Prof. Dr. Regine Claßen-Bockhoff

Universitätsprofessorin (i.R.)

Veröffentlichungen

Aktuelle Arbeiten (ab 2020)

Blütenstände und Reproduktionssysteme

Bruniaceae

Blüten

Lamiaceae | Salvia

Marantaceae

Pflanzenmorphologie

Weitere Themen

Claßen-Bockhoff R. 2023.
Die Pflanze. Morphologie, Entwicklung
und Evolution von Vielfalt.
Springer, Heidelberg. –
Erscheint voraussichtlich
Sommer 2023

Aktuelle Arbeiten (ab 2020)

Eingereicht

Cairampoma L,Tello JA, Martel C, Ayasse M, Claßen-Bockhoff R. When subtle means substantial: Pollinator specificity in sympatric species of Andean Salvia. Flora

Silló N, Claßen-Bockhoff R. Humming diversity: Exploring the multitude of bee pollinators in a phenotypic specialist Flora

El Ottra JHL, Toni JFG, Thaowetsuwan P, Dos Santos P, Jeiter J, Ronse de Craene L, Bull-Hereñu K, Claβen-Bockhoff R. Pollen transfer within flowers: how pollen is secondarily presented. International Journal of Plant Sciences

Surina B, Balant M, Glasnović P, Gogala A, Fišer Ž, Satovic Z, Liber Z, Radosavljević I,

Classen-Bockhoff R. Lack of pollinators selects for increased selfing, restricted gene flow and resource allocation in the rare Mediterranean sage Salvia brachyodon. Scientific Reports

Baczyński J, Claßen-Bockhoff R. Pseudanthia in angiosperms: a review. Annals of Botany

Claßen-Bockhoff R, Celep F, Ajani Y, Frenken,L, Reuther K, Doğan M. Dark-centered umbels in Apiaceae: diversity, development, and evolution. Annals of Botany

2023

125 Kraehmer, H., Bonsels-Klein, K., & Claßen-Bockhoff, R. 2023. Rhizome architecture, development and vascularization in the water lily Nymphaea alba. Annals of Botany, mcad049. https://doi.org/10.1093/aob/mcad049

124 Kriebel R, Drew BT, Claßen-Bockhoff R, Sytsma KJ. Evolution of connective teeth in sages (Salvia, Lamiaceae) under pressure by bee and hummingbird pollinators. Flora 2987(2023) 152199.

123 Xiao H-W, Liu Q-S, Huang Y-B, Ma Y-P, R Claßen-Bockhoff R, Tian R-N, Wei Y-K. Effective hawkmoth pollination in bee-pollinated Salvia daiguiii. Plant Species Biology 2022;1–9. Baczyński J, Celep F, Spalik K, Claßen-Bockhoff R. Flower-like meristem conditions and spatial constraints shape architecture of floral pseudanthia in Apioideae. EvoDevo (2022) 13:19 https://doi.org/10.1186/s13227-022-00204-6122_Baczyński J, Celep F, Spalik K, Claßen-Bockhoff R. Flower-like meristem conditions and spatial constraints shape architecture of floral pseudanthia in Apioideae. EvoDevo (2022) 13:19 https://doi.org/10.1186/s13227-022-00204-6

121 Ajani Y, Jamzad Z, Claβen-Bockhoff R. 2022. Floral biology in the endemic Iranian Salvia majdae - implications for taxonomy, character evolution and conservation. Flora 287 (2022) 151986

120 Naghiloo S, Nikzat-Siahkolaee S, Esmaillou Z, ClaßenBockhoff R. 2021. Pollination efficiency and pollen limitation in bistaminate vs tetrastaminate Lamiaceae. Plant Species Biology, 1–12. https://doi. org/10.1111/1442-1984.12357

119 Claßen-Bockhoff, R., Ronse De Craene, LPR., Becker A., eds. 2021. From meristems to floral diversity: developmental options and constraints. Frontiers Media SA. doi: 10.3389/978-2-88966-827-4

118 Claßen-Bockhoff R, Ronse De Craene LPR, Becker A. 2021. Editorial: From meristems to floral diversity: developmental options and constraints. Frontiers in Ecology and Evolution.9:637954. doi:10.3389/fevo.2021.637954

117 Ajani Y, Claßen-Bockhoff R. 2021. The unique inflorescence structure of Dorema aucheri (Apiaceae): an adaptation to the arid environment. Journal of Arid Environments. 184 (2021) 104194

116 Krähmer H, Hesse L., Krüger F, Speck T, Claßen-Bockhoff R. 2021. Vascular bundle modifications in nodes and internodes of selected African Marantaceae species. Botanical Journal of the Linnean Society 195: 308–326.

