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Pollen and spores of the uppermost Eocene Florissant Formation, Colorado

A combined light and scanning electron microscopy study

, &
Pages 179-245 | Received 22 May 2015, Accepted 11 Aug 2015, Published online: 28 Jan 2016

References

  • Acevedo-Rodríguez P, Van Werlzen P, Adema F, Van der Ham RWJM. 2011. Sapindaceae. In: Kubitzki K, ed. The families and genera of vascular plants 10 – Flowering plants – Eudicots – Sapindales, Cucurbitales, Myrtaceae, 358–407. Berlin: Springer.
  • Beug HJ. 2004. Leitfaden der Pollenbestimmung für Mitteleuropa und angrenzende Gebiete. München: Dr. Friedrich Pfeil.
  • Biesboer DD. 1975. Pollen morphology of Aceraceae. Grana 15: 19–27.
  • Blackmore S, Steinmann JAJ, Hoen PP, Punt W. 2003. The northwest European pollen flora, 65: Betulaceae and Corylaceae. Review of Palaeobotany and Palynology 123: 71–98. doi:10.1016/S0034-6667(02)00156-2.
  • Bogle AL, Philbrick CT. 1980. A generic atlas of Hamamelidaceous pollen. Contributions from the Grey Herbarium of Harvard University 210: 29–103.
  • Bolinder K, Ivarsson LN, Humphreys AM, Ickert-Bond SM, Han F, Hoorn C, Rydin C. 2016. Pollen morphology of Ephedra (Gnetales) and its evolutionary implications. Grana.
  • Boros A, Járai-Komlódi M. 1975. An atlas of recent European moss spores. Budapest: Akadémiai Kiadó.
  • Bos JAA, Punt W. 1991. The northwest European pollen flora, 47: Juglandaceae. Review of Palaeobotany and Palynology 69: 79–95. doi:10.1016/0034-6667(91)90067-D.
  • Bouchal J, Zetter R, Grímsson F, Denk T. 2014. Evolutionary trends and ecological differentiation in early Cenozoic Fagaceae of western North America. American Journal of Botany 101: 1332–1349. doi:10.3732/ajb.1400118.
  • Bouchal JM. 2013. The microflora of the uppermost Eocene (Priabonian) Florsissant Formation, a combined method approach. Master’s Thesis, University of Vienna, Vienna.
  • Bredenkamp CL, Van Wyk AE. 1996. Palynology of the genus Passerina (Thymelaeaceae): Relationships, form and function. Grana 35: 335–346. doi:10.1080/00173139609429092.
  • Buskirk B, Meyer H. 2008. Summer excavation yields new fossil discovery. Friends of the Florissant Fossil Beds Newsletter 2: 9.
  • Cerceau-Larrivall MT, Straka H, Friedrich B. 1984. Palynologia Madagassica et Mascarenia: Fam. 155–166. Tropische und subtropische Pflanzenwelt 51: 595–638.
  • Chia-Chi H, Chao-Xin H. 1988. Pollen morphology of Caprifoliaceae from China and its taxonomic significnce. Acta Phytotaxonomica Sinica 26: 343–352.
  • Christensen PB. 1986. Pollen morphological studies in the Malvaceae. Grana 25: 95–117. doi:10.1080/00173138609428890.
  • Clarke GCS, Jones MR. 1978. The northwest European pollen flora, 17: Aceraceae. Review of Palaeobotany and Palynology 26: 181–193. doi:10.1016/0034-6667(78)90043-X.
  • Corrêa AM. 2003. Morfologia polínica de Caesalpinia echinata Lam. (Leguminosae, Caesalpinioideae). Revista Brasilia Botanica 26: 355–359.
  • Crepet WL, Dilcher DL. 1977. Investigations of angiosperms from the Eocene of North America: A mimosoid inflorescence. American Journal of Botany 64: 714–725. doi:10.2307/2441724.
  • Culhane KJ, Blackmore S. 1988. The nortwest European pollen flora, 41: Malvaceae. Review of Palaeobotany and Palynology 57: 45–74. doi:10.1016/0034-6667(88)90046-2.
  • Daghlian CP, Crepet WL, Delevoryas T. 1980. Investigations of tertiary angiosperms: A new flora including Eomimosoidea plumosa from the Oligocene of eastern Texas. American Journal of Botany 67: 309–320. doi:10.2307/2442341.
  • Dehghani M, Akhani H. 2009. Pollen morphological studies in subfamily Suaedoideae (Chenopodiaceae). Grana 48: 79–101. doi:10.1080/00173130902842968.
  • Denk T, Dillhoff RM. 2005. Ulmus leaves and fruits from the early–middle Eocene of northwestern North America: Systematics and implications for character evolution within Ulmaceae. Canadian Journal of Botany 83: 1663–1681. doi:10.1139/b05-122.
  • Denk T, Grimm GW. 2009. Significance of pollen characteristics for infrageneric classification and phylogeny in Quercus (Fagaceae). International Journal of Plant Sciences 170: 926–940. doi:10.1086/592012.
  • Denk T, Grimm GW. 2010. The oaks of western Eurasia: Traditional classifications and evidence from two nuclear markers. Taxon 59: 351–366.
  • Denk T, Grímsson F, Zetter R, Simonarson LA. 2011. Late Cainozoic floras of Iceland – 15 million years of vegetation and climate history in the northern North Atlantic. Dordrecht: Springer.
  • Denk T, Tekleva MV. 2006. Comparative pollen morphology and ultrastructure of Platanus: Implications for phylogeny and evaluation of the fossil record. Grana 45: 195–221. doi:10.1080/00173130600873901.
