| Illustrated handbook of succulent plants: Aizoaceae FZ HEK Hartmann Springer Science & Business Media, 2002 | 194 | 2002 |
| Relativistic correction for analytic Hartree-Fock wave functions H Hartmann, E Clementi Physical Review 133 (5A), A1295, 1964 | 124 | 1964 |
| The Aizoaceae—a new approach V BITTRICH, HEK HARTMANN Botanical journal of the Linnean Society 97 (3), 239-254, 1988 | 120 | 1988 |
| Mesembs of the world G Smith (No Title), 1998 | 110 | 1998 |
| Mesembryanthema HEK Hartmann Contributions from the Bolus Herbarium 13, 75-157, 1991 | 107 | 1991 |
| Monocotyledons U Eggli Springer, 2001 | 97 | 2001 |
| Aizoaceae HEK Hartmann Flowering Plants· Dicotyledons: Magnoliid, Hamamelid and Caryophyllid …, 1993 | 59 | 1993 |
| Fruit types in Mesembryanthema HEK Hartmann Beitr. Biol. Pflanzen 63 (3), 313-349, 1988 | 50 | 1988 |
| Leaf surfaces in Mesembryanthemaceae HD Ihlenfeldt, HEK Hartmann The plant cuticle 397, 243, 1982 | 50 | 1982 |
| Monographie der Gattung Argyroderma NE Br.(Mesembryanthemaceae Fenzl) H Hartmann Institut für Allgemeine Botanik, 1977 | 47 | 1977 |
| ALG1-CDG: a new case with early fatal outcome AK Rohlfing, S Rust, J Reunert, M Tirre, I Du Chesne, S Wemhoff, ... Gene 534 (2), 345-351, 2014 | 44 | 2014 |
| Phylogeny of Sesuvioideae (Aizoaceae)–Biogeography, leaf anatomy and the evolution of C4 photosynthesis K Bohley, O Joos, H Hartmann, R Sage, S Liede-Schumann, G Kadereit Perspectives in Plant Ecology, Evolution and Systematics 17 (2), 116-130, 2015 | 43 | 2015 |
| Die Gattung Harpagophytum (Burch.) DC. ex MEISSN.(Monographie der afrikanischen Pedaliaceae II) HD Ihlenfeldt, H Hartmann Mitt. Staatsinst. Allg. Bot. Hamburg 13, 15-69, 1970 | 39 | 1970 |
| New combinations in Ruschioideae, based on studies in Ruschia (Aizoaceae) HEK Hartmann Bradleya 16, 44-91, 1998 | 29 | 1998 |
| The capsules of Drosanthemum Schwantes (Ruschioideae, Aizoaceae) C Bruckmann Bradleya 2000 (18), 75-112, 2000 | 27 | 2000 |
| DD 53,075, 1967; Chem. Abstr. 1967, 67, 33841; H. Hartmann, R. Mayer H Hartmann Z. Chem 6, 28, 1966 | 27 | 1966 |
| Miscellaneous taxonomic notes on Aizoaceae HEK Hartmann Bradleya 1996 (14), 29-56, 1996 | 26 | 1996 |
| Untersuchungen zum Merkmalsbestand und zur Taxonomie der Subtribus Leipoldtiinae (Mesembryanthemaceae) HEK Hartmann Schweizerbart, 1983 | 26 | 1983 |
| Monographien der Leipoldtiinae HEK Hartmann, S Rust | 22 | 1987 |
| New combinations in Antimima (Ruschioideae, Aizoaceae) from southern Africa HEK Hartmann Bothalia 28 (1), 67-82, 1998 | 21 | 1998 |
S. Liede-SchumannProfessor of Botany, University of BayreuthVerifisert e-postadresse på uni-bayreuth.de