115 Claßen-Bockhoff, R, Franke D, Krähmer H. 2021. Early ontogeny defines the diversification of vascular bundle systems in angiosperms. Botanical Journal of the Linnean Society 195: 281–307

114 Chinga J, Pérez F, Claßen-Bockhoff R. 2021. The role of heterochrony in Schizanthus flower evolution- a quantitative analysis. Perspectives in Plant Ecology, Evolution and Systematics 49 (2021) 125591

113 Celep F, Atalay Z, Dikmen F, Doğan M, Sytsma KJ, Claßen-Bockhoff R. 2020. Pollination ecology, specialization, and genetic isolation in sympatric bee pollinated Salvia (Lamiaceae). International Journal Plant Sciences 181:800–811

112 Wester P, Cairampoma L, Haag S, Schramme J, Neumeyer C, Claßen-Bockhoff R. 2020. Bee exclusion in bird-pollinated Salvia flowers – the role of flower colour versus flower construction. International Journal Plant Sciences 181: 770–786

111 Cairampoma L, Tello JA, Claßen-Bockhoff R2020. Pollination in the desert – adaptation to bees and birds in Salvia rhombifolia. International Journal Plant Sciences 181:857–870

110 Naghiloo S, Claßen-Bockhoff R. 2020. A combination of dichogamy and herkogamy mediates reproductive success in the desert shrub Zygophyllum fabago. Journal of Arid Environment 182 (2020) 104279

109 Claßen-Bockoff R, Frankenhäuser H. 2020. The `male flower´ of Ricinus communis (Euphorbiaceae) interpreted as a multi-flowered unit. Frontiers in Cell and Developmental Biology 8:313. doi: 10.3389/fcell.2020.00313.

Bütenstände und Reproduktionssysteme

Bruniaceae

Ajani Y, Claßen-Bockhoff R. 2018. Ethnobotanical Interviews on Dorema aucheri Boiss. (Apiaceae), a medicinal species in southern Iran. International Journal of Environmental Sciences and Natural Resources 12. DOI: 10.19080/IJESNR.2018.12.555827.

Ajani Y, Claßen-Bockhoff R. 2019. Reproductive ecology in Seseli ghafoorianum (Apiaceae) restricted to rocky cliffs in Iran. Turkish Journal Botany 43: 343-357

Ajani Y, Claßen-Bockhoff R. 2021. The unique inflorescence structure of Dorema aucheri (Apiaceae): an adaptation to the arid environment. Journal of Arid Environments. 184 (2021) 104194

Baczyński J, Celep F, Spalik K, Claßen-Bockhoff R. Flower-like meristem conditions and spatial constraints shape architecture of floral pseudanthia in Apioideae. EvoDevo (2022) 13:19 https://doi.org/10.1186/s13227-022-00204-6

Bull-Hereñu K, Claßen-Bockhoff R. 2010. Developmental conditions for terminal flower production in apioid umbellets. Pant Diversity and Evolution 128: 221-232

Bull-Hereñu K, Claßen-Bockhoff R. 2011a. Open and closed inflorescences: more than simple opposites. Journal of Experimental Botany 62: 79-88

Bull-Hereñu K., Claßen-Bockhoff R. 2011b. Ontogenetic course and spatial constraints in the appearance and disappearance of the terminal flower in inflorescences. International Journal of Plant Science 172: 471-498

Bull-Hereñu K, Claßen-Bockhoff R. 2013. Testing the ontogenetic base for the transient model of inflorescence development. Annals of Botany 112: 1543-1551

Claßen R. 1984. Untersuchungen zur Struktur und Phylogenie von Pseudanthien unter besonderer Berücksichtigung ihrer Analogie zu zoophilen Einzelblüten. Dissertation, Rheinisch-Westfälische Technische Hochschule Aachen.

