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Lamborn, Ellen ; Cranmer, Louise ; Ollerton, Jeff ; Liede-Schumann, Sigrid ; Endress, Mary E ; Meve, Ulrich ; Rech, André Rodrigo ; Shuttleworth, Adam ; Johnson, Steven D ; Keller, Héctor A ; Fishbein, Mark ; González-Ramírez, Ixchel ; Alvarado-Cárdenas, Leonardo O ; Amorim, Felipe W ; Islas-Hernández, Sofia C ; Hachuy-Filho, Leandro ; Bernhardt, Peter ; Dvorsky, Courtney ; Celep, Ferhat ; Chirango, Yolanda ; Chiriboga-Arroyo, Fidel ; Civeyrel, Laure ; Cocucci, Andrea ; Marino, Salvador ; Koschnitzke, Cristiana ; da Silva-Batista, Inara Carolina ; de Jager, Linde ; Joubert, Lize ; Gaglianone, Maria Cristina ; Deprá, Mariana Scaramussa ; Domingos-Melo, Arthur ; Machado, Isabel Cristina ; Agostini, Kayna ; Freitas, Leandro ; Torres, Carolina ; Galetto, Leo ; Goyder, David ; Gilbert, Mike ; Gorostiague, Pablo ; Heiduk, Annemarie ; Howard, Aaron ; Ionta, Gretchen ; Koptur, Suzanne ; Kaiser-Bunbury, Christopher N ; Kephart, Susan ; Kidyoo, Aroonrat ; Mema, Lumi ; Livshultz, Tatyana ; Mochizuki, Ko ; Sakai, Shoko ; Morellato, Leonor Patrícia Cerdeira ; Mrisha, Chediel K ; Muiruri, Evalyne W ; Nakahama, Naoyuki ; Nascimento, Viviany Teixeira ; Nuttman, Clive ; Oliveira, Paulo Eugenio ; Peter, Craig I ; Punekar, Sachin ; Rafferty, Nicole ; Rapini, Alessandro ; Ren, Zong-Xin ; Rodríguez-Flores, Claudia I ; Rosero, Liliana ; Sazima, Marlies ; Steenhuisen, Sandy-Lynn ; Tan, Ching-Wen ; Trøjelsgaard, Kristian ; Ushimaru, Atushi ; Vieira, Milene Faria ; Wiemer, Ana Pía ; Yamashiro, Tadashi ; Nadia, Tarcila ; Queiroz, Joel ; Quirino, Zelma:
The diversity and evolution of pollination systems in large plant clades : Apocynaceae as a case study.
In: Annals of Botany. Vol. 123 (2019) Issue 2 . - pp. 311-325.
ISSN 1095-8290
DOI: https://doi.org/10.1093/aob/mcy127

Liede-Schumann, Sigrid ; Newton, Leonard E.:
Notes on the Delosperma-clade (Aizoaceae).
In: Haseltonia. Vol. 25 (2018) . - pp. 100-114.
ISSN 1070-0048

Liede-Schumann, Sigrid ; Meve, Ulrich:
Proposal to conserve the name Hoodia against Monothylaceum (Apocynaceae).
In: Taxon. Vol. 67 (2018) Issue 2 . - p. 446. - No. 2598.
ISSN 0040-0262
DOI: https://doi.org/10.12705/672.20

Meve, Ulrich ; Gâteblé, Gildas ; Liede-Schumann, Sigrid:
Two new species from the Ile des Pins (New Caledonia), and a not so new species from Grande Terre (New Caledonia).
In: Phytotaxa. Vol. 349 (2018) Issue 3 . - pp. 201-213.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.349.3.1

Liede-Schumann, Sigrid ; Meve, Ulrich:
Vincetoxicum (Apocynaceae—Asclepiadoideae) expanded to include Tylophora and allies.
In: Phytotaxa. Vol. 369 (2018) Issue 3 . - pp. 129-184.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.369.3.1

Ollerton, Jeff ; Dötterl, Stefan ; Ghorpadé, Kumar ; Heiduk, Annemarie ; Liede-Schumann, Sigrid ; Masinde, Siro ; Meve, Ulrich ; Peter, Craig I. ; Prieto-Benítez, Samuel ; Punekar, Sachin ; Thulin, Mats ; Whittington, Andrew:
Diversity of Diptera families that pollinate Ceropegia (Apocynaceae) trap flowers : An update in light of new data and phylogenetic analyses.
In: Flora : Morphology, Distribution, Functional Ecology of Plants. Vol. 234 (September 2017) . - pp. 233-244.
ISSN 0367-2530
DOI: https://doi.org/10.1016/j.flora.2017.07.013

Heiduk, Annemarie ; Brake, Irina ; von Tschirnhaus, Michael ; Haenni, Jean-Paul ; Miller, Raymond ; Hash, John ; Prieto-Benítez, Samuel ; Jürgens, Andreas ; Johnson, Steven D. ; Schulz, Stefan ; Liede-Schumann, Sigrid ; Meve, Ulrich ; Dötterl, Stefan:
Floral scent and pollinators of Ceropegia trap flowers.
In: Flora : Morphology, Distribution, Functional Ecology of Plants. Vol. 232 (July 2017) . - pp. 169-182.
ISSN 0367-2530
DOI: https://doi.org/10.1016/j.flora.2017.02.001