  • Denk T, Tekleva MV. 2014. Pollen morphology and ultrastructure of Quercus with focus on Group Ilex (=Quercus Subgenus Heterobalanus (Oerst.) Menitsky): Implications for oak systematics and evolution. Grana 53: 255–282. doi:10.1080/00173134.2014.918647.
  • Dilcher DL. 1969. Podocarpus from the Eocene of North America. Science 164: 299–301. doi:10.1126/science.164.3877.299.
  • Dönmez EO. 2008. Pollen morphology in Turkish Crataegus (Rosaceae). Botanica Helvetica 118: 59–70. doi:10.1007/s00035-008-0823-5.
  • Donoghue MJ. 1985. Pollen diversity and exine evolution in Viburnum and the Caprifoliaceae sensu lato. Journal of the Arnold Arboretum 66: 421–469.
  • Dransfield J, Uhl NW, Asmussen CB, Baker WJ, Harley MM, Lewis CE. 2008. Genera palmarum – The evolution and classification of palms. Kew: Kew Publishing.
  • El-Ghazaly G, Rowley JR. 1997. Pollen wall of Ephedra foliata. Palynology 21: 7–18. doi:10.1080/01916122.1997.9989483.
  • Erdtman G. 1952. Pollenmorphology and plant taxonomy – Angiosperms (An introduction to palynology, I). Stockholm: Almquist & Wiksell.
  • Erdtman G. 1965. Pollen and spore morphology/plant taxonomy. Gymnospermae, Bryophyta (An introduction to palynology, III). Stockholm: Almqvist & Wiksell.
  • Erwin DM, Schorn HE. 2005. Revision of the conifers from the Eocene thunder mountain flora, Idaho, U.S.A. Review of Palaeobotany and Palynology 137: 125–145. doi:10.1016/j.revpalbo.2005.09.002.
  • Evanovff E, Mcintosh WC, Murphey PC. 2001. Stratigraphic summary and 40Ar/39Ar geochronology of the Florissant formation, Colorado. Proceedings of the Denver Museum of Nature and Science Series 4: 1–16.
  • Ferguson DK, Liu YS, Zetter R. 1997. The palaeoendemic plants of East Asia: Evidence from the fossil record for changing distribution. In: Jablonski ND, eds. The changing face of East Asia during during the tertiary and quaternary, 359–371. Hong Kong: The University of Hong Kong.
  • Ferguson DK, Zetter R, Paudayal KN. 2007. The need for the SEM in palaeopalynology. Comptes Rendus Palevol 6: 423–430. doi:10.1016/j.crpv.2007.09.018.
  • Ferguson IK. 1975. Pollen morphology of the tribe Triclisieae of the Menispermaceae in relation to its taxonomy. Kew Bulletin 30: 49–75. doi:10.2307/4102875.
  • Ferrucci MS. 2006. A new species of Urvillea (Sapindaceae) from northwestern Venezuela. Brittonia 58: 83–87. doi:10.1663/0007-196X(2006)58[83:ANSOUS]2.0.CO;2.
  • Ferrucci MS, Anzotegui LM. 1993. El polen de Paullinieae. Bonplandia 6: 211–243.
  • Fritz A, Allesch K. 1999. Pollenmorphologische Bilddokumentation ausgewählter Sippen der ehemals Kätzchenblütigen. Carinthia II 189: 471–490.
  • Furness CA, Rudall PJ. 2006. Comparative structure and development of pollen and tapetum in Pandanales. International Journal of Plant Sciences 167: 331–348. doi:10.1086/ijps.2006.167.issue-2.
  • Fürstl T. 2002. Zur Pollenmorphologie rezenter und fossiler Aceraceae. Master’s Thesis, University of Vienna, Austria.
  • Göschl W. 2008. Beiträge zur Pollenmorphologie ausgewählter rezenter und fossilier Vertreter der Davidiaceae und Nyssaceae. Master’s Thesis, University of Vienna, Vienna.
  • Gregory-Wodzicki KM. 2001. Paleoclimatic implications of tree-ring growth characteristics of 34.1 Ma Sequoioxylon pearsallii from Florissant, Colorado. Proceedings of the Denver Museum of Nature and Science Series 4: 163–186.
  • Grímsson F, Denk T, Zetter R. 2008. Pollen, fruits, and leaves of Tetracentron (Trochodendraceae) from the Cainozoic of Iceland and western North America and their palaeobiogeographic implications. Grana 47: 1–14. doi:10.1080/00173130701873081.
  • Grímsson F, Ferguson DK, Zetter R. 2012a. Morphological trends in the fossil pollen of Decodon and the paleobiogeographic history of the genus. International Journal of Plant Sciences 173: 297–317. doi:10.1086/663968.
  • Grímsson F, Grimm GW, Meller B, Bouchal JM, Zetter R. 2016. Combined LM and SEM study of the Middle Miocene (Sarmatian) palynoflora from the Lavanttal Basin, Austria: Part IV. Magnoliophyta 2 – Fagales to Rosales. Grana.
  • Grímsson F, Meller B, Bouchal JM, Zetter R. 2015a. Combined LM and SEM study of the middle Miocene (Sarmatian) palynoflora from the Lavanttal Basin, Austria: Part III. Magnoliophyta 1 – Magnoliales to Fabales. Grana 54: 85–128. doi:10.1080/00173134.2015.1007081.
  • Grímsson F, Zetter R. 2011. Combined LM and SEM study of the middle Miocene (Sarmatian) palynoflora from the Lavanttal Basin, Austria: Part II. Pinophyta (Cupressaceae, Pinaceae and Sciadopityaceae). Grana 50: 262–310. doi:10.1080/00173134.2011.641450.