Claßen R. 1986. Organisation und Funktion der blumenbildenden Hochblatthüllen bei Symphoremoideae (Verbenaceae). Beiträge zur Biologie der Pflanzen 60: 383-402

Claßen R. 1987. Morphological adaptations for bird pollination in Nicolaia elatior (Jack) Horan (Zingiberaceae). Garden Bulletin Singapore 40: 37-43

Claßen R. 1988. Beiträge zur Kenntnis der Gattung Lasiopetalum SM. (Sterculiaceae). Botanische Jahrbücher für Systematik 109: 501-527

Claßen-Bockhoff R. 1990. Pattern analysis is in pseudanthia. Plant Systematics and Evolution 171: 57-88

Claßen-Bockhoff R. 1991. Anthodien, Pseudanthien, Infloreszenzblumen. Beiträge zur Biologie der Pflanzen 66: 221-240

Claßen-Bockhoff R. 1992a. (Prä-)Disposition, Variation und Bewährung am Beispiel der Infloreszenzblumenbildung. Mitteilungen des hamburgischen zoologischen Museums und Instituts 89, Ergänzungsband 1: 37-72

Claßen-Bockhoff R. 1992b. Florale Differenzierung in komplex organisierten Asteraceenköpfen. Flora 186: 1-22

Claßen-Bockhoff R. 1996a. A survey of flower-like inflorescences in the Rubiaceae. Opera Botanica 7: 329-367

Claßen-Bockhoff R. 1996b. Functional units beyond the level of the capitulum and cypsela in Compositae. In Caligari PDS. & Hind DJN. (eds.). Compositae: Biology & Utilization. Proc. Intern. Compositae Conference, Kew, 1994, Vol. 2: 129-160. Royal Botanic Gardens Kew.

Claßen-Bockhoff R., Armstrong JA., Ohligschläger M. 1991. The inflorescences of the Australian genera Diplolaena R. Br. and Chorilaena Endl. (Rutaceae). Australian Journal of Botany 39: 31-42

Claßen-Bockhoff R, Arndt M. 2018. Flower-like heads from flower-like meristems: pseudnathium development in Davidia involucrata (Nyssaceae). Journal of Plant Research. 131: 443-458. doi.org/10.1007/s10265-018-1029-6

Claßen-Bockhoff R., Bull-Hereñu K. 2013. Towards an ontogenetic understanding of inflorescence diversity. Annals of Botany 112: 1523-1542

Claßen-Bockoff R, Frankenhäuser H. 2020. The `male flower´ of Ricinus communis (Euphorbiaceae) interpreted as a multi-flowered unit. Frontiers in Cell and Developmental Biology 8:313.doi: 10.3389/fcell.2020.00313.

Claßen-Bockhoff R., Froebe HA., Langerbeins D. 1989: Die Infloreszenzstruktur von Gundelia tournefortii L. (Asteraceae). Flora 182: 463-479

Claßen-Bockhoff R., Ruonali R, Bull-Hereñu K, Marchant N, Albert AV. 2013. The unique pseudanthium of Actinodium (Myrtaceae) - morphological reinvestigation and possible regulation by CYCLOIDEA-like genes. EvoDevo 2013 4:8. http://doi.acm.org/10.1145/2897824.2925982

Kirchoff B, Claßen-Bockhoff R. 2013. Inflorescences: concepts, function, development and evolution. Annals of Botany 112: 1471-1476

Naghiloo S, Claßen-Bockhoff R. 2017. Understanding the uinique flowering sequence in Dipsacum fullonum: Evidence from geometrical changes during head development. PLoS ONE 12 (3): e0174091. https://doi.org/10.1371/journal.pone.0174091

Owens A, Cieslak M, Claßen-Bockhoff R., Prusinkiewicz P. 2016. Modeling dense inflorescenc es. ACM Trans. Graph. 35,4, Article 136.

