol 21, Page 305, Date 1972
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AN ANNOTATED CHECK LIST OF THE GROVES OF SEQUOIADENDRON GIGANTEUM IN THE SIERRA NEVADA, CALIFORNIA
Vol 21, Page 319, Date 1972
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THE PLANTS OF SANTA BARBARA ISLAND, CALIFORNIA
Vol 21, Page 329, Date 1972
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RARE NATURAL HYBRIDIZATION IN PHORADENDRON (VISCACEAE)
Vol 21, Page 395, Date 1972
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Crupina vulgaris (Compositae: Cynareae), New to Idaho and North America
Vol 21, Page 402, Date 1972
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MOSSES OF UNUSUAL INTEREST FROM BAJA CALIFORNIA
Vol 21, Page 403, Date 1972
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New Locality for Lavatera venosa S. Wats. (Malvaceae)
Vol 21, Page 404, Date 1972
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A FEN ON THE NORTHERN CALIFORNIA COAST
Vol 21, Page 405, Date 1972
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Pleurophycus gardneri Setchell & Saunders, a new alga for Northern California
Vol 21, Page 416, Date 1972
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CHROMOSOME COUNTS IN SECTION SIMIOLUS OF THE GENUS MIMULUS (SCROPHULARIACEAE). IX. POLYPLOID AND ANEUPLOID PATTERNS OF EVOLUTION
Vol 21, Page 417, Date 1972
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A NEW SPECIES OF DYSSODIA (COMPOSITAE) FROM NORTH CENTRAL MEXICO
Vol 21, Page 421, Date 1972
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MIMULUS GEMMIPARUS SP. NOV. FROM COLORADO
Vol 21, Page 423, Date 1972
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Availability of Smiley's Boreal Flora of the Sierra Nevada
Vol 21, Page 425, Date 1972
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THE DIOECIOUS AMARANTHS: A NEW SPECIES NAME AND MAJOR RANGE EXTENSIONS
Vol 21, Page 426, Date 1972
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THE MOSSES OF THE CHANNEL ISLANDS, CALIFORNIA
Vol 21, Page 435, Date 1972
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THE VEGETATIONAL GRADIENT ON THE LOWER SLOPES OF THE SIERRA SAN PEDRO MARTIR IN NORTHWEST BAJA CALIFORNIA
Vol 21, Page 439, Date 1972
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The Savory Wild Mushroom by Margaret McKinney, Daniel E. Stuntz
Vol 21, Page 445, Date 1972
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ADDITIONS AND CORRECTIONS TO THE FLORA OF BODEGA HEAD, CALIFORNIA
Vol 21, Page 446, Date 1972
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A record from the Klamath Mountains for the Sierran endemic, monotypic genus, Whitneya (Compositae)
Vol 21, Page 449, Date 1972
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Flora of New Zealand. Vol. 2 by L. B. Moore, E. Edgar
Vol 21, Page 450, Date 1972
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TWO NEW SPECIES OF TRIFOLIUM (LEGUMINOSAE) FROM CALIFORNIA AND NEVADA
Vol 21, Page 451, Date 1972
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A New Name in Licea (Myxomycetes)
Vol 21, Page 455, Date 1972
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NEW SPECIES OF PERITYLE AND AMAURIA (COMPOSITAE)
Vol 21, Page 456, Date 1972
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Stellate Epidermal Hairs, Some 10,000 Years Old
Vol 21, Page 458, Date 1972
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TAXONOMY OF CHAETADELPHA (COMPOSITAE: CICHORIEAE)
Vol 21, Page 459, Date 1972
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Fasciation in Redwood
Vol 21, Page 462, Date 1972
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A PROPOSAL FOR CLASSIFICATION OF THE ANNUAL SPECIES OF STEPHANOMERIA (COMPOSITAE)
Vol 21, Page 463, Date 1972
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HERMAPHRODITIC FLOWERS IN CALIFORNIAN OAKS
Vol 21, Page 482, Date 1972
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Cytisus scoparius (L.) Link in North Central Idaho
Vol 21, Page 486, Date 1972
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H. E. BROWN AND THE PLANTS OF THE 'NORTH SIDE OF MOUNT SHASTA'
Vol 21, Page 487, Date 1972
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Availability of Baker's List of Seed Plants
Vol 21, Page 489, Date 1972
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Transfer of the North Coast Herbarium
Vol 21, Page 490, Date 1972
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New Distributional Records for Plants in the Pacific Northwest
Vol 21, Page 491, Date 1972
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Wild Flowers of the United States by H. W. Rickett
Vol 21, Page 492, Date 1972
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Annual Review of Ecology and Systematics by Richard F. Johnston, Peter W. Frank, Charles D. Michener
Vol 21, Page 494, Date 1972
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World Vegetation Types by S. R. Eyre
Vol 21, Page 495, Date 1972
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The Biology of Parasitic Flowering Plants by Job Kuijt
Vol 21, Page 496, Date 1972
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Flora of the Australian Capital Territory by Nancy T. Burbidge, Max Gray
Vol 21, Page 497, Date 1972
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A FLORISTIC STUDY OF POINT ARENA, MENDOCINO COUNTY, CALIFORNIA
Vol 21, Page 499, Date 1972
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INFORMATION ON CHEMISTRY AND POLLINATION BIOLOGY RELEVANT TO THE SYSTEMATICS OF NEMOPHILA MENZIESII (HYDROPHYLLACEAE)
Vol 21, Page 505, Date 1972
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L. H. Shinners' Collection of Anthophilous Hymenoptera Deposited in Dallas Museum of Natural History
Vol 21, Page 515, Date 1972
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HIGH POLYPLOIDY AND THE ORIGIN OF BALSAMORHIZA MACROPHYLLA (COMPOSITAE)
Vol 21, Page 526, Date 1972
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Haplopappus lyallii Gray (Compositae), A New Record from California
Vol 21, Page 535, Date 1972
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THE SOUTHERN EXTENSIONS OF TSUGA MERTENSIANA (MOUNTAIN HEMLOCK) IN THE SIERRA NEVADA
Vol 21, Page 536, Date 1972
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Helen M. Gilkey, 1886-1972
Vol 21, Page 539, Date 1972
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A PRELIMINARY REPORT OF THE MYXOMYCETES FROM THE STATE OF IDAHO
Vol 21, Page 540, Date 1972
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New Distributional Records for Washington Plants
Vol 21, Page 542, Date 1972