  • Grímsson F, Zetter R, Baal C. 2011. Combined LM and SEM study of the Middle Miocene (Sarmatian) palynoflora from the Lavanttal Basin, Austria: Part I. Bryophyta Lycopodiophyta, Pteridophyta, Ginkgophyta, and Gnetophyta. Grana 50: 102–128. doi:10.1080/00173134.2011.585804.
  • Grímsson F, Zetter R, Grimm GW, Pedersen GK, Pedersen AK, Denk T. 2015b. Fagaceae pollen from the early Cenozoic of West Greenland: Revisiting Engler’s and Chaney’s Arcto-Tertiary hypotheses. Plant Systematics and Evolution 301: 809–832. doi:10.1007/s00606-014-1118-5.
  • Grímsson F, Zetter R, Halbritter H, Grimm GW. 2014. Aponogeton pollen from the Cretaceous and Paleogene of North America and West Greenland: Implications for the origin and palaeobiogeography of the genus. Review of Palaeobotany and Palynology 200: 161–187. doi:10.1016/j.revpalbo.2013.09.005.
  • Grímsson F, Zetter R, Hofmann C-C. 2011. Lythrum and Peplis from the Late Cretaceous and Cenozoic of North America and Eurasia: New evidence suggesting early diversification within the Lythraceae. American Journal of Botany 98: 1801–1815. doi:10.3732/ajb.1100204.
  • Grímsson F, Zetter R, Leng Q. 2012b. Diverse fossil Onagraceae pollen from a Miocene palynoflora of north-east China: Early steps in resolving the phytogeographic history of the family. Plant Systematics and Evolution 298: 671–687. doi:10.1007/s00606-011-0578-0.
  • Grygorieva O, Brindza J, Ostrolucká MG, Ostrovský R, Klymenko S, Nozková J, Tóth D. 2010. Pollen characteristics in some Persimmon species (Diospyros spp.). Agriculture (pol’nohosordárstvo) 57: 121–130.
  • Halbritter H. 2005a. Elaeagnus angustifolia. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Elaeagnus_angustifolia/111248; accessed 13 July 2015.
  • Halbritter H. 2005b. Ginkgo biloba. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Ginkgo_biloba/100433; accessed 13 July 2015.
  • Halbritter H. 2005c. Malva sylvestris. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Malva_sylvestris/109958; accessed 13 July 2015.
  • Halbritter H. 2005d. Thymelaea passerina. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Thymelaea_passerina/113651; accessed 13 July 2015.
  • Halbritter H. 2010. Cardiospermum corindum. In: PalDat (2010-11-01) – a palynological database. https://www.paldat.org/pub/Cardiospermum_corindum/112400; accessed 13 July 2015.
  • Halbritter H. 2012. Iva xanthifolia. In: PalDat (2012-03-06) – a palynological database. https://www.paldat.org/pub/Iva_xanthiifolia/206920; accessed 13 July 2015.
  • Halbritter H. 2015. Stipa eriocaulis. In: PalDat (2015-03-31) – a palynological database. https://www.paldat.org/pub/Stipa_eriocaulis/300029; accessed 13 July 2015.
  • Halbritter H, Buchner R. 2011. Acer palmatum. In: PalDat (2011-08-22) – a palynological database. https://www.paldat.org/pub/Acer_palmatum/202647; accessed 13 July 2015.
  • Halbritter H, Buchner R. 2012. Oenothera acaulis. In: PalDat (2012-05-27) – a palynological database. https://www.paldat.org/pub/Oenothera_acaulis/209522; accessed 13 July 2015.
  • Hamdi SMM, Assadi M, Segarra-Morragues JG. 2010. Pollen morphology of Iranian species of Typha L. (Typhaceae) and its taxonomic significance. Feddes Repertorium 121: 85–96. doi:10.1002/fedr.200911130.
  • Hamdi SMM, Malekloo M, Assadi M, Nejadsatari T. 2009. Pollen micromorphological studies of the genus Chenopodium (Chenopodiaceae) in Iran. Asian Journal of Plant Sciences 8: 129–137. doi:10.3923/ajps.2009.129.137.
  • Harley MM. 1985. Pollen morphology and taxonomy of the tribe fibraureae (Menispermaceae). Kew Bulletin 40: 553–565. doi:10.2307/4109615.
  • Harley MM. 1991. The pollen morphology of the Sapotaceae. Kew Bulletin 46: 379–491. doi:10.2307/4110538.
  • Hascall AP. 1988. Stratigraphic palynology, vegetation dynamics and paleoecology of the Florissant Lake Beds (Oligocene), Colorado. Master’s Thesis, Michigan State University, Lansing.
  • Hebda RJ, Chinnappa CC. 1990. Studies on pollen morphology of Rosaceae in Canada. Review of Palaeobotany and Palynology 64: 103–108. doi:10.1016/0034-6667(90)90123-Z.
  • Hebda RJ, Chinnappa CC. 1994. Studies on pollen morphology of Rosaceae. Acta Botanica Gallica 141: 183–193. doi:10.1080/12538078.1994.10515150.
  • Hebda RJ, Chinnappa CC, Smith BM. 1988a. Pollen morphology of the Rosaceae of Western Canada I. Agrimonia to Crataegus. Grana 27: 95–113. doi:10.1080/00173138809432836.
  • Hebda RJ, Chinnappa CC, Smith BM. 1988b. Pollen morphology of the Rosaceae of Western Canada II. Dryas, Fragaria, Holodiscus. Canadian Journal of Botany 66: 595–612. doi:10.1139/b88-086.
  • Herber BE. 2002. Pollen morphology of the Thymelaeaceae in relation to its taxonomy. Plant Systematics and Evolution 232: 107–121. doi:10.1007/s006060200030.
  • Hesse M, Halbritter H, Weber M, Buchner R, Frosch-Radivo A, Ulrich S. 2009. Pollen terminology – An illustrated handbook. Wien. New York: Springer.