Reuther K, Claßen-Bockhoff R. 2010. Diversity behind uniformity - Inflorescence architecture and flowering sequence in Apiaceae-Apioideae. Pant Diversity and Evolution 128: 181-220

Reuther K., Claßen-Bockhoff R. 2013. Andromonoecy and developmental plasticity in Chaerophyllum bulbosum (Apiaceae-Apioideae). Annals of Botany 112: 1495-1503

Schardt L, Claßen-Bockhoff R. 2013. Blütenökologische Untersuchungen an Euphorbia palustris und Euphorbia helioscopia. Mainzer Naturwissenschaftliches Archiv 50: 211-232

Bruniaceae

Claßen-Bockhoff R. 1994. Verzweigungsverhalten und Infloreszenzstruktur der Bruniaceen: systematische, morphologische und phylogenetische Schlußfolgerungen. Habilitationsschrift, Rheinisch-Westfälische Technische Hochschule Aachen.

Claßen-Bockhoff R. 1995. Wuchsverhalten und Infloreszenzstruktur in der Gattung Nebelia (Bruniaceae). Feddes Repertorium 106: 415-437

Claßen-Bockhoff R. 2000. Inflorescences in Bruniaceae. Opera Botanica Belgica 12: 5-310

Claßen-Bockhoff R. 2016. Bruniaceae. In Kubitzky K. (ed.), The Families and Genera of Vascular Pants. Vol. 14. Kadereit JW, Bittrich V (eds), Flowering Plants. Eudicots: 103-115. Springer. Heidelberg, Berlin.

Claßen-Bockhoff R., Oliver EGH, Hall AV, Quint M. 2011. New classification of the Bruniaceae based on molecular and morphological data. Taxon 60: 1138-1155

Oliver EGH., Hall AV, Claßen-Bockhoff R. 2010. Two new species of Bruniaceae from Western Cape, South Africa. Bothalia 40: 96-101

Quint M., Claßen-Bockhoff R. 2006a: Floral ontogeny, petal diversity and nectary uniformity in Bruniaceae. Botanical Journal of the Linnean Society 150: 459-477

Quint M, Claßen-Bockhoff R. 2006b Phylogeny of Bruniaceae based on matK and ITS sequence data. International Journal of Plant Science 167: 135-146

Quint M, Claßen-Bockhoff R. 2008 Ancient or recent? New insights on the age of the Bruniaceae and the evolution of the Cape Flora. Organisms, Diversity and Evolution 8: 293-304

Warren B, Bakker FT, Bellstedt DU, Bytebier B, Claßen-Bockhoff R, Dreyer LL, Edwards D, Forest F, Galley C, Hardy CR, Linder HP, Muasya AM, Mummenhoff K, Oberlander KC, Quint M, Richardson JE, Savolainen V, Schrire BD, van der Niet T, Verboom GA, Yesson C, Hawkins JA. 2011: Consistent phonological shifts in the making of a biodiversity hotspot: the Cape flora. BMC Evolutionary Biology. http://www.biomedcentral.com/1471-2148/11/39

Blüten

Lamiaceae

Marantaceae

Ajani Y, Bull-Hereñu K, Claßen-Bockhoff R. 2016. Patterns of flower development in Apiaceae-Apioideae. Flora 221: 38-45

Bogacheva-Milkoteva K, Kazuharova E, Claßen-Bockhoff R. 2013. Breeding systems of Haberlea rhodopensis (Gesneriaceae), a tertiary relict endemic to the Balkan Peninsula. Phytologia Balcanica 19: 201-288

Bogacheva-Milkoteva K, Kazuharova E, Claßen-Bockhoff R, Gogala A. 2013. Pollination ecology of Haberlea rhdodpensis Friv. (Gesneriaceae), a tertiary relict endemic to the Balkan peninsula. Comptes rendus de l’Académie bulgare des Sciences 66: 14271436

Bull-Hereñu K, Ronse De Craene L, Claßen-Bockhoff R. 2010. The FLO-RE-S network for contemporary studies in flower structure and biology. Flora 221: 1-3

Chinga J, Pérez F, Claßen-Bockhoff R. 2021. The role of heterochrony in Schiz anthus flower evolution - a quantitative analysis. Perspectives in Plant Ecology, Evolution and Systematics 49 (2021) 125591

Claßen-Bockhoff R. 2016. The shoot concept of the flower: still up to date? Flora 221: 46-53

Claßen-Bockhoff R, Meyer C. 2016. Space matters - meristem expansion triggers corona formation in Passiflora. Annals of Botany 117: 277-290

