1 First genome size assessments for Marshallia and Balduina (Asteraceae, Helenieae) reveal 2 significant cytotype diversity 3 Teresa Garnatje1a, Jaume Pellicer1,2*a, Joan Vallès3, Nathan Hall4, Curtis Hansen4, Leslie Goertzen4 4 1Institut Botànic de Barcelona (IBB, CSIC-Ajuntament de Barcelona). Passeig del Migdia s.n. 5 08038 Barcelona, Catalonia, Spain. 6 2Comparative Plant and Fungal Biology Department. Jodrell Laboratory, Royal Botanic Gardens, 7 Kew, Richmond, TW9 3AB, United Kingdom. 8 3Laboratori de Botànica - Unitat associada al CSIC. Facultat de Farmàcia i Ciències de 9 l’Alimentació, Institut de Recerca de la Biodiversitat IRBio, Universitat de Barcelona. Av. Joan XXIII 10 27-31, 08028 Barcelona. 11 4Department of Biological Sciences and Auburn University Museum of Natural History, Auburn 12 University, Auburn, AL 36849, U.S.A. 13 *Correspondence:
[email protected] 14 aboth authors contributed equally 15 This article has been accepted for publication and undergone full peer review but has not 16 been through the copyediting, typesetting, pagination and proofreading process, which 17 may lead to differences between this version and the Version of Record. 18 Please cite this article as: 19 Teresa Garnatje, Jaume Pellicer, Joan Vallès, Nathan Hall, Curtis Hansen, Leslie Goertzen 20 (2021). First genome size assessments for Marshallia and Balduina (Asteraceae, Helenieae) 21 reveal significant cytotype diversity. Caryologia, Just Accepted. 22 23 ORCID Numbers (where available): 24 Teresa Garnatje: https://orcid.org/0000-0001-6295-6217 25 Jaume Pellicer: https://orcid.org/0000-0001-7632-9775 26 Joan Vallès: https://orcid.org/0000-0002-1309-3942 27 Nathan Hall: NA 28 Curtis Hansen: NA 29 Leslie Goertzen: NA 30 31 word count: 4,458 32 33 Abstract 34 The genus Marshallia is made up by seven to ten species of perennial herbs growing mainly in 35 open habitats, whereas the genus Balduina is represented by three sympatric species; two 36 perennial herbs and one annual, growing in open pine forest habitats.