  • Hesse M, Zetter R. 2007. The fossil pollen record of Araceae. Plant Systematics and Evolution 263: 93–115. doi:10.1007/s00606-006-0468-z.
  • Heusser CJ, Peteet DM. 1988. Spores of Lycopodium and Selaginella of North Pacific America. Canadian Journal of Botany 66: 508–552. doi:10.1139/b88-074.
  • Hollick A. 1907. Description of a new Tertiary fossil flower from Florissant, Colorado. Torreya 7: 182–184.
  • Hotton CL, Leffingwell HA, Skvarla JJ. 1994. Pollen ultrastructure of Pandanaceae and the fossil genus Pandaniidites. In: Kurmann MH, Doyle JA, eds. Ultrastructureof fossil spores and pollen, 173–191. Kew: Royal Botanical Gardens.
  • Hubert F, Grimm GW, Jousselin E, Berry V, Franc A, Kremer A. 2014. Multiple nuclear genes stabilize the phylogenetic backbone of the genus Quercus. Systematics and Biodiversity 12: 405–423. doi:10.1080/14772000.2014.941037.
  • Jones GD, Bryant VM, Lieux MH, Jones SD, Lingren PD. 1995. Pollen of the southeastern United States: With emphasis on melissopalynology and entomopalynology. AASP contribution series number 30.
  • Kedves M. 1985. LM, TEM and SEM investigations on recent inapertureate Gymnospermatophyta pollen grains. Acta Biologica Szegedinensis 31: 129–146.
  • Köhler E, Lange E. 1979. A contribution to distinguishing cereal from wild grass pollen grains by LM and SEM. Grana 18: 133–140. doi:10.1080/00173137909424973.
  • Korall P, Taylor WA. 2006. Megaspore morphology in the Selaginellaceae in a phylogenetic context: A study of the megaspore surface and wall structure using scanning electron microscopy. Grana 45: 22–60. doi:10.1080/00173130500520453.
  • Leopold EB. 1969. Selected pollen of the (upper Oligocene) Florissant Formation (plate of 40 grains), pl. 16-6. In Penny JS, ed. Cretaceaous and early Tertiary palynology. In: Tschudy RH, Scott RA, eds. Aspects of Palynology, 363. New York: Wiley-Interscience.
  • Leopold EB, Clay Poole ST. 2001. Florissant leaf and pollen floras of Colorado compared: Climatic implications. Proceedings of the Denver Museum of Nature and Science Series 4: 17–70.
  • Leopold EB, Manchester S, Meyer HW. 2008. Phytogeography of the late Eocene Florissant flora reconsidered. Paleontology of the upper Eocene Florissant Formation, Colorado. The Geological Society of America, Special Paper 435: 53–70.
  • LePage BA, Basinger JF. 1991. A new species of Larix (Pinaceae) from the early tertiary of Axel Heiberg Island, Arctic Canada. Review of Palaeobotany and Palynology 70: 89–111. doi:10.1016/0034-6667(91)90080-M.
  • Li TQ, Cao HJ, Kang MS, Zhang ZX, Zhao N, Zhang H. 2010. Pollen flora of China, woody plants by SEM. Bejing: Science Press.
  • Liu X, Manchester SR, Jin J. 2014. Alnus subgenus Alnus in the Eocene of western north America based on leaves, associated catkins, pollen, and fruits. American Journal of Botany 101: 1925–1943. doi:10.3732/ajb.1400228.
  • Liu Y-S, Basinger JF. 2000. Fossil Cathaya (Pinaceae) pollen from the Canadian High Arctic. International Journal of Plant Sciences 161: 829–847. doi:10.1086/ijps.2000.161.issue-5.
  • Liu YS, Zetter R, Ferguson DK. 1997. Fossil pollen grains of Cathaya (Pinaceae) in the Miocene of eastern China. Mededelingen Nederlands Intituut voor Toegepaste Geowetenschappen TNO 58: 93–100.
  • Lloyd KJ, Eberle JJ. 2008. A new talpid from the late Eocene of North America. Acta Palaeontologica Polonica 53: 539–543. doi:10.4202/app.2008.0311.
  • Lloyd KJ, Worley-Georg MP, Eberle JJ. 2008. The Chadronian mammalian fauna of the Florissant Formation, Florissant Fossil Beds National Monument, Colorado. Paleontology of the Upper Eocene Florissant Formation, Colorado. The Geological Society of America, Special Paper 435: 117–126.
  • Lu L, Wen J, Chen Z. 2012. A combined morphological and molecular phylogenetic analysis of Parthenocissus (Vitaceae) and taxonomic implications. Botanical Journal of the Linnean Society 168: 43–63. doi:10.1111/boj.2012.168.issue-1.
  • MacGinitie HD. 1953. Fossil plants of the Florissant beds, Colorado. Carnegie Institute of Washington Publication 599: 1–198.
  • Maciejewska I. 1997. Pollen morphology of the Polish species of the family Caprifoliaceae. Part 1. Acta Societatis Botanicorum Poloniae 66: 133–142. doi:10.5586/asbp.1997.017.
  • Manchester SR. 1986. Vegetative and reproductive morphology of an extinct plane tree (Platanaceae) from the Eocene of western North America. Botanical Gazette 147: 200–226. doi:10.1086/bg.1986.147.issue-2.
  • Manchester SR. 1987. The fossil history of the Juglandaceae. Monographs Systematic Botany 21: 1–137.
  • Manchester SR. 1989a. Attached reproductive and vegetative remains of the extinct American-European genus Cedrelospermum (Ulmaceae) from the Early Tertiary of Utah and Colorado. American Journal of Botany 76: 256–276. doi:10.2307/2444668.