Keller, Héctor ; Liede-Schumann, Sigrid:
“The end of an enigma”, a new subtribe and nomenclatural novelties in Asclepiadeae (Apocynaceae: Asclepiadoideae).
In: Bonplandia. Vol. 26 (2017) Issue 2 . - pp. 133-136.
ISSN 1853-8460

Banag, Cecilia ; Mouly, Arnaud ; Alejandro, Grecebio J. ; Bremer, Birgitta ; Meve, Ulrich ; Grimm, Guido W. ; Liede-Schumann, Sigrid:
Ixora (Rubiaceae) on the Philippines-crossroad or cradle?
In: BMC Evolutionary Biology. Vol. 17 (2017) Issue 1 . - No. 131.
ISSN 1471-2148
DOI: https://doi.org/10.1186/s12862-017-0974-3

Chavez, Jayson G. ; Liede-Schumann, Sigrid ; Meve, Ulrich:
On the identity of the rubiaceous Timonius quadrasii (Guettardeae: Cinchonoideae) : its typification and transfer to Rothmannia (Gardenieae: Ixoroideae).
In: Webbia. Vol. 72 (2017) Issue 2 . - pp. 217-220.
ISSN 2169-4060
DOI: https://doi.org/10.1080/00837792.2017.1386399

Meve, Ulrich ; Heiduk, Annemarie ; Liede-Schumann, Sigrid:
Origin and early evolution of Ceropegieae (Apocynaceae-Asclepiadoideae).
In: Systematics and Biodiversity. Vol. 15 (2017) Issue 2 . - pp. 143-155.
ISSN 1478-0933
DOI: https://doi.org/10.1080/14772000.2016.1238019

Morales, Juan F. ; Endress, Mary E. ; Liede-Schumann, Sigrid:
Sex, drugs and pupusas : Disentangling relationships in Echiteae (Apocynaceae).
In: Taxon. Vol. 66 (2017) Issue 3 . - pp. 623-644.
ISSN 0040-0262
DOI: https://doi.org/10.12705/663.7

Morales, Juan F. ; Endress, Mary E. ; Liede-Schumann, Sigrid:
Systematics of Prestonia (Apocynaceae: Apocynoids: Echiteae) 80 years after Woodson.
In: Annals of the Missouri Botanical Garden. Vol. 102 (2017) Issue 3 . - pp. 520-541.
ISSN 0026-6493
DOI: https://doi.org/10.3417/D-17-00002A

Meve, Ulrich ; Gâteblé, Gildas ; Liede-Schumann, Sigrid:
Taxonomic novelties in Apocynaceae subfam : Asclepiadoideae from New Caledonia.
In: Adansonia. Vol. 39 (2017) Issue 1 . - pp. 55-70.
ISSN 1639-4798
DOI: https://doi.org/10.5252/a2017n1a5

Zemagho Mbouzang, Lise Arlette ; Liede-Schumann, Sigrid ; Lachenaud, Olivier ; Dessein, Steven ; Sonké, Bonaventure:
Taxonomic revision of Sabicea subgenus Anisophyllae (Ixoroideae, Rubiaceae) from Tropical Africa, with four new species.
In: Phytotaxa. Vol. 293 (2017) Issue 1 . - pp. 1-68.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.293.1.1

Meve, Ulrich ; Liede-Schumann, Sigrid:
Was ist Cynanchum L. (Apocynaceae-Asclepiadoideae)?
In: Avonia. Vol. 35 (2017) Issue 2 . - pp. 78-85.
ISSN 0863-0763

Liede-Schumann, Sigrid ; Khanum, Rizwana ; Mumtaz, Abdul S. ; Gherghel, Iulian ; Pahlevani, Amir Hossein:
Going west - A subtropical lineage (Vincetoxicum, Apocynaceae: Asclepiadoideae) expanding into Europe.
In: Molecular Phylogenetics and Evolution. Vol. 94 (January 2016) Issue 1 . - pp. 436-446.
ISSN 1055-7903
DOI: https://doi.org/10.1016/j.ympev.2015.09.021

Khanum, Rizwana ; Surveswaran, Siddharthan ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Cynanchum (Apocynaceae: Asclepiadoideae) : A pantropical Asclepiadoid genus revisited.
In: Taxon. Vol. 65 (2016) Issue 3 . - pp. 467-486.
ISSN 0040-0262
DOI: https://doi.org/10.12705/653.3

Morales, Juan F. ; Liede-Schumann, Sigrid:
The genus Prestonia (Apocynaceae) in Colombia.
In: Phytotaxa. Vol. 265 (2016) Issue 3 . - pp. 204-224.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.265.3.2

Pahlevani, Amir Hossein ; Feulner, Martin ; Weig, Alfons ; Liede-Schumann, Sigrid:
Molecular and morphological studies disentangle species complex in Euphorbia sect. Esula (Euphorbiaceae) from Iran, including two new species.
In: Plant Systematics and Evolution. Vol. 303 (2016) Issue 2 . - pp. 139-164.
ISSN 1615-6110
DOI: https://doi.org/10.1007/s00606-016-1358-7