Claßen-Bockhoff R., Ronse De Craene LPR., Becker A, eds. 2021. From meristems to floral diversity: Developmental options and constraints. Frontiers Media SA. doi: 10.3389/978-2-88966-827-4

Claßen-Bockhoff R, Ronse De Craene LPR, Becker A. 2021. Editorial: From meristems to floral diversity: developmental options and constraints. Frontiers in Ecology and Evolution.9:637954. doi:10.3389/fevo.2021.637954

Magin N, Claßen R, Gack C. 1989. The morphology of false anthers in Craterostigma plantaginea and Torenia polygonoides (Scrophulariaceae). Canadian Journal of Botany 67: 1931-1937

Naghiloo S, Bellstedt D, Claßen-Bockhoff R. 2018. Nectar protection in arid-adapted flowers of Zygophyllaceae-Zygophylloideae. Perspectives in Plant Ecology, Evolution and Systematics 34: 37-50

Naghiloo S, Bellstedt DU, Claßen-Bockhoff R. 2019a. The plasticity of breeding system in arid-adapted Zygophylloideae. Journal of Arid Environments 162 (2019) 1–9

Naghiloo S, Bellstedt DU, Claßen-Bockhoff R. 2019b. Pollination biology in Roepera (Zygophyllaceae): How flower structure and shape influence foraging activity. Plant Species Biology 2019;1–9. https://doi.org/10. 1111/1442-1984.12262

Naghiloo S, Claßen-Bockhoff R. 2016a. Developmental analysis of merosity and sexual morphs in Rubiaceae: A case study in Rubia and Cruciata. Flora 222: 52-59

Naghiloo S, Claßen-Bockhoff R. 2016b. Gradual inhibition of staminate structures results in various degrees of male sterility in Knautia arvensis. International Journal pf Plant Science 177: 608-617

Naghiloo S, Claßen-Bockhoff R. 2017. Developmental changes in time and space promote evolutionary diversification of flowers, a case study in Dipsacoideae. Frontiers in Plant Science 8:1665. Doi: 10.3389/fpls.2017.01665.

Naghiloo SClaßen-Bockhoff R. 2020. A combination of dichogamy and herkogamy mediates reproductive success in the desert shrub Zygophyllum fabago. Journal of Arid Environment 182 (2020) 104279.

Naghiloo S, Fathollahi MR, Classen-Bockhoff R. 2015. Flower ontogeny in Capparis spinosa (Capparaceae) with special emphasis on symmetry expression. Nordic Journal Botany 33: 754-760

Lamiaceae | Salvia

Ajani Y, Jamzad Z, Claβen-Bockhoff R. 2022. Floral biology in the endemic Iranian Salvia majdae - implications for taxonomy, character evolution and conservation. Flora 287 (2022) 151986.

Cairampoma L, Martel C, Claßen-Bockhoff R. 2015. Proposal to conserve the name Salvia cruikshanksii with that spelling (Lamiaceae). Taxon 64: 850-851

Cairampoma L, Tello JA, Claßen-Bockhoff R. 2020. Pollination in the desert – adaptation to bees and birds in Salvia rhombifolia. International Journal Plant Sciences 181:857–870.

Celep F, Atalay Z, Dikmen F, Dogan M, Claßen-Bockhoff R. 2014. Fly pollination in bee-pollinated Salvia species (Lamiaceae) from Central Anatolia. American Journal of Botany.

Celep F, Atalay Z, Dikmen F, Doğan M, Sytsma KJ, Claßen-Bockhoff R. 2020. Pollination ecology, specialization, and genetic isolation in sympatric bee pollinated Salvia (Lamiaceae). International Journal Plant Sciences 181:800–811

Claßen-Bockhoff R. 2007. Floral construction and pollination biology in the Lamiaceae. Annals of Botany 100: 359-360

Claßen-Bockhoff R. 2009a. Anpassung - Isolation - Artbildung: Evolution beim Salbei. NATUR & GEIST 25: 68-71

Claßen-Bockhoff R. 2009b: Pollination biology in Lamiaceae – new insights from Salvia L. In Do Nascimento Moura, C.W., Dos Santoas Silva, T.R., Giuilietti-Harley, A. M., Silva, A. M., Ribeiro dos Santos, F. Botânica Brasileira: Futuro e Compromissos. State University of Bahia (UNEB), Salvador.

