P. Hargraves

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Microalgal diversity in the Indian River Lagoon system: how little we know

P. Hargraves, 2021 .

Stichochrysis immobilis is a diatom, not a chrysophyte

R. Guillard, P. Hargraves, 1993 .

Diatom resting spores: significance and strategies.

P. Hargraves, P. E. Hargraves, 1983 .

Differentiation of algae clones on the basis of resonance Raman spectra excited by visible light.

W. Nelson, P. Hargraves, C W Brown, 1998, Analytical chemistry.

Studies on marine plankton diatoms. V, Morphology and distribution on Leptocylindrus minimus Gran

P. Hargraves, 1990 .

Scanning electron microscopy of dialysis tubes incubated in flowing seawater

G. Vargo, P. Hargraves, P. Johnson, 1975 .

UV Resonance Raman Study of Domoic Acid, a Marine Neurotoxic Amino Acid

W. Nelson, P. Hargraves, J. Zhang, 1997 .

The Steady-State and Decay Characteristics of Protein Tryptophan Fluorescence from Algae

W. Nelson, J. Tanguay, P. Hargraves, 1988 .

SPORE FORMATION IN THE LIFE CYCLES OF THE DIATOMS CHAETOCEROS DIADEMA AND LEPTOCYLINDRUS DANICUS 1

P. Hargraves, F. French, 1985 .

Comparative benthic plant ecology by SCUBA-monitored quadrats

P. Hargraves, R. D. Wood, 1969, Hydrobiologia.

Autotrophic Picoplankton in Narragansett Bay and Their Interaction With Microplankton

P. Hargraves, G. Jolly, R. Vaillancourt, 2013 .

Microphyte pigments and resting spores at the water-sediment interface in the Subantarctic deep sea (Indian sector of the Southern Ocean)

P. Hargraves, J. Neveux, G. Vétion, 1997 .

Morphology and taxonomy of Chaetoceros compressus Lauder var. Hirtisetus var. nova, with preliminary consideration of closely related taxa

P. Hargraves, J. Rines, 1990 .

POPULATION DYNAMICS OF THE SPORE‐FORMING DIATOM LEPTOCYLINDRUS DANICUS IN NARRAGANSETT BAY. RHODE ISLAND1

P. Hargraves, F. French, 1986 .

STUDIES ON MARINE PLANKTON DIATOMS. II. RESTING SPORE MORPHOLOGY 1

P. Hargraves, 1976 .

Structural and physiological observations on some small marine diatoms

P. Hargraves, R. Guillard, 1974 .

Single-cell PCR of the luciferase conserved catalytic domain reveals a unique cluster in the toxic bioluminescent dinoflagellate Pyrodinium bahamense

G. Sayler, S. Wilhelm, P. Hargraves, 2016 .

Ultrastructure and Ecology of Calycomonas ovalis Wulff, 1919, (Chrysophyceae) and Its Redescription as a Testate Rhizopod, Paulinella ovalis N. Comb. (Filosea: Euglyphina)1

Paul W. Johnson, P. Hargraves, J. Sieburth, 1988 .

Identifying Marine Phytoplankton

P. Hargraves, 1998 .

An effect of dissolved nutrient concentrations on alkenone‐based temperature estimates

P. Hargraves, S. D’Hondt, J. Quinn, 1998 .

The possible metabolic role of C37 alkenones in Emiliania huxleyi

P. Hargraves, S. D’Hondt, B. Epstein, 2001 .

The Chaetoceros Ehrenberg (Bacillariophyceae) Flora of Narragansett Bay, Rhode Island, U.S.A.

P. Hargraves, J. Rines, 1988 .

DIVERSITY IN THE GENUS SKELETONEMA (BACILLARIOPHYCEAE): III. PHYLOGENETIC POSITION AND MORPHOLOGICAL VARIABILITY OF SKELETONEMA COSTATUM AND SKELETONEMA GREVILLEI, WITH THE DESCRIPTION OF SKELETONEMA ARDENS SP. NOV. 1

D. Sarno, A. Zingone, P. Hargraves, 2007 .

The ebridian flagellates Ebria and Hermesinum

P. Hargraves, 2002 .

POTENTIALLY TOXIC OR HARMFUL MICROALGAE FROM THE NORTHEAST COAST

Lucie Maranda, P. Hargraves, 2002 .

Seasonal variations of tintinnids (Ciliophora: Oligotrichida) in Narragansett Bay, Rhode Island, U.S.A.

P. Hargraves, 1981 .

Subtidal Benthic Diatoms from a Stratified Estuarine Basin

P. Hargraves, D. Kennett, 1984 .

2 NATURALLY OCCURRING ABNORMALITIES OF THE DIATOM PODOCYSTIS-ADRIATICA

P. Hargraves, 1968 .

Ebria and Hermesinum

P. Hargraves, 2002 .

Plicate Species of the Diatom Genus Thalassiosira (Bacillariophyta) from the Atlantic and Gulf Coasts of Southeastern United States, with the Description of T. livingstoniorum sp. nov.