Zemagho Mbouzang, Lise Arlette ; Liede-Schumann, Sigrid ; Sonké, Bonaventure ; Janssens, Steven ; Lachenaud, Olivier ; Verstraete, Brecht ; Dessein, Steven:
Phylogenetics of tribe Sabiceeae (Ixoroideae, Rubiaceae) revisited, with a new subgeneric classification for Sabicea.
In: Botanical Journal of the Linnean Society. Vol. 182 (2016) Issue 3 . - pp. 551-580.
ISSN 1095-8339
DOI: https://doi.org/10.1111/boj.12475

Mangelsdorff, Ralph D. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Phylogeny and circumscription of Antillean Anemotrochus, gen. nov., and Tylodontia (Apocynaceae: Asclepiadoideae: Gonolobinae).
In: Willdenowia. Vol. 46 (2016) Issue 3 . - pp. 443-474.
ISSN 1868-6397
DOI: https://doi.org/10.3372/wi.46.46311

Colegate, Steven M. ; Gardner, Dale R. ; Betz, Joseph M. ; Fischer, Ottmar W. ; Liede-Schumann, Sigrid ; Boppré, Michael:
Pro-toxic 1,2-Dehydropyrrolizidine Alkaloid Esters, including unprecedented 10-membered macrocyclic diesters, in the medicinally-used Alafia cf. caudata and Amphineurion marginatum (Apocynaceae: Apocynoideae: Nerieae and Apocyneae).
In: Phytochemical Analysis. Vol. 27 (2016) Issue 5 . - pp. 257-276.
ISSN 1099-1565
DOI: https://doi.org/10.1002/pca.2624

Alejandro, Grecebio J. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
A taxonomic revision of Philippine Mussaenda (Rubiaceae, Mussaendeae).
In: Annals of the Missouri Botanical Garden. Vol. 101 (2016) Issue 3 . - pp. 457-542.
ISSN 0026-6493
DOI: https://doi.org/10.3417/2010089

Banag, Cecilia ; Thrippleton, Timothy ; Alejandro, Grecebio J. ; Reineking, Björn ; Liede-Schumann, Sigrid:
Bioclimatic niches of selected endemic Ixora species on the Philippines : predicting habitat suitability due to climate change.
In: Plant Ecology. Vol. 216 (2015) Issue 9 . - pp. 1325-1340.
ISSN 1573-5052
DOI: https://doi.org/10.1007/s11258-015-0512-6

Bohley, Katharina ; Joos, Olga ; Hartmann, Heidrun E. K. ; Sage, Rowan F. ; Liede-Schumann, Sigrid ; Kadereit, Gudrun:
Phylogeny of Sesuvioideae (Aizoaceae) - biogeography, leaf anatomy and the evolution of C4 photosynthesis.
In: Perspectives in Plant Ecology, Evolution and Systematics. Vol. 17 (2015) Issue 2 . - pp. 116-130.
ISSN 1433-8319
DOI: https://doi.org/10.1016/j.ppees.2014.12.003

Bell, Charles D. ; Calderon, Gloria ; Gonzales, Lauren ; Scholz, Andrea ; Liede-Schumann, Sigrid:
Resolving relationships within Valerianaceae (Dipsacales): New insights and hypotheses from Low-Copy Nuclear Regions.
In: Systematic Botany. Vol. 40 (2015) Issue 1 . - pp. 327-335.
ISSN 1548-2324
DOI: https://doi.org/10.1600/036364415x686611

Pahlevani, Amir Hossein ; Liede-Schumann, Sigrid ; Akhani, Hossein:
Seed and capsule morphology of Iranian perennial species of Euphorbia (Euphorbiaceae) and its phylogenetic application.
In: Botanical Journal of the Linnean Society. Vol. 177 (2015) Issue 3 . - pp. 335-377.
ISSN 1095-8339
DOI: https://doi.org/10.1111/boj.12245

Liede-Schumann, Sigrid ; Meve, Ulrich:
Synonymy of three South American genera in Apocynaceae, and new combinations in Oxypetalum and Tassadia.
In: Phytotaxa. Vol. 202 (2015) Issue 1 . - pp. 35-44.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.202.1.4

Meve, Ulrich ; Liede-Schumann, Sigrid:
Taxonomy of the Andean genus Pentacyphus (Apocynaceae: Asclepiadeae–Pentacyphinae).
In: Plant Systematics and Evolution. Vol. 301 (2015) Issue 3 . - pp. 997-1004.
ISSN 0378-2697
DOI: https://doi.org/10.1007/s00606-014-1130-9

Banag, Cecilia ; Tandang, D. N. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Two new species of Ixora (Ixoroideae, Rubiaceae) endemic to the Philippines.
In: Phytotaxa. Vol. 202 (2015) Issue 2 . - pp. 155-160.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.202.2.8

Soares e Silva, Uiara Catharina ; Pinheiro Santos, Renata Gabrielle ; Rapini, Alessandro ; Liede-Schumann, Sigrid ; Fontella-Pereira, Jorge:
Monsanima tinguaensis (Apocynaceae), an enigmatic new species from Atlantic rainforest.
In: Phytotaxa. Vol. 173 (2014) Issue 3 . - pp. 196-206.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.173.3.2