  • Manchester SR. 1989b. Systematics and fossil history of the Ulmaceae. In: Crane PR, Blackmore S, eds. Evolution, systematics, and fossil history of the Hamamelidae, Vol. II: “Higher” Hamamelidae. Systematics Association Special Vol. 406: 221–252. Oxford: Clarendon Press.
  • Manchester SR. 1992. Flowers, fruits, and pollen of Florissantia, an extinct Malvalean genus from the Eocene and Oligocene of western North America. American Journal of Botany 79: 996–1008. doi:10.2307/2444909.
  • Manchester SR. 2001. Update on the megafossil flora of Florissant Colorado. Proceedings of the Denver Museum of Nature and Science Series 4: 137–161.
  • Manchester S, Chen I. 2006. Tetracentron fruits from the Miocene of western North America. International Journal of Plant Sciences 167: 601–605. doi:10.1086/ijps.2006.167.issue-3.
  • Manchester SR, Chen Z-D. 1998. A new genus of Coryloideae (Betulaceae) from the Paleocene of North America. International Journal of Plant Sciences 159: 522–532. doi:10.1086/ijps.1998.159.issue-3.
  • Manchester SR, Chen ZD, Lu AM, Uemura K. 2009. Eastern Asian endemic seed plant genera and their palaeogeographic history throughout the Northern Hemisphere. Journal of Systematics and Evolution 47: 1–42. doi:10.1111/j.1759-6831.2009.00001.x.
  • Manchester SR, Crane PR. 1983. Attached leaves, inflorescences, and fruits of Fagopsis, an extinct genus of fagaceous affinity from the Oligocene Florissant Flora of Colorado, U.S.A. American Journal of Botany 70: 1147–1164. doi:10.2307/2443285.
  • Manchester SR, O’Leary EL. 2010. Phylogenetic distribution and identification of fin-winged fruits. The Botanical Review 76: 1–82. doi:10.1007/s12229-010-9041-0.
  • Manchester SR, Pigg KB, Crane PR. 2004. Palaeocarpinus dakotensis sp. n. (Betulaceae: Coryloideae) and associated staminate catkins, pollen and leaves from the Paleocene of North Dakota. International Journal of Plant Sciences 165: 1135–1148. doi:10.1086/ijps.2004.165.issue-6.
  • Manchester SR, Zavada MS. 1987. Lygodium foliage with intact sorophores from the Eocene of Wyoming. Botanical Gazette 148: 392–399. doi:10.1086/bg.1987.148.issue-3.
  • Manos PS, Soltis PS, Soltis DE, Manchester SR, Oh S-H, Bell CD, Dilcher DL, Stone DE. 2007. Phylogeny of extant and fossil Juglandaceae inferred from the integration of molecular and morphological data sets. Systematic Biology 56: 412–430. doi:10.1080/10635150701408523.
  • Manos PS, Stone DE. 2001. Evolution, phylogeny, and systematics of the Juglandaceae. Annals of the Missouri Botanical Garden 88: 231–269. doi:10.2307/2666226.
  • Martin PS, Drew CM. 1970. Additional scanning electron photomicrographs of southwestern pollen grains. Journal of the Arizona Academy of Sciences 6: 140–161. doi:10.2307/40024863.
  • McClain AM, Manchester SR. 2001. Dipteronia (Sapindaceae) from the Tertiary of North America and implications for the phytogeographic history of the Aceroideae. American Journal of Botany 88: 1316–1325. doi:10.2307/3558343.
  • Meyer HW. 2003. The fossils of Florissant. Washington, London: Smithonian books.
  • Miyoshi N, Fujiki T, Kimura H. 2011. Pollen flora of Japan. Sapporo: Hokkaido University Press.
  • Morita Y, Fujiki T, Kataoka H, Miyoshi N. 1998. Identification of Ulmus and Zelkova pollen. Japanese Journal of Palynology 44: 11–18.
  • Morton CM, Kallunki JA. 1993. Pollen morphology of the subtribe Cuspariinae (Rutaceae). Brittonia 45: 286–314. doi:10.2307/2807604.
  • Müller K, Borsch T. 2005. Multiple origins of a unique pollen feature: Stellate pore ornamentation in Amaranthaceae. Grana 44: 266–282. doi:10.1080/00173130500477787.
  • Nagamasu H. 1989. Pollen morphology of Japanese Symplocos (Symplocaceae). The Botanical Magazine, Tokyo 102: 149–164. doi:10.1007/BF02488560.
  • Naggar SME. 2004. Pollen morphology of Egyptian Malvaceae: An assessment of taxonomic value. Turkish Journal of Botany 28: 227–240.
  • Nakagawa T, Garfì G, Reille M, Verlaque R. 1998. Pollen morphology of Zelkova sicula (Ulmaceae), a recently discovered relic species of the European Tertiary flora: Description, chromosomal relevance, and palaeobotanical significance. Review of Palaeobotany and Palynology 100: 27–37. doi:10.1016/S0034-6667(97)00062-6.
  • Nichols DJ. 1973. North American and European species of Momipites (“Engelhardtia”) and related genera. Geoscience and man 7: 103–117. doi:10.1080/00721395.1973.9989740.
  • Nilsson S, Robyns A. 1986. Bombacaceae Kunth. World Pollen and Spore Flora 14: 1–59.
  • Nowicke JW. 1975. Pollen morphplogy in the order Centrospermae. Grana 15: 51–77.
  • Nowicke JW. 1994. Pollen morphology and exine ultrastructure. In: Behnke H-D, Mabry TJ, eds. Caryophyllales – Evolution and systematics, 167–221. Berlin, Heidelberg: Springer-Verlag.