P. Hargraves, J. Nienow, A. Prasad, 2011 .

Part 1 Phytoplankton

P. Hargraves, R. Víquez, 2009 .

Morphological variability within resting spores of the marine diatom genus Chaetoceros Ehrenberg

P. Hargraves, D. Stockwell, 1986 .

Seven new species expand the morphological spectrum of Haslea . A comparison with Gyrosigma and Pleurosigma (Bacillariophyta)

M. Tiffany, P. Hargraves, F. Sterrenburg, 2015 .

Typification and taxonomy of Gyrosigma tenuissimum (W. Sm.) J.W. Griffith & Henfr., comparison with Gyrosigma coelophilum N. Okamoto & Nagumo and description of two new taxa: Gyrosigma tenuissimum var. gundulae var. nov. and Gyrosigma baculum sp. nov . (Pleurosigmataceae, Bacillariophyta)

P. Hargraves, F. Sterrenburg, M. D. Haan, 2014 .

The seasonal distribution of the marine diatom genus Chaetoceros Ehr. in Narragansett Bay, Rhode Island (1981–1982)

P. Hargraves, J. Rines, 1987 .

Studies on marine plankton diatoms. I. Chaetoceros diadema (Ehr.) Gran: life cycle, structural morphology, and regional distribution

P. Hargraves, 1972 .

Dinoflagellate abundance in the laguna botos, poas volcano, costa rica

P. Hargraves, M. Víquez, 2016 .

Effects of ultraviolet-B enhancement on marine trophic levels in a stratified coastal system

C. Oviatt, E. Klos, P. Hargraves, 1997 .

Annual cycle of potentially harmful dinoflagellates in the Golfo de Nicoya, Costa Rica

P. Hargraves, R. Víquez, 1995 .

Morphology and ecology of Oltmannsiella virida, sp. nov. (Chlorophyceae: Volvocales)

P. Hargraves, R. Steele, 1980 .

ULTRASTRUCTURE AND ECOLOGY OF AUREOCOCCUS ANOPHAGEFERENS GEN. ET SP. NOV. (CHRYSOPHYCEAE): THE DOMINANT PICOPLANKTER DURING A BLOOM IN NARRAGANSETT BAY, RHODE ISLAND, SUMMER 1985 1

Paul W. Johnson, P. Hargraves, J. Sieburth, 1988 .

Morphology, phylogeny and taxonomy of species within the Pseudo-nitzschia americana complex (Bacillariophyceae) with descriptions of two new species, Pseudo-nitzschia brasiliana and Pseudo-nitzschia linea

G. Fryxell, G. Hasle, P. Hargraves, 2002 .

Tintinnid agglutination of coccoliths: A selective or random process?

A. Winter, P. Hargraves, D. Stockwell, 1986 .

The life history of Pyramimonas amylifera Conrad (Prasinophyceae)

P. Hargraves, W. E. Gardiner, 1980 .

Prorocentrum lima (Dinophyceae) in northeastern USA coastal waters: I. Abundance and distribution

Lucie Maranda, P. Hargraves, S. Corwin, 2007 .

Benthic diatoms and sulfide fluctuations: upper basin of Pettaquamscutt River, Rhode Island

P. Hargraves, D. Kennett, 1985 .

Chloroplast containing microflagellates in natural populations of North Atlantic nanoplankton, their identification and distribution; including a description of five new species of Chrysochromulina (Prymnesiophyceae)

P. Hargraves, J. Sieburth, K. Estep, 1984 .

DESCRIPTION AND CHARACTERIZATION OF THE ALGAL SPECIES AUREOUMBRA LAGUNENSIS GEN. ET SP. NOV. AND REFERRAL OF AUREOUMBRA AND AUREOCOCCUS TO THE PELAGOPHYCEAE 1

Paul W. Johnson, C. Suttle, P. Hargraves, 1997 .

Pfiesteria Species Identified in Ships ’ Ballast Water and Residuals : A Possible Vector for Introductions to Coastal Areas

Lucie Maranda, S. Morton, P. Hargraves, 2005 .

Spatial and temporal distribution of phytoplankton in the Gulf of Nicoya, Costa Rica

P. Hargraves, 1985 .

The Dinoflagellate red tide in Golfo de Nicoya, Costa Rica

P. Hargraves, R. Víquez, 1981 .

A type study and emended description of Haslea wawrikae (Bacillariophyta)

P. Hargraves, F. Sterrenburg, F. Hinz, 2015 .

Ultra-Violet Resonance Raman Spectra of Live Cyanobacteria with 222.5–251.0 nm Pulsed Laser Excitation

W. Nelson, P. Hargraves, M. Baek, 1989 .