Surveswaran, Siddharthan ; Sun, Mei ; Grimm, Guido W. ; Liede-Schumann, Sigrid:
On the systematic position of some Asian enigmatic genera of Asclepiadoideae (Apocynaceae).
In: Botanical Journal of the Linnean Society. Vol. 174 (2014) Issue 4 . - pp. 601-619.
ISSN 1095-8339
DOI: https://doi.org/10.1111/boj.12156

Liede-Schumann, Sigrid ; Nikolaus, Marc ; Soares e Silva, Uiara Catharina ; Rapini, Alessandro ; Mangelsdorff, Ralph D. ; Meve, Ulrich:
Phylogenetics and biogeography of the genus Metastelma (Apocynaceae-Asclepiadoideae-Asclepiadeae: Metastelmatinae).
In: Systematic Botany. Vol. 39 (2014) Issue 2 . - pp. 594-612.
ISSN 1548-2324
DOI: https://doi.org/10.1600/036364414X680708

Zemagho Mbouzang, Lise Arlette ; Lachenaud, Olivier ; Dessein, Steven ; Liede-Schumann, Sigrid ; Sonké, Bonaventure:
Two new Sabicea (Rubiaceae) species from West Central Africa : Sabicea bullata and Sabicea urniformis.
In: Phytotaxa. Vol. 173 (2014) Issue 4 . - pp. 285-292.
ISSN 1179-3155
DOI: https://doi.org/10.11646/phytotaxa.173.4.3

Endress, Mary E. ; Liede-Schumann, Sigrid ; Meve, Ulrich:
An updated classification for Apocynaceae.
In: Phytotaxa. Vol. 159 (2014) Issue 3 . - pp. 175-194.
ISSN 1179-3155

Feulner, Martin ; Liede-Schumann, Sigrid ; Meve, Ulrich ; Weig, Alfons ; Aas, Gregor:
Genetic structure of three Sorbus latifolia (Lam.) Pers. taxa endemic to northern Bavaria.
In: Plant Systematics and Evolution. Vol. 299 (2013) Issue 6 . - pp. 1065-1074.
ISSN 1615-6110
DOI: https://doi.org/10.1007/s00606-013-0778-x

Hartmann, Heidrun E. K. ; Liede-Schumann, Sigrid:
Knersia gen. nov., an emigrant from Drosanthemum (Ruschieae, Ruschioideae, Aizoaceae).
In: Bradleya. Vol. 31 (2013) . - pp. 116-127.
ISSN 0265-086x

Hartmann, Heidrun E. K. ; Liede-Schumann, Sigrid:
Molecular news from Drosanthemum.
In: Mesemb Study Group Bulletin. Vol. 28 (2013) Issue 2 . - pp. 26-27.
ISSN 0955-8276

Liede-Schumann, Sigrid ; Meve, Ulrich:
The Orthosiinae revisited (Apocynaceae, Asclepiadoideae, Asclepiadeae).
In: Annals of the Missouri Botanical Garden. Vol. 99 (2013) Issue 1 . - pp. 44-81.
ISSN 0026-6493
DOI: https://doi.org/10.3417/2010130

Liede-Schumann, Sigrid ; Dötterl, Stefan ; Gebauer, Margit ; Meve, Ulrich:
A RAPD study of the Sarcostemma group of Cynanchum (Apocynaceae-Asclepiadoideae-Asclepiadeae).
In: Organisms Diversity and Evolution. Vol. 13 (2013) Issue 1 . - pp. 15-31.
ISSN 1618-1077
DOI: https://doi.org/10.1007/s13127-012-0099-x

Thulin, Mats ; Thiede, Joachim ; Liede-Schumann, Sigrid:
Phylogeny and taxonomy of Tribulocarpus (Aizoaceae) : A paraphyletic species and an adaptive shift from zoochorous trample burrs to anemochorous nuts.
In: Taxon. Vol. 61 (2012) Issue 1 . - pp. 55-66.
ISSN 0040-0262

Soares e Silva, Uiara Catharina ; Rapini, Alessandro ; Liede-Schumann, Sigrid ; Ribeiro, Patrícia Luz ; van den Berg, Cassio:
Taxonomic considerations on Metastelmatinae (Apocynaceae) based on plastid and nuclear DNA.
In: Systematic Botany. Vol. 37 (2012) Issue 3 . - pp. 795-806.
ISSN 1548-2324
DOI: https://doi.org/10.1600/036364412X648733

Meve, Ulrich ; Liede-Schumann, Sigrid:
Taxonomic dissolution of Sarcostemma (Apocynaceae: Asclepiadoideae).
In: Kew Bulletin. Vol. 67 (2012) Issue 4 . - pp. 751-759.
ISSN 1874-933X
DOI: https://doi.org/10.1007/s12225-012-9384-2