  • Nowicke JW, Patel V, Skvarla JJ. 1985. Pollen morphology and the relationships of Aetoxylon, Amyxa, and Gonystylus to the Thymelaeaceae. American Journal of Botany 72: 1106–1113. doi:10.2307/2443456.
  • Olvera HF, Fuentes-Soriano S, Hernández EM. 2006. Pollen morphology and systematics of Atripliceae (Chenopodiaceae). Grana 45: 175–194. doi:10.1080/00173130600873935.
  • Page JS. 1978. A scanning electron microscope of grass pollen. Kew Bulletin 32: 313–319.
  • Perveen A, Grafström E, El-Ghazaly GW. 2004. World Pollen and Spore Flora 23. Malvaceae Adams. P.p. Subfamilies: Grewioideae, Tilioideae, Brownlowioideae. Grana 43: 129–155. doi:10.1080/00173130410000730.
  • Perveen A, Qaiser M. 2007. Pollen flora of Pakistan – LV: Caprifoliaceae. Pakistanian Journal of Botany 39: 1393–1401.
  • Pigg KB, Dillhoff RM, DeVore ML, Wehr WC. 2007. New diversity among the Trochodendraceae from the early/middle Eocene Okanogan Highlands of British Columbia, Canada and northeastern Washington State, United States. International Journal of Plant Sciences 168: 521–532. doi:10.1086/509535.
  • Pocknall DT, Crosbie YM. 1988. Pollen morphology of Beauprea (Proteaceae): Modern and fossil. Review of Palaeobotany and Palynology 53: 305–327. doi:10.1016/0034-6667(88)90037-1.
  • Poole MM, Hunt DR. 1980. Pollen morphology and the taxonomy of the commelinaceae: An exploratory survey: American Commelinaceae: VIII. Kew Bulletin 34: 639–660. doi:10.2307/4119061.
  • Praglowski J. 1984. Fagaceae Dumort: Castaneoideae Oerst. World Pollen and Spore Flora 13: 1–21.
  • Praglowski J, Nowicke JW, Raven PH, Skvarla JJ, Wagner WL. 1987. Onagraceae Jussieu; Hauyeae Raimann pro parte. World Pollen and Spore Flora 15: 1–55.
  • Praglowski J, Nowicke JW, Raven PH, Skvarla JJ, Hoch PC. 1988. Onagraceae Juss. Onagreae R. Raimann pro parte, Lopezieae Spach. World Pollen and Spore Flora 16: 1–35.
  • Praglowski J, Nowicke JW, Skvarla JJ, Hoch PC, Raven PH, Takahashi M. 1994. Onagraceae Jussieu; Circaeae DC, Hauyeae Raiman, Epilobieae Spach. World Pollen and Spore Flora 19: 1–40.
  • Praglowski J, Skvarla JJ, Raven PH, Nowicke JW. 1983. Onagraceae Jussieu; Onagrae R., Fuchsieae L., Jussiaeae L. World Pollen and Spore Flora 12: 1–41.
  • Punt W. 1975. The northwest European pollen flora, 5: Sparganiaceae and Typhaceae. Review of Palaeobotany and Palynology 19: 75–88. doi:10.1016/0034-6667(75)90060-3.
  • Punt W, Bos JAA, Hoen PP. 1991. The northwest European pollen flora, 45: Oleaceae. Review of Palaeobotany and Palynology 69: 23–47. doi:10.1016/0034-6667(91)90065-B.
  • Punt W, Hoen PP. 2009. The Northwest European pollen flora 70: Asteraceae – Asteroideae. Review of Palaeobotany and Palynology 157: 22–183. doi:10.1016/j.revpalbo.2008.12.003.
  • Punt W, Hoen PP, Blackmore S, Nilsson S, Thomas AL. 2007. Glossary of pollen and spore terminology. Review of Palaeobotany and Palynology 143: 1–81. doi:10.1016/j.revpalbo.2006.06.008.
  • Punt W, Reitsma TJ, Reuvers AAML. 1974. The northwest European pollen flora, 2: Caprifoliaceae. Review of Palaeobotany and Palynology 17: 5–29. doi:10.1016/0034-6667(74)90036-0.
  • Renault-Miskovsky J, Girard M, Trouin M. 1976. Observations de quelques pollens d’Oléacées au microscope électronique à balayage. Bulletin de l’Association française pour l’Étude’ du Quarternaire 13: 71–86. doi:10.3406/quate.1976.1278.
  • Roubick DW, Moreno JE. 1991. Pollen and spores of Barro Colorado Island. Monographs in systematic botany. St. Louis: Missouri Botanical Garden Press.
  • Sahashi N. 1997. Pollen morphology of Ginkgo biloba. In: Hori T, Ridge RW, Tulecke W, Del Tredici P, Trémouillaux-Guiller J, Tobe H, eds. Ginkgo biloba, a global treasure – from biology to medicine, 17–28. Tokyo, Berlin, Heidelberg: Springer.
  • Salmaki Y, Jamzad Z, Zarre S, Bräuchler C. 2008. Pollen morphology of Stachys (Lamiaceae) in Iran and its systematic implication. Flora - Morphology, Distribution, Functional Ecology of Plants 203: 627–639. doi:10.1016/j.flora.2007.10.005.
  • Sam S, Halbritter H. 2013. Ambrosia artemisiifolia. In: PalDat (2013-03-22) – a palynological database. https://www.paldat.org/pub/Ambrosia_artemisiifolia/214443; accessed 13 July 2015.
  • Santos-Silva J, Simon MF, Goulart De Azevedo Tozzi AM. 2013. Pollen diversity and its phylogenetic implications in Mimosa ser. Leiocatpae Benth. (Leguminosae, Mimosoideae). Grana 52: 15–25. doi:10.1080/00173134.2012.745898.