Claßen-Bockhoff R. 2017. Stamen construction, development and evolution in Salvia s.l. Natural Volatiles & Essential Oils 4: 28-48

Claßen-Bockhoff R, Crone M, Baikova E. 2004. Stamen development in Salvia L.: homology reinvestigated. International Journal of Plant Science 165: 475-498

Claßen-Bockhoff R. Speck T. 2000. Diversity and evolution in Salvia - Presentation of a new research project. Vitex 1: 3-4

Claßen-Bockhoff R, Speck T, Tweraser E, Wester P, Thimm S, Reith M. 2004. The staminal lever mechanism in Salvia L. (Lamiaceae): a key innovation for adaptive radiation? Organisms, Diversity & Evolution 4: 189-205.

Claßen-Bockhoff R, Wester P, Tweraser E. 2003. The staminal lever arm mechanism in Salvia - a review. Plant Biology 5: 33-41

Kriebel R, Drew BT, Claßen-Bockhoff R, Sytsma KJ. Evolution of connective teeth in sages (Salvia, Lamiaceae) under pressure by bee and hummingbird pollinators. Flora 298 (2023) 152199.

Naghiloo S, Nikzat-Siahkolaee S, Esmaillou Z, Claßen- Bockhoff R. 2021. Pollination efficiency and pollen limitation in bistaminate vs tetrastaminate Lamiaceae. Plant Species Biology, 1–12. https://doi. org/10.1111/1442-1984.12357

Ott D, Hühn P, Claßen-Bockhoff R. 2016. Salvia apiana – A carpenter bee flower? Flora 221: 82-91.

Reith M., Baumann G., Claßen-Bockhoff R., Speck T. 2007. New insights in the functional morphology of the lever mechanism of Salvia pratensis. Annals of Botany 100: 393-400

Reith M., Claßen-Bockhoff R., Speck T. 2006: Biomechanics of Salvia flowers, the role of lever and flower-tube in specialization on pollinators. In Herrel, A., Speck, T., Rowe, N.P. (eds.) Ecology and Biomechanics. A mechanical approach to the ecology of animals and plants:123-145. Boca Raton, FL: Taylor & Francis

Speck T, Claßen-Bockhoff R. 2000: Biomechanik und Funktionsmorphologie der Staubblätter von insektenblütigen und vogelblütigen Salvia-Arten. Biona-Report 14: 153-157

Speck T, Rowe N, Civeyrel L, Claßen-Bockhoff R., Neinhuis C., Spatz H.-C. 2003. The potential of plant biomechanics in functional biology and systematics. In Stuessy TF, Hörandl EB., Mayer V. (eds.): Deep Morphology: Toward a renaissance of morpholpgy in plant systematics: 241-271. Koeltz, Koenigstein

Stöbbe J, Schramme J, Claßen-Bockhoff R. 2016. Trainig experiments with Bombus terrestris and Apis mellifera on artificial `Salvia´ flowers. Flora 221: 92-99

Wester P, Cairampoma L, Haag S, Schramme J, Neumeyer C, Claßen-Bockhoff R. 2020. Bee exclusion in bird-pollinated Salvia flowers – the role of flower colour versus flower construction. International Journal Plant Sciences 181:770–786. → Salvia

Wester P, Claßen-Bockhoff R. 2005: Hummingbird pollination in Salvia haenkei Benth. (Lamiaceae) lacking the „typical” lever mechanism. Plant Systematics and Evolution 257: 133-146

Wester P, Claßen-Bockhoff R. 2006. Bird pollination in South African Salvia species. Flora 201: 396-406

Wester P, Claßen-Bockhoff R. 2007. Floral diversity and pollen transfer in bird-pollinated Salvia species. Annals of Botany 100: 401-421

Wester P, Claßen-Bockhoff R. 2011. Pollination syndromes of New World Salvia species with special reference to bird pollination. Ann. Missouri Bot. Gard. 98: 101-155

Wester P, Jaarsveld E. van, Claßen-Bockhoff R. 2006: Bird pollination in South African Sages. Veld & Flora 92: 196-197

Westerkamp C, Claßen-Bockhoff R. 2007. Bilabiate flowers - the ultimate response to bees? Annals of Botany 100: 361-374

Will M, Claßen-Bockhoff R. 2014. Why Africa matters: evolution of Old World Salvia (Lamiaceaea) in Africa. Annals of Botany 114: 61-83

Will M, Claßen-Bockhoff R. 2017. Time to split Salvia s.l. (Lamiaceae) – molecular data demand taxonomic consequences. Molecular Phylogeny and Evolution 109: 33-58.