Liede-Schumann, Sigrid ; Kong, Hanghui ; Meve, Ulrich ; Thiv, Mike:
Vincetoxicum and Tylophora (Apocynaceae: Asclepiadoideae: Asclepiadeae) – two sides of the same medal : Independent shifts from tropical to temperate habitats.
In: Taxon. Vol. 61 (2012) Issue 4 . - pp. 803-825.
ISSN 0040-0262

Alejandro, Grecebio J. ; Meve, Ulrich ; Mouly, Arnaud ; Thiv, Mike ; Liede-Schumann, Sigrid:
Molecular phylogeny and taxonomic revision of the Philippine endemic Villaria Rolfe (Rubiaceae).
In: Plant Systematics and Evolution. Vol. 296 (2011) Issue 1-2 . - pp. 1-20.
ISSN 0378-2697
DOI: https://doi.org/10.1007/s00606-011-0472-9

Hartmann, Heidrun E. K. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Towards a revision of Trianthema, the Cinderella of Aizoaceae.
In: Plant Ecology and Evolution. Vol. 144 (2011) Issue 2 . - pp. 177-213.
ISSN 2032-3921
DOI: https://doi.org/10.5091/plecevo.2011.512

Jürgens, Andreas ; Dötterl, Stefan ; Liede-Schumann, Sigrid ; Meve, Ulrich:
Floral scent composition in early diverging taxa of Asclepiadoideae, and Secamonoideae (Apocynaceae).
In: South African Journal of Botany. Vol. 76 (2010) Issue 4 . - pp. 749-761.
ISSN 0254-6299
DOI: https://doi.org/10.1016/j.sajb.2010.08.013

Alejandro, Grecebio J. ; Meve, Ulrich ; Uy, Millard ; Mouly, Arnaud ; Thiv, Mike ; Liede-Schumann, Sigrid:
Molecular support of the classification of Greeniopsis Merr. in Aleisanthieae (Rubiaceae), with a revision of the genus.
In: Taxon. Vol. 59 (2010) Issue 5 . - pp. 1547-1564.
ISSN 0040-0262

Soltau, Ulf ; Dötterl, Stefan ; Liede-Schumann, Sigrid:
Leaf variegation in Caladium steudneriifolium (Araceae) : a case of mimicry?
In: Evolutionary Ecology. Vol. 23 (2009) Issue 4 . - pp. 503-512.
ISSN 1573-8477
DOI: https://doi.org/10.1007/s10682-008-9248-2

Liede-Schumann, Sigrid ; Hartmann, Heidrun E. K.:
Mesembryanthemum - back to the roots?
In: Taxon. Vol. 58 (2009) Issue 2 . - pp. 345-346.
ISSN 0040-0262

Jürgens, Andreas ; Dötterl, Stefan ; Liede-Schumann, Sigrid ; Meve, Ulrich:
Chemical diversity of floral volatiles in Asclepiadoideae-Asclepiadeae (Apocynaceae).
In: Biochemical Systematics and Ecology. Vol. 36 (2008) Issue 11 . - pp. 842-852.
ISSN 1873-2925
DOI: https://doi.org/10.1016/j.bse.2008.10.005

Thulin, Mats ; Goyder, David J. ; Liede-Schumann, Sigrid:
Cibirhiza spiculata (Apocynaceae), a remarkable new species from eastern Ethiopia.
In: Kew Bulletin. Vol. 63 (2008) Issue 4 . - pp. 617-624.
ISSN 1874-933X
DOI: https://doi.org/10.1007/s12225-008-9060-8

Liede-Schumann, Sigrid ; Meve, Ulrich:
Nomenclatural novelties and one new species in Orthosia (Apocynaceae, Asclepiadoideae).
In: Novon. Vol. 18 (2008) Issue 2 . - pp. 202-210.
ISSN 1945-6174
DOI: https://doi.org/10.3417/2006150

Goyder, David J. ; Liede-Schumann, Sigrid:
Notes on Cynanchum and Pentarrhinum (Apocynaceae: Asclepiadoideae) in tropical Africa.
In: Kew Bulletin. Vol. 63 (2008) Issue 3 . - pp. 463-466.
ISSN 1874-933X
DOI: https://doi.org/10.1007/s12225-008-9048-4

Khan, Saleh Ahammad ; Razafimandimbison, Sylvain ; Bremer, Birgitta ; Liede-Schumann, Sigrid:
Phylogeny and biogeography of the African genus Virectaria Bremek. (Sabiceeae s.l., Ixoroideae, Rubiaceae).
In: Plant Systematics and Evolution. Vol. 275 (2008) Issue 1-2 . - pp. 43-58.
ISSN 0378-2697
DOI: https://doi.org/10.1007/s00606-008-0053-8

Smedmark, J. E. E. ; Rydin, C. ; Razafimandimbison, Sylvain ; Khan, Saleh Ahammad ; Liede-Schumann, Sigrid ; Bremer, Birgitta:
A phylogeny of Urophylleae (Rubiaceae) based on rps16 intron data.
In: Taxon. Vol. 57 (2008) Issue 1 . - pp. 24-32.
ISSN 0040-0262
DOI: https://doi.org/10.5167/uzh-11754