  • Sauquet H, Cantrill DJ. 2007. Pollen diversity and evolution in Proteoideae (Proteales: Proteaceae). Systematic Botany 32: 271–316. doi:10.1600/036364407781179743.
  • Sawara AKMG. 2007. Pollen morphology and its systematic significance in the Ericaceae. PhD Thesis, Hokkaido University, Sapporo, Japan.
  • Schirarend C, Köhler E. 1993. Rhamnaceae Jussieu. World Pollen and Spore Flora 17/18: 1–53.
  • Schneider H, Halbritter H, Tweraser E. 2005. Sambucus ebulus. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Sambucus_ebulus/112285; accessed 13 July 2015.
  • Sharma BD. 1970. Contribution to the pollen morphology and plant taxonomy of the Bombacaceae. Proceedings of the Indian National Science Academy 36: 175–191.
  • Sittler C, Schuler M, Caratini C, Chateauneuf JJ, Gruas-Cavagnetto C, Jardine S, Ollivier F, Roche E, Tissot C. 1975. Extension stratigraphique, répartition géographique et écologie de deux genres polliniques paléoènes observés en Europe occidentale: Aglaoreideidia et Boehlensipollis. Bulletin de la Société Botanique de France 122: 231–245. doi:10.1080/00378941.1975.10835657.
  • Sivak J. 1973. Obsevations nouvelles sur les grains de pollen de Tsuga. Pollen et Spores 15: 398–457.
  • Skvarla JJ, Raven PH, Chissoe F, Sharp M. 1978. An ultrastructural study of viscin threads in Onagraceae pollen. Pollen et Spores 20: 5–143.
  • Solomon AM, King JE, Martin PS, Thomas J. 1973. Further scanning electron photomicrographs of southwestern pollen grains. Journal of the Arizona Academy of Science 8: 135–157. doi:10.2307/40021778.
  • Sorsa P. 1971. Pollen morphological study of the genus Hippophae L., including the new taxa recognized by A. Rousi. Annales Botanici Fennici 8: 228–236.
  • Stafford PJ. 1995. The northwest European pollen flora, 53: Ulmaceae. Review of Palaeobotany and Palynology 88: 25–46. doi:10.1016/0034-6667(95)98770-8.
  • Steeves MW, Barghoorn ES. 1959. The pollen of Ephedra. Journal of the Arnold Arboretum 40: 221–255.
  • Stevens PF. 2001 +. Angiosperm Phylogeny Website. Version 13, February 2015. HTTP://www.mobot.org/MOBOT/research/APweb/; accessed 13 July 2015.
  • Stockey RA, Hoffman GL, Rothwell GW. 1997. The fossil monocot Limnobiophyllum scutatum: Resolving the phylogeny of Lemnaceae. American Journal of Botany 84: 355–368. doi:10.2307/2446009.
  • Stone DE. 1993. Juglandaceae. In: Kubitzki K, Rohwer JG, Bittrich V, eds. The families and genera of vascular plants. II. Flowering plants: Dicotyledons, magnoliid, hamamelid and caryophyllid families, 338–359. Berlin: Springer.
  • Stone DE, Broome CR. 1975. Juglandaceae A. Richard ex Kunth. World Pollen and Spore Flora 4: 1–35.
  • Stuchlik L, Ziembińska-Tworzydło M, Kohlman-Adamska A, Grabowska I, Słodkowska B, Ważyńska H, Sadowska A. 2009. Atlas of pollen and spores of the Polish Neogene. Volume 3. Angiosperms (1). W. Kraków: W. Szafer Institute of Botany, Polish Academy of Science.
  • Stuchlik L, Ziembińska-Tworzydło M, Kohlman-Adamska A, Grabowska I, Słodkowska B, Worobiec E, Durska E. 2014. Atlas of pollen and spores of the Polish Neogene. Volume 4. Angiosperms (2). Kraków: W. Szafer Institute of Botany, Polish Academy of Science.
  • Stuchlik L, Ziembińska-Tworzydło M, Kohlman-Adamska A, Grabowska I, Ważyńska H, Sadowska A. 2002. Atlas of pollen and spores of the Polish Neogene. Volume 2. Gymnosperms. Kraków: W. Szafer Institute of Botany, Polish Academy of Science.
  • Svojtka M, Halbritter H. 2005. Oenothera glazioviana. In: PalDat (2005-06-01) – a palynological database. https://www.paldat.org/pub/Oenothera_glazioviana/110121; accessed 13 July 2015.
  • Takahashi M. 1997. Palynological approaches to the origin and early diversification of Angiosperms. In: Iwatsuki K, Raven PH, eds. Evolution and diversification of land plants. Tokyo, Berlin, Heidelberg: Springer.
  • Takahashi M. 1989. Pollen morphology of Celtidaceae and Ulmaceae: A reinvestigation. In: Crane PR, Blackmore S, eds. Evolution, systematics, and fossil history of the Hamamelidae, Vol. Il: “Higher” Hamamelidae. Systematics Association Special Vol. 406: 253–265. Oxford: Clarendon Press.
  • Takahashi M, Nowicke JW, Webster GL, Orli SS, Yankowski S. 2000. Pollen morphology, exine structure, and systematics of Acalyphoideae (Euphorbiaceae), part 3, Tribes Epiprineae (Epiprinus, Symphyllia, Adenochlaena, Cleidiocarpon, Koilodepas, Cladogynos, Cephalocrotonopsis, Cephalocroton, Cephalomappa), Adelieae (Adelia, Crotonogynopsis, Enriquebeltrania, Lasiocroton, Leucocroton), Alchorneae (Orfilea, Alchornea, Coelebogyne, Aparisthmium, Bocquillonia, Conceveiba, Gavarretia), Acalypheae pro parte (Ricinus, Adriana, Mercurialis, Leidesia, Dysopsis, Wetria, Cleidion, Sampantaea, Macaranga). Review of Palaeobotany and Palynology 110: 1–66.
