| Pollen flora of Argentina. V Markgraf, HL D'Antoni | 614 | 1978 |
| Morfología de las esporas de las Pteridophyta presentes en la región Fuego-Patagónica, República Argentina MA Morbelli Universidad Nacional de La Plata, 1976 | 81 | 1976 |
| Megaspore development in Selaginella. I. “Wicks”, their presence, ultrastructure, and presumed function MA Morbelli, JR Rowley Sexual Plant Reproduction 6, 98-107, 1993 | 38 | 1993 |
| Spore morphology of the Polypodiaceae from Northwestern Argentina GE Giudice, MA Morbelli, MR Piñeiro, M Copello, G Erra American Fern Journal 94 (1), 9-27, 2004 | 35 | 2004 |
| Megaspore wall in Lycophyta-ultrastructure and function MA Morbelli Review of Palaeobotany and Palynology 85 (1-2), 1-12, 1995 | 33 | 1995 |
| Palynological analysis of Cheilanthes Species (Adiantaceae-Pteridophyta) of Northwestern Argentina MA Morbelli, IG Michelena Grana 28 (4), 295-304, 1989 | 28 | 1989 |
| Spore morphology and wall ultrastructure of Blechnum L. species from North West Argentina JPR Giacosa, MA Morbelli, GE Giudice Review of Palaeobotany and Palynology 156 (1-2), 185-197, 2009 | 23 | 2009 |
| Megaspore development inSelaginella The gap and the mesospore MA Morbelli, JR Rowley Plant Systematics and Evolution 217, 221-243, 1999 | 23 | 1999 |
| Spore wall structure in Selaginella (Lycophyta) species growing in Argentina MA Morbelli, JR Rowley, D Claugher Bol. Soc. Argent. Bot 36 (3-4), 315-368, 2001 | 22 | 2001 |
| Morphology and ultrastructure of megaspores and microspores of Isoetes savatieri Franchet (Lycophyta) CC Macluf, MA Morbelli, GE Giudice Review of Palaeobotany and Palynology 126 (3-4), 197-209, 2003 | 21 | 2003 |
| Esporas de las especies argentinas de Selaginella (Selaginellaceae-Pteridophyta). Obra del Centenario del Museo de La Plara, Secc. MA Morbelli Botanica, 1-36, 1977 | 21 | 1977 |
| Spore morphology and wall ultrastructure of Anemia Swartz species (Anemiaceae) from Argentina JPR Giacosa, MA Morbelli, GE Giudice Review of Palaeobotany and Palynology 174, 27-38, 2012 | 20 | 2012 |
| Spore wall ultrastructure of Polypodiaceae from north-western Argentina MA Morbelli, GE Giudice Grana 49 (3), 204-214, 2010 | 20 | 2010 |
| The spores of Pteris cretica complex (Pteridaceae-Pteridophyta) in America OG Martínez, MA Morbelli Grana 48 (3), 193-204, 2009 | 20 | 2009 |
| Megaspore wall growth in Selaginella (Lycopodiatae) JR Rowley, MA Morbelli Plant Systematics and Evolution 194, 133-162, 1995 | 20 | 1995 |
| ANALISIS PALINOLOGICO EN HIBRIDOS INTERESPECIFICOS DEL GENERO BLECHNUM L., SUBGENERO BLECHNUM (BLECHNACEAE-PTERIDOPHYTA) MA Morbelli | 20 | 1974 |
| Connective structures between tapetal cells and spores in Lycophyta and pollen grains in angiosperms—a review JR Rowley, MA Morbelli Review of Palaeobotany and Palynology 156 (1-2), 157-164, 2009 | 19 | 2009 |
| Contribución a la identificación de esporas del Reino Fungi en la atmósfera de La Plata, Argentina DS Nitiu, AC Mallo, MC Gardella Sambeth, MA Morbelli Boletín de la Sociedad Argentina de Botánica 45 (3-4), 301-308, 2010 | 18 | 2010 |
| Microspore morphology ofIsoetes species (Lycophyta) from southern South America CC Macluf, MA Morbelli, GE Giudice The Botanical Review 72 (2), 121-134, 2006 | 18* | 2006 |
| Morphology and ultrastructure of the spores of Dennstaedtiaceae from North West Argentina GE Giudice, MA Morbelli, CC Macluf, M Hernández, A Ruiz Review of Palaeobotany and Palynology 141 (3-4), 245-257, 2006 | 17 | 2006 |