Wolff, Doris ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Pollination ecology of Ecuadorian Asclepiadoideae (Apocynaceae) : how generalized are morphologically specialized flowers?
In: Basic and Applied Ecology. Vol. 9 (2008) Issue 1 . - pp. 24-34.
ISSN 1439-1791
DOI: https://doi.org/10.1016/j.baae.2007.06.013

Khan, Saleh Ahammad ; Razafimandimbison, Sylvain ; Bremer, Birgitta ; Liede-Schumann, Sigrid:
Sabiceeae and Virectarieae (Rubiaceae, Ixoroideae): One or two tribes? : New tribal and generic circumscriptions of Sabiceeae and biogeography of Sabicea s.l.
In: Taxon. Vol. 57 (2008) Issue 1 . - pp. 7-23.
ISSN 0040-0262

Alejandro, Grecebio J. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Two new species of Mussaenda (Rubiaceae) from Panay.
In: Botanical Journal of the Linnean Society. Vol. 158 (2008) Issue 1 . - pp. 87-92.
ISSN 1095-8339
DOI: https://doi.org/10.1111/j.1095-8339.2008.00882.x

Endress, Mary E. ; Liede-Schumann, Sigrid ; Meve, Ulrich:
Advances in Apocynaceae : the enlightenment, an introduction.
In: Annals of the Missouri Botanical Garden. Vol. 94 (2007) Issue 2 . - pp. 259-267.
ISSN 0026-6493
DOI: https://doi.org/10.3417/0026-6493(2007)94[259:AIATEA]2.0.CO;2

Meve, Ulrich ; Liede-Schumann, Sigrid:
Ceropegia (Apocynaceae, Ceropegieae, Stapelinae) : Paraphyletic but still taxonomically sound.
In: Annals of the Missouri Botanical Garden. Vol. 94 (2007) Issue 2 . - pp. 392-406.
ISSN 0026-6493
DOI: https://doi.org/10.3417/0026-6493(2007)94[392:CACSPB]2.0.CO;2

Rapini, Alessandro ; van den Berg, Cassio ; Liede-Schumann, Sigrid:
Diversification of Asclepiadoideae (Apocynaceae) in the New World.
In: Annals of the Missouri Botanical Garden. Vol. 94 (2007) Issue 2 . - pp. 407-422.
ISSN 0026-6493
DOI: https://doi.org/10.3417/0026-6493(2007)94[407:DOAAIT]2.0.CO;2

Wolff, Doris ; Liede-Schumann, Sigrid:
Evolution of flower morphology, pollen dimorphism, and nectar composition in Arcytophyllum, a distylous genus of Rubiaceae.
In: Organisms Diversity and Evolution. Vol. 7 (2007) Issue 2 . - pp. 106-123.
ISSN 1618-1077
DOI: https://doi.org/10.1016/j.ode.2006.02.005

Liede-Schumann, Sigrid:
New results in floral biology of Asclepiadoideae (Apocynaceae).
In: Phyton. Vol. 46 (2007) Issue 2 . - pp. 191-193.
ISSN 0079-2047

Goyder, David J. ; Nicholas, Ashley ; Liede-Schumann, Sigrid:
Phylogenetic relationships in subtribe Asclepiadinae (Apocynaceae: Asclepiadoideae).
In: Annals of the Missouri Botanical Garden. Vol. 94 (2007) Issue 2 . - pp. 423-434.
ISSN 0026-6493
DOI: https://doi.org/10.3417/0026-6493(2007)94[423:PRISAA]2.0.CO;2

Liede-Schumann, Sigrid ; Meve, Ulrich:
Calciphila, a new genus in African Asclepiadeae (Apocynaceae, Asclepiadoideae), and taxonomic rectifications in Cynanchum.
In: Novon. Vol. 16 (2006) Issue 3 . - pp. 368-373.
ISSN 1945-6174
DOI: https://doi.org/10.3417/1055-3177(2006)16[368:CANGIA]2.0.CO;2

Liede-Schumann, Sigrid ; Meve, Ulrich:
A database and electronic interactive key for the genera of Periplocoideae, Secamonoideae and Asclepiadoideae (Apocynaceae).
In: Taxon. Vol. 55 (2006) Issue 3 . - pp. 811-812.
ISSN 0040-0262

Hassan, Nasr M. Sayed ; Hartmann, Heidrun E. K. ; Liede-Schumann, Sigrid:
Conspectus of Aizoaceae, Gisekiaceae and Molluginaceae of Egypt and the Sudan.
In: Feddes Repertorium. Vol. 116 (2005) Issue 1-2 . - pp. 1-42.
ISSN 0014-8962
DOI: https://doi.org/10.1002/fedr.200410057

Liede-Schumann, Sigrid ; Meve, Ulrich:
Notes on succulent Cynanchum species in East Africa.
In: Novon. Vol. 15 (2005) Issue 2 . - pp. 320-324.
ISSN 1945-6174

Hassan, Nasr M. Sayed ; Thiede, Joachim ; Liede-Schumann, Sigrid:
Phylogenetic analysis of Sesuvioideae (Aizoaceae) inferred from nrDNA internal transcribed spacer (ITS) sequences and morphological data.
In: Plant Systematics and Evolution. Vol. 255 (2005) Issue 3-4 . - pp. 121-143.
ISSN 1615-6110
DOI: https://doi.org/10.1007/s00606-005-0357-x

