| A phylogenetic evaluation of the Ramalina americana chemotype complex (lichenized Ascomycota, Ramalinaceae) based on rDNA ITS sequence data S LaGreca Bryologist, 602-618, 1999 | 68 | 1999 |
| The ‘Mediterranean’ Ramalina Panizzei North of the alps: Morphological, Chemical and rDNA Sequence Data U Groner, S LaGreca The Lichenologist 29 (5), 441-454, 1997 | 51 | 1997 |
| Three Species of Lecanora New to North America, With Notes on Other Poorly Known Lecanoroid Lichens S LaGreca, HT Lumbsch The Bryologist 104 (2), 204-211, 2001 | 39 | 2001 |
| Molecular phylogeny of Diploschistes inferred from ITS sequence data MP Martı́n, S LaGRECA, HT Lumbsch The Lichenologist 35 (1), 27-32, 2003 | 34 | 2003 |
| Distribution and ecology of Lecanora conizaeoides (Lecanoraceae) in eastern Massachusetts S LaGreca, BW Stutzman The Bryologist 109 (3), 335-347, 2006 | 30 | 2006 |
| Angiactis, a new crustose lichen genus in the Roccellaceae, with species from Bermuda, the Galápagos Islands and Australia A Aptroot, LB Sparrius, S LaGreca, F Bungartz The Bryologist 111 (3), 510-516, 2008 | 24 | 2008 |
| Lecanorales: Ramalinaceae, including the genera Bacidia, Bacidina, Bellicidia, Biatora, Bibbya, Bilimbia, Cliostomum, Kiliasia, Lecania, Megalaria, Mycobilimbia, Phyllopsora … P Cannon, S Ekman, S Kistenich, S LaGreca, C Printzen, E Timdal, ... [" Revisions of British and Irish Lichens"] 11, 2021 | 22 | 2021 |
| The lichens and bryophytes of the Boston Harbor Islands S Lagreca, E Lay, D Greene, E Kneiper, M Lincoln Northeastern Naturalist 12 (sp3), 77-98, 2005 | 20 | 2005 |
| Contributions to the lichen flora of Bermuda—Part I. New records, new combinations, and interesting collections of lichenized ascomycetes F Berger, S LaGreca Evansia 31 (2), 41-68, 2014 | 18 | 2014 |
| Taxonomic investigations of Lecanora strobilina and L. symmicta (Lecanoraceae, Lecanorales) in northeastern North America S LaGreca, HT Lumbsch The Bryologist 116 (3), 287-295, 2013 | 18 | 2013 |
| A molecular phylogenetic evaluation of the Ramalina siliquosa complex, with notes on species circumscription and relationships within Ramalina S LaGreca, HT Lumbsch, M Kukwa, X Wei, JE Han, KH Moon, ... The Lichenologist 52 (3), 197-211, 2020 | 13 | 2020 |
| Trivaric acid, a new tridepside in the Ramalina americana chemotype complex (lichenized Ascomycota: Ramalinaceae) CF Culberson, S LaGreca, A Johnson, WL Culberson Bryologist, 595-601, 1999 | 13 | 1999 |
| Lichens from Tanzania and Kenya III: Macrolichens and calicioid lichens V Alstrup, A Aptroot, PK Divakar, S LaGreca, L Tibell Cryptogamie Mycologie 31 (3), 333-351, 2010 | 10 | 2010 |
| No evidence from rDNA ITS sequence data for a placement of Ramalinora in the Ramalinaceae S Lagreca, HT Lumbsch The Lichenologist 33 (2), 172-176, 2001 | 10 | 2001 |
| Plectania seaveri (Ascomycota, Pezizales), a new discomycete from Bermuda M Carbone, C Agnello, S LaGreca Mycotaxon 120 (1), 317-329, 2012 | 8 | 2012 |
| Lecanora subtecta, an Australian species in the Lecanora symmicta group (Lecanorales) G Kantvilas, S LaGreca Muelleria 26 (2), 72-76, 2008 | 8 | 2008 |
| The phylogenetic position of the Candelariaceae (Lecanorales) inferred from anatomical and molecular data S LaGRECA, HT Lumbsch Bibliotheca Lichenologica 78, 211-222, 2001 | 8 | 2001 |
| Biatora akompsa is revealed as a disjunct North American species of Pentagenella (Opegraphaceae) through molecular phylogenetic analysis and phenotype-based binning GB Perlmutter, ER Plata, S LaGreca, A Aptroot, R Lücking, A Tehler, ... The Bryologist 123 (3), 502-516, 2020 | 7 | 2020 |
| Notes on the chemistry of Maronea constans and Maronea polyphaea (Fuscideaceae) S LaGreca The Lichenologist 38 (6), 595-598, 2006 | 5 | 2006 |
| The integration of lichenized and nonlichenized ascomycetes in molecular systematics JW Spatafora, F Lutzoni, D Armaleo, B Mahoney, S LaGreca, J Johnson, ... Fifth International Mycological Congress, Vancouver, 1995 | 5 | 1995 |
