Grethe R. Hasle - Publications

Affiliations: 
1989 University of Oslo, Norway, Oslo, Oslo, Norway 

49 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2010 Lundholm N, Hasle GR. Fragilariopsis (Bacillariophyceae) of the Northern Hemisphere - Morphology, taxonomy, phylogeny and distribution, with a description of F. pacifica sp. nov Phycologia. 49: 438-460. DOI: 10.2216/09-97.1  0.337
2006 Silva PC, Hasle GR. Taxonomic and nomenclatural history of Fragilaria (Bacillariophyceae) Taxon. 55: 200-202. DOI: 10.2307/25065542  0.401
2006 Silva PC, Hasle GR. Taxonomic and nomenclatural history of Fragilaria (Bacillariophyceae) Taxon. 55: 200-202. DOI: 10.1016/j.chroma.2006.06.020  0.301
2005 Hasle GR, Lundholm N. Pseudo-nitzschia seriata f. obtusa (Bacillariophyceae) raised in rank based on morphological, phylogenetic and distributional data Phycologia. 44: 608-619. DOI: 10.2216/0031-8884(2005)44[608:Psfobr]2.0.Co;2  0.369
2003 Lundholm N, Moestrup Ø, Hasle GR, Hoef-Emden K. A study of the Pseudo-nitzschia pseudodelicatissima/cuspidata complex (Bacillariophyceae): What is P. pseudodelicatissima? Journal of Phycology. 39: 797-813. DOI: 10.1046/J.1529-8817.2003.02031.X  0.406
2002 Lundholm N, Hasle GR, Fryxell GA, Hargraves PE. 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 Phycologia. 41: 480-497. DOI: 10.2216/I0031-8884-41-5-480.1  0.388
2002 Hasle GR. Are most of the domoic acid-producing species of the diatom genus Pseudo-nitzschia cosmopolites? Harmful Algae. 1: 137-146. DOI: 10.1016/S1568-9883(02)00014-8  0.356
2001 Hasle GR. The marine, planktonic diatom family thalassionemataceae: Morphology, taxonomy and distribution Diatom Research. 16: 1-82. DOI: 10.1080/0269249X.2001.9705509  0.455
1999 Hasle GR. Thalassionema synedriforme comb. nov. and Thalassiothrix spathulata sp. nov., two marine, planktonic diatoms from warm waters Phycologia. 38: 54-59. DOI: 10.2216/I0031-8884-38-1-54.1  0.438
1998 Hasle GR, Heimdal BR. The net phytoplankton in Kongsfjorden, Svalbard, July 1988, with general remarks on species composition of arctic phytoplankton Polar Research. 17: 31-52. DOI: 10.3402/Polar.V17I1.6605  0.423
1996 Hasle GR, Syvertsen EE, Von Quillfeldt CH. Fossula arctica gen. nov., spec. nov., a marine Arctic araphid diatom Diatom Research. 11: 261-272. DOI: 10.1080/0269249X.1996.9705383  0.37
1996 Hasle GR, Lange CB, Syvertsen EE. A review of Pseudo-nitzschia, with special reference to the Skagerrak, North Atlantic, and adjacent waters Helgolander Meeresuntersuchungen. 50: 131-175. DOI: 10.1007/Bf02367149  0.302
1996 Hasle GR, Von Quillfeldt CH. A catalogue of Svalbard plants, fungi, algae and cyanobacteria: Part 8. Marine microalgae Norsk Polarinstitutt, Skrifter. 375-382.  0.332
1995 Hasle GR. Pseudo-Nitzschia Pungens And P. Multiseries (Bacillariophyceae): Nomenclatural History, Morphology, And Distribution1 Journal of Phycology. 31: 428-435. DOI: 10.1111/J.0022-3646.1995.00428.X  0.439
1994 Hasle GR, Medlin LK, Syvertsen EE. Synedropsis gen.nov., a genus of araphid diatoms associated with sea ice Phycologia. 33: 248-270. DOI: 10.2216/I0031-8884-33-4-248.1  0.376