Will M, Schmalz N, Claßen-Bockhoff R. 2015. Towards a new classification of Salvia s.l.: (re)establishing the genus Pleudia Raf. Turkish Journal of Botany 39: 693-707

Zhang B, Claßen-Bockhoff R. 2019. Sex-differential reproduction success and selection on floral traits in gynodioecious Salvia pratensis. BMC Plant Biology (2019) 19: 375. doi.org/10.1186/s12870-019-1972-y

Zhang B, Claßen-Bockhoff R, Zhang Z-Q, Sun S, Luo Y-J, Li Q-J. 2011. Functional implications of lever-like stamens and floral complexity for pollination and female reproduction success in Salvia cyclostegia (Labiaceae). Annals of Botany 107: 621-628

Marantaceae

Claßen-Bockhoff R. 1991. Untersuchungen zur Konstruktion des Bestäubungsapparates von Thalia geniculata L. (Marantaceae). Botanica Acta 104: 183-193

Claßen-Bockhoff R, Heller A. 2008a. Floral synorganisation and secondary pollen presentation in four Marantaceae from Costa Rica. International Journal of Plant Sciences 169: 745-760

Claßen-Bockhoff R, Heller A. 2008b. Style release experiments in four species of Marantaceae from the Golfo Dulce area, Costa Rica. Stapfia 88: 557-571

Claßen-Bockhoff R, Pischtschan E. 2000. The explosive style in Marantaceae - preliminary results from anatomic studies. In Spatz HC. & Speck T. (eds.): Plant Biomechanics 2000: 515-521. Stuttgart: Thieme.

Dworaczek E, Claßen-Bockhoff R. 2016. `False resupination´ in the flower-pairs of Thalia L. (Marantaceae). Flora 221: 65-74

Jerominek M, Claßen-Bockhoff R. 2015. Electrical Signals in Prayer Plants (Marantaceae)? Insights into the Trigger Mechanism of the Explosive Style Movement. PLoS ONE 10(5): e0126411. doi:10.1371/journal.pone.0126411

Jerominek M, Will M, Claßen-Bockhoff R. 2018. Insights into the inside - a quantitative histological study of the explosive moving style in Marantaceae. Front. Plant Sci. doi.org/10.3389/flps.2018.01695

Krähmer H, Hesse L., Krüger F, Speck T, Claßen-Bockhoff R. 2021. Vascular bundle modifications in nodes and internodes of selected African Marantaceae species. Botanical Journal of the Linnean Society 195: 308–326.

Ley A, Claßen-Bockhoff R. 2009. Pollination syndromes in African Marantaceae. Annals of Botany 104: 41-56

Ley A, Claßen-Bockhoff R. 2010. Parallel evolution in plant pollinator interaction in African Marantaceae. In van der Burgh, X., van der Maesen, J., Onana, J.M. (eds.), Systematics and Conservation of African Plants: 847-854. Royal Botanic Gardens, Kew

Ley A, Claßen-Bockhoff R. 2011a. Evolution in African Marantaceae - Evidence from phylogenetic, ecological and morphological studies. Systematic Botany 36:277-290

Ley A, Claßen-Bockhoff R. 2011b. Ontogenetic and phylogenetic diversification in Marantaceae - a review. In Wanntorp, L., Ronse de Craene, L. (eds.) Flowers on the Tree of Life: 236-255. Cambridge University Press

Ley A, Claßen-Bockhoff R. 2012a. Floral synorganization and its influence on mechanical isolation and autogamy in Marantaceae. Botanical Journal of the Linnean Society 168: 300-322

Ley A, Claßen-Bockhoff R. 2012b. Five new species of African Marantaceae from Gabon. Adansonia, sér. 3, 34: 37-52