Liede-Schumann, Sigrid ; Rapini, Alessandro ; Goyder, David J. ; Chase, Mark W.:
Phylogenetics of the New World Subtribes of Asclepiadeae (Apocynaceae—Asclepiadoideae) : Metastelmatinae, Oxypetalinae, and Gonolobinae.
In: Systematic Botany. Vol. 30 (2005) Issue 1 . - pp. 184-195.
ISSN 1548-2324
DOI: https://doi.org/10.1600/0363644053661832

Alejandro, Grecebio J. ; Razafimandimbison, Sylvain ; Liede-Schumann, Sigrid:
Polyphyly of Mussaenda inferred from ITS and trnT-F data and its implication for generic limits in Mussaendeae (Rubiaceae).
In: American Journal of Botany. Vol. 92 (2005) Issue 3 . - pp. 544-557.
ISSN 1537-2197
DOI: https://doi.org/10.3732/ajb.92.3.544

Hassan, Nasr M. Sayed ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Seed coat morphology of Aizoaceae-Sesuvioideae, Gisekiaceae and Molluginaceae, and its systematic significance.
In: Botanical Journal of the Linnean Society. Vol. 148 (2005) Issue 2 . - pp. 189-206.
ISSN 1095-8339
DOI: https://doi.org/10.1111/j.1095-8339.2005.00407.x

Meve, Ulrich ; Liede-Schumann, Sigrid:
Generic delimitations in tuberous Periplocoideae from Africa and Madagascar.
In: Annals of Botany. Vol. 93 (2004) Issue 4 . - pp. 407-414.
ISSN 1095-8290
DOI: https://doi.org/10.1093/aob/mch057

Liede-Schumann, Sigrid ; Meve, Ulrich:
A new combination in Matelea (Apocynaceae–Asclepiadoideae).
In: Novon. Vol. 14 (2004) Issue 3 . - p. 314.
ISSN 1945-6174

Liede-Schumann, Sigrid ; Meve, Ulrich:
Revision of Metastelma (Apocynaceae-Asclepiadoideae) southwestern North America and Central America.
In: Annals of the Missouri Botanical Garden. Vol. 91 (2004) Issue 1 . - pp. 31-86.
ISSN 0026-6493

Meve, Ulrich ; Liede-Schumann, Sigrid:
Subtribal division of Ceropegieae (Apocynaceae-Asclepiadoideae).
In: Taxon. Vol. 53 (2004) Issue 1 . - pp. 61-72.
ISSN 0040-0262
DOI: https://doi.org/10.2307/4135489

Rapini, Alessandro ; Fontella-Pereira, Jorge ; de Lamare, Elizabeth H. ; Liede-Schumann, Sigrid:
Taxonomy of Peplonia (including Gonioanthela ) and a reinterpretation of Orthosieae (Asclepiadoideae, Apocynaceae).
In: Kew Bulletin. Vol. 59 (2004) Issue 4 . - pp. 531-539.
ISSN 1874-933X
DOI: https://doi.org/10.2307/4110907

Ollerton, Jeff ; Liede-Schumann, Sigrid:
Corona structure in Cynanchum : linking morphology to function.
In: Ecotropica. Vol. 9 (2003) Issue 1-2 . - pp. 107-112.
ISSN 0949-3026

Wolff, Doris ; Braun, Marcus ; Liede-Schumann, Sigrid:
Nocturnal versus diurnal pollination success in Isertia laevis (Rubiaceae) : a sphingophilous plant visited by hummingbirds.
In: Plant Biology. Vol. 5 (2003) Issue 1 . - pp. 71-78.
ISSN 1438-8677
DOI: https://doi.org/10.1055/s-2003-37977

Alejandro, Grecebio J. ; Liede-Schumann, Sigrid:
The Philippine Rubiaceae genera : updated synopsis in INTKEY databases of the DELTA system.
In: Blumea. Vol. 48 (2003) Issue 2 . - pp. 261-277.
ISSN 0006-5196
DOI: https://doi.org/10.3767/000651903X674964

Verhoeven, Rudolf L. ; Liede-Schumann, Sigrid ; Endress, Mary E.:
The tribal position of Fockea and Cibirhiza (Apocynaceae-Asclepiadoideae) : evidence from pollinium structure and cpDNA sequence data.
In: Grana. Vol. 42 (2003) Issue 2 . - pp. 70-81.
ISSN 0017-3134
DOI: https://doi.org/10.1080/00173130310012549

Liede-Schumann, Sigrid ; Täuber, Angelika:
Circumscription of the Genus Cynanchum (Apocynaceae—Asclepiadoideae).
In: Systematic Botany. Vol. 27 (2002) Issue 4 . - pp. 789-800.
ISSN 1548-2324

Liede-Schumann, Sigrid ; Kunze, Henning:
Cynanchum and the Cynanchinae (Apocynaceae – Asclepiadoideae) : a molecular, anatomical and latex triterpenoid study.
In: Organisms Diversity and Evolution. Vol. 2 (2002) Issue 3 . - pp. 239-269.
ISSN 1618-1077
DOI: https://doi.org/10.1078/1439-6092-00045