  • Tamas M, Pop C, Martian A, Barbu-Tudoran L. 2009. Morphological research on indigenous Sambucus species pollen. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 37: 65–69.
  • Taylor DW. 1989. Select palynomorphs from the Middle Eocene Claiborne Formation, Tenn. (U.S.A.). Review of Palaeobotany and Palynology 58: 111–128. doi:10.1016/0034-6667(89)90080-8.
  • Thanikaimoni G, Roland F, Ferguson IK, Cerceau MT, Derouet L. 1984. Menispermacées: Palynologie et systématique. Travaux de la Section Scientifique et Technique. Puducherry: Institut Française de Pondichéry.
  • Tian X, Jin QJ, Li DZ, Wei ZX, Xu TZ. 2001. Pollen morphology of Aceraceae and its systemtic implication. Acta Botanica Yunnanica 23: 457–465.
  • Toderich KN, Shuyskaya EV, Ozturk M, Juylova A, Gismatulina L. 2010. Pollen morphology of some Asiatic species of genus Salsola (Chenopodiaceae) and its taxonomic relationships. Pakistanian Journal of Botany (Special issue, Ali Festschrift) 42: 155–174.
  • Trudel CMG, Morton JK. 1992. Pollen morphology and taxonomy in North American Labiatae. Canadian Journal of Botany 70: 975–995. doi:10.1139/b92-122.
  • Tsukada M. 1964. Pollen morphology and identification III. Modern and fossil tropical pollen with emphasis on Bombacaceae. Pollen et Spores 6: 393–462.
  • Tyron AF, Lugardon B. 1991. Spores of the Pteridophyta – Surface, wall structure and diversity based on electron microscope studies. New York, Berlin, Heidelberg: Springer.
  • Van Campo M. 1951. Recherches sur la phylogénie des Taxodiacées d’après leurs grains de pollen. Travaux du Laboratoire Forestier de Toulouse, Tome II 4: 1–14.
  • Van Campo M, Nilsson S, Leeuwenberg AJM. 1979. Palynotaxonomic studies in Tabernaemontana L. sensu lato (Apocynaceae). Grana 18: 5–14. doi:10.1080/00173137909428865.
  • Van der Ham RWJM. 1990. Nephelieae pollen (Sapindaceae): Form, function, and evolution. Leiden: Rijksherbarium/Hortus Botanicus.
  • Van der Weide JC, Van der Ham RWJM. 2012. Pollen and phylogeny of the tribe Tabernaemontaneae (Apocynaceae, subfamily Rauvolfioideae). Taxon 61: 131–145.
  • Wang CW. 1961. The forests of China. With a survey of grassland and desert vegetation. Cambridge, MA: Publication of the Maria Moors Cabot Foundation, Botanical Research 5, Harvard University.
  • Wingate FH, Nichols DJ. 2001. Palynology of the uppermost Eocene lacustrine deposits at Florissant Fossil Beds National Monument, Colorado. Proceedings of the Denver Museum of Nature and Science Series 4: 71–135.
  • Wheeler EA. 2001. Fossil dicotyledonous woods from Florissant Fossil Beds National Monument, Colorado. Proceedings of the Denver Museum of Nature and Science Series 4: 187–203.
  • Wobus RA, Epis RC. 1978. Geologic map of the Florissant fifteen minute quadrangle, Park and Teller Counties, Colorado. United States Geological Survey Map: 1–1044.
  • Wolfe JA, Tanai T. 1987. Systematics, phylogeny, and distribution of Acer (maples) in the Cenozoic of western North America. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy 22: 1–246.
  • Wortley AH, Blackmore S, Chissoe WF, Skvarla JJ. 2012. Recent advances in Compositae (Asteraceae) palynology, with emphasis on previously unstudied and unplaced taxa. Grana 51: 158–179. doi:10.1080/00173134.2012.668219.
  • Wu ZY, Raven PH, Hong DY, eds. 2003. Flora of China. Vol. 9 (Pittosporaceae through Connaraceae). Beijing: Science Press. St. Louis: Missouri Botanical Garden Press.
  • Xin YQ, Zhang YL, Xi YZ. 1993. Studies on the pollen morphology of the genus Ulmus L. in China and its taxonomic significance. Acta Botanica Sinica 35: 91–95.
  • Zavada M. 1983. Pollen morphology of Ulmaceae. Grana 22: 23–30. doi:10.1080/00173138309429910.
  • Zavada MS, Dilcher DL. 1986. Comparative pollen morphology and its relationship to phylogeny of pollen in the Hamamelidae. Annals of the Missouri Botanical Garden 73: 348–381. doi:10.2307/2399117.
  • Zetter R. 1989. Methodik und Bedeutung einer routinemäßigen kombinierten lichtmikroskopischen und rasterelektronenmikroskopischen Untersuchung fossiler Mikrofloren. Courier Forschungs-Institut Senckenberg 109: 41–50.
  • Zetter R, Farabee MJ, Pigg KB, Manchester SR, DeVore M, Nowak MD. 2011. Palynoflora of the late Paleocene silicified shale at Almont, North Dakota, USA. Palynology 35: 179–211. doi:10.1080/01916122.2010.501164.
  • Zhang Y-L, Wang F-H, Chien N-F. 1988. A study on pollen morphology of Eucommia ulmoides Oliver. Acta Phytotaxonomica Sinica 26: 367–370.
  • Zhao DP, Bai XL, Wang LH. 2011. Observations of spore morphology of some hepatic species (Marchantiophyta) in China. Arctoa 20: 205–210. doi:10.15298/arctoa.20.16.

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