1994 Hasle GR. Pseudo‐Nitzschia As A Genus Distinct From Nitzschia (Bacillariophyceae)1 Journal of Phycology. 30: 1036-1039. DOI: 10.1111/J.0022-3646.1994.01036.X  0.336
1994 Hasle GR. Pseudo-nitzschia as a genus distinct from Nitzschia (Bacillariophyceae) - Note Journal of Phycology. 30: 1036-1039.  0.323
1992 Hasle GR, Lange CB. Morphology and distribution of coscinodiscus species from the oslofjord, norway, and the skagerrak, north atlantic Diatom Research. 7: 37-68. DOI: 10.1080/0269249X.1992.9705196  0.32
1992 Lange CB, Hasle GR, Syvertsen EE. Seasonal cycle of diatoms in the skagerrak, North Atlantic, with emphasis on the period 1980-1990 Sarsia. 77: 173-187. DOI: 10.1080/00364827.1992.10413503  0.384
1990 Hasle GR. The planktonic marine diatom thalassiosira mediterranea (synonym thalassiosira stellaris) Diatom Research. 5: 415-418. DOI: 10.1080/0269249X.1990.9705132  0.379
1990 Medlin LK, Hasle GR. Some Nitzschia and related diatom species from fast ice samples in the Arctic and Antarctic Polar Biology. 10: 451-479. DOI: 10.1007/Bf00233693  0.427
1989 Hasle GR, Lange CB. Freshwater and brackish water Thalassiosira (Bacillariophyceae): taxa with tangentially undulated valves Phycologia. 28: 120-135. DOI: 10.2216/I0031-8884-28-1-120.1  0.365
1988 Hasle GR, Syvertsen EE, Sims PA. Two Recent Stellarima Species: S. microtrias and S. stellaris (Bacillariophyceae) Botanica Marina. 31: 195-206. DOI: 10.1515/Botm.1988.31.3.195  0.387
1987 Sims PA, Hasle GR. Two cretaceous stellarima species: S. steinyi and s. distincta; their morphology, palaeogeography and phylogeny Diatom Research. 2: 229-240. DOI: 10.1080/0269249X.1987.9705001  0.331
1987 Hasle GR, Semina HJ. The marine planktonic diatoms thalassiothrix longissima and thalassiothrix antarctica with comments on thalassionema spp. and synedra reinboldii Diatom Research. 2: 175-192. DOI: 10.1080/0269249X.1987.9704996  0.327
1986 Hasle GR, Sims PA. The Diatom Genus Coscinodiscus Ehrenb.: C. argus Ehrenb. and C. radiatus Ehrenb Botanica Marina. 29: 305-318. DOI: 10.1515/Botm.1986.29.4.305  0.315
1986 Hasle GR, Sims PA. The diatom genera stellarima and symbolophora with comments on the genus actinoptychus British Phycological Journal. 21: 97-114. DOI: 10.1080/00071618600650101  0.424
1985 Hasle GR, Syvertsen EE. Thalassiosiropsis, a new diatom genus from the fossil records Micropaleontology. 31: 82-91. DOI: 10.2307/1485584  0.354
1985 Hasle GR. The fossil diatom Thalassiosira oranica n. sp Micropaleontology. 31: 280-284. DOI: 10.2307/1485546  0.362
1985 Hasle GR, Sims PA. The morphology of the diatom resting spores syringidium bicorne and syringidium simplex British Phycological Journal. 20: 219-225. DOI: 10.1080/00071618500650231  0.304
1984 Hasle GR, Booth BC. Nitzschia cylindroformis sp. nov., a common and abundant nanoplankton diatom of the eastern subarctic Pacific Journal of Plankton Research. 6: 493-503. DOI: 10.1093/Plankt/6.3.493  0.449
1984 Syvertsen EE, Hasle GR. Thalassiosira bulbosa Syvertsen, sp. nov., an arctic marine diatom Polar Biology. 3: 167-172. DOI: 10.1007/Bf00442648  0.436