Ley A, Claßen-Bockhoff R. 2013. Breeding system and fruit set in African Marantaceae. Flora 208: 532-537

Pischtschan E, Claßen-Bockhoff R. 2008. Setting-up tension in the style of Marantaceae. Plant Biology 10: 441-450

Pischtschan E, Claßen-Bockhoff R. 2010. Anatomic insights into the thigmonastic style tissue in Marantaceae. Plant Systematics and Evolution 286: 91-102

Pischtschan E, Ley A, Claßen-Bockhoff R. 2010: Ontogenetic and phylogenetic diversification of the hooded staminode in Marantaceae. Taxon 59: 1111-1125

Pflanzenmorphologie

Claßen-Bockhoff R. 1991. Anthodien, Pseudanthien, Infloreszenzblumen. Beiträge zur Biologie der Pflanzen 66: 221-240

Claßen-Bockhoff R. 2001a. Plant morphology: the historic concepts of Wilhelm Troll, Walter Zimmermann and Agnes Arber. Annals of Botany 88: 1153-1172

Claßen-Bockhoff R. 2001b. Vom Umgang mit der Vielfalt - eine kurze Geschichte der Pflanzenmorphologie. Wulfenia 8: 125-144

Claßen-Bockhoff R. 2005. Aspekte, Typifikationsverfahren und Aussagen der Pflanzenmorphologie. In Harlan, V. (ed.) Wert und Grenzen des Typus in der botanischen Morphologie: 31-52. Nümbrecht: Galunder

Claßen-Bockhoff, R, Franke D, Krähmer H. 2021. Early ontogeny defines the diversification of vascular bundle systems in angiosperms. Botanical Journal of the Linnean Society 195: 281–307

Froebe HA., Claßen-Bockhoff R. 1994. Das trialektische Typuskonzept der botanischen Morphologie. In Gutmann WF, Mollenhauer D & Peters S (eds.): Morphologie & Evolution: 143-167. Senckenberg-Buch 70. Kramer: Frankfurt a.M.

Kraehmer, H., Bonsels-Klein, K., & Claßen-Bockhoff, R. 2023. Rhizome architecture, development and vascularization in the water lily Nymphaea alba. Annals of Botany, mcad049. https://doi.org/10.1093/aob/mcad049

Ochoterena H, Vrijdaghs A, Smets E, Claßen-Bockhoff, R. 2019. The search for common origin: homology revisited. Systematic Biology. doi/10.1093/sysbio/syz013/5364027

Weitere Themen

Brandstetter AM, Claßen-Bockhoff R, Damm H, Dorsch H, Franz A, Schäfer C, Fürst S, Haupt P, Schäfer D, Grimm KI, Hofmeister W,  Obstoi NM, Meisig M, Sauer T, Schollmeyer P. 2018. Objekte in Lehre und Forschung. In Hierholzer V (Hrsg.). Wertsachen. Die Sammlungen der Johannes-Gutenberg-Universität Mainz: 210-239. V&R unipress, Göttingen.

Bull-Hereñu K, Ronse de Craene L, Classen-Bockhoff R, Iwamoto A, Leite El Ottra JH, dos Santos P, Ginefra Toni JF, Thaowetsuwan P, Chinga J, Naulin PI. 2018. Curso intensivo de morfología floral de la red FLO-RE-S en la Reserva Nacional Río Clarillo.  Revista del Jardín Botánico Cjagual 16: 70-74.

Claßen-Bockhoff R, 2017. Stefan Vogel (1925-2015). Reflections on his work and life. Arthropod-Plant Interactions 11: 249-255

Claßen R, Dettner K. 1983: Pygidial defensive titer and population structure of Agabus bipustulatus L. and A. paludosus F. (Coleoptera, Dytiscidae). Journ. Chem. Ecol. 9: 201-209.

Dettner K, Hübner M., Claßen R. 1986. Age, structure, phenology and prey of some rheophilous Dytiscidae (Coleoptera). Ent. Basiliensis 11: 343-370.

Eberwein R, Claßen-Bockhoff R, Leute GH. 2001. Univ.-Prof. Dr. Hans Albrecht Froebe zum 70. Geburtstag. Wulfenia 8: 1-4