1983 Hasle GR. Thalassiosira punctigera (Castr.) comb. nov., a widely distributed marine planktonic diatom Nordic Journal of Botany. 3: 593-608. DOI: 10.1111/J.1756-1051.1983.Tb01471.X  0.416
1983 Hasle GR. The Marine, Planktonic Diatoms Thalassiosira Oceanica Sp. Nov. And T. Partheneia1 Journal of Phycology. 19: 220-229. DOI: 10.1111/J.0022-3646.1983.00220.X  0.433
1980 Fryxell GA, Hasle GR. The Marine Diatom Thalassiosira Oestrupii: Structure, Taxonomy And Distribution American Journal of Botany. 67: 804-814. DOI: 10.1002/J.1537-2197.1980.Tb07709.X  0.357
1979 Fryxell GA, Hasle GR. The genus Thalassiosira: species with internal extensions of the strutted processes Phycologia. 18: 378-393. DOI: 10.2216/I0031-8884-18-4-378.1  0.457
1978 Hasle GR. Some freshwater and brackish water species of the diatom genus Thalassiosira Cleve Phycologia. 17: 263-292. DOI: 10.2216/I0031-8884-17-3-263.1  0.478
1977 Hasle GR. Morphology and taxonomy of Actinocyclus normanii f. subsalsa (Bacillariophyceae) Phycologia. 16: 321-328. DOI: 10.2216/I0031-8884-16-3-321.1  0.368
1976 Hasle GR, Evensen DL. BRACKISH WATER AND FRESHWATER SPECIES OF THE DIATOM GENUS SKELETONEMA. II. SKELETONEMA POTAMOS COMB. NOV Journal of Phycology. 12: 73-82. DOI: 10.1111/J.1529-8817.1976.Tb02829.X  0.453
1976 Hasle GR. Examination of diatom type material: Nitzschia delicatissima Cleve, Thalassiosira minuscula Krasske, and Cyclotella nana Hustedt European Journal of Phycology. 11: 101-110. DOI: 10.1080/00071617600650141  0.397
1976 Hasle GR. The biogeography of some marine planktonic diatoms Deep Sea Research and Oceanographic Abstracts. 23. DOI: 10.1016/0011-7471(76)90873-1  0.466
1976 Hasle GR. BIOGEOGRAPHY OF SOME MARINE PLANKTONIC DIATOMS Deep Sea Res Oceanogr Abstr. 23: 319-338.  0.379
1975 Hasle GR, Evensen DL. Brackish-water and fresh-water species of the diatom genus Skeletonema Grev. I. Skeletonema subsalsum (A. Cleve) Bethge Phycologia. 14: 283-297. DOI: 10.2216/I0031-8884-14-4-283.1  0.42
1974 Hasle GR. Validation of the Names of Some Marine Planktonic Species of Nitzschia (Bacillariophyceae) Taxon. 23: 425. DOI: 10.2307/1218752  0.43
1972 Fryxell GA, Hasle GR. Thalassiosira Eccentrica (Ehrenb.) Cleve, T. Symmetrica Sp. Nov., And Some Related Centric Diatoms1 Journal of Phycology. 8: 297-317. DOI: 10.1111/J.1529-8817.1972.Tb04044.X  0.445
1968 Hasle GR, Heimdal BR. Morphology and distribution of the marine centric diatom Thalassiosira antarctica Comber Journal of the Society of Dyers and Colourists. 88: 357-369. DOI: 10.1111/J.1365-2818.1968.Tb00618.X  0.312
1967 Hasle GR, Mendiola BREd. The Fine Structure of Some Thalassionema and Thalassiothrix Species Phycologia. 6: 107-125. DOI: 10.2216/I0031-8884-6-2-107.1  0.362
1959 Hasle GR. A quantitative study of phytoplankton from the equatorial Pacific Deep Sea Research (1953). 6: 38-59. DOI: 10.1016/0146-6313(59)90055-3  0.349
1956 Hasle GR. Phytoplankton and hydrography of the pacific part of the antarctic ocean Nature. 177: 616-617. DOI: 10.1038/177616A0  0.304
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