Liede-Schumann, Sigrid ; Meve, Ulrich:
Dissolution of Cynanchum sect. Macbridea (Apocynaceae-Asclepiadoideae).
In: Nordic Journal of Botany. Vol. 22 (2002) Issue 5 . - pp. 579-591.
ISSN 1756-1051
DOI: https://doi.org/10.1111/j.1756-1051.2002.tb01913.x

Meve, Ulrich ; Liede-Schumann, Sigrid:
Floristic exchange between mainland Africa and Madagascar : case study of Apocynaceae-Asclepiadoideae.
In: Journal of Biogeography. Vol. 29 (2002) Issue 7 . - pp. 865-873.
ISSN 0305-0270
DOI: https://doi.org/10.1046/j.1365-2699.2002.00729.x

Liede-Schumann, Sigrid ; Täuber, Angelika ; Schneidt, J.:
Molecular considerations in the Tylophorinae K. Schum. (Apocynaceae-Asclepiadoideae).
In: Edinburgh Journal of Botany. Vol. 59 (2002) Issue 3 . - pp. 377-403.
ISSN 1474-0036
DOI: https://doi.org/10.1017/S0960428602000239

Meve, Ulrich ; Liede-Schumann, Sigrid:
A molecular phylogeny and generic rearrangement of the stapelioid Ceropegieae (Apocynaceae-Asclepiadoideae).
In: Plant Systematics and Evolution. Vol. 234 (2002) Issue 1 . - pp. 171-209.
ISSN 1615-6110
DOI: https://doi.org/10.1007/s00606-002-0220-2

Meve, Ulrich ; Omlor, Ralf ; Liede-Schumann, Sigrid:
A new combination in Tylophora (Apocynaceae,Asclepiadoideae) from the Philippines.
In: Systematics and Geography of Plants. Vol. 72 (2002) Issue 1 . - pp. 27-32.
ISSN 1374-7886

Liede-Schumann, Sigrid ; Meve, Ulrich ; Täuber, Angelika:
What is the subtribe Glossonematinae (Apocynaceae:Asclepiadoideae)? A phylogenetic study based on cpDNA spacer.
In: Botanical Journal of the Linnean Society. Vol. 139 (2002) Issue 2 . - pp. 145-158.
ISSN 1095-8339
DOI: https://doi.org/10.1046/j.1095-8339.2002.00048.x

Meve, Ulrich ; Liede-Schumann, Sigrid:
Inclusion of Tenaris and Macropetalum in Brachystelma (Apocynaceae-Asclepiadoideae-Ceropegieae) inferred from non-coding nuclear and chloroplast DNA sequences.
In: Plant Systematics and Evolution. Vol. 228 (2001) Issue 1-2 . - pp. 89-105.
ISSN 1615-6110
DOI: https://doi.org/10.1007/s006060170040

Liede-Schumann, Sigrid ; Meve, Ulrich:
New combinations and new names in Malagasy Asclepiadoideae (Apocynaceae).
In: Adansonia. Vol. 23 (2001) Issue 2 . - pp. 347-351.
ISSN 0001-804X

Meve, Ulrich ; Masinde, Siro ; Sentner, Ulrich ; Liede-Schumann, Sigrid:
RAPD analysis and taxonomic reconsideration of the Ceropegia aristolochioides complex (Apocynaceae Ceropegieae).
In: Plant Biology. Vol. 3 (2001) Issue 6 . - pp. 622-628.
ISSN 1438-8677
DOI: https://doi.org/10.1055/s-2001-19367

Meve, Ulrich ; Liede-Schumann, Sigrid:
Reconsideration of the status of Lavrania, Larryleachia and Notechidnopsis (Asclepiadoideae-Ceropegieae).
In: South African Journal of Botany. Vol. 67 (2001) Issue 2 . - pp. 161-168.
ISSN 0254-6299
DOI: https://doi.org/10.1016/S0254-6299(15)31115-7

Liede-Schumann, Sigrid:
Subtribe Astephaninae (Apocynaceae-Asclepiadoideae) reconsidered : new evidence based on cpDNA spacers.
In: Annals of the Missouri Botanical Garden. Vol. 88 (2001) Issue 4 . - pp. 657-668.
ISSN 0026-6493
DOI: https://doi.org/10.2307/3298638

Liede-Schumann, Sigrid ; Meve, Ulrich:
Taxonomic changes in American Metastelmatinae (Apocynaceae-Asclepiadoideae).
In: Novon. Vol. 11 (2001) Issue 2 . - pp. 171-182.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3393054

Liede-Schumann, Sigrid ; Täuber, Angelika:
Sarcostemma R. Br. (Apocynaceae-Asclepiadoideae) - a controversial generic circumscription reconsidered : evidence from trnL-F spacers.
In: Plant Systematics and Evolution. Vol. 225 (2000) Issue 1-4 . - pp. 133-140.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00985463

Meve, Ulrich ; Liede-Schumann, Sigrid:
Asclepiadoideae and Periplocoideae (Apocynaceae s.l.) of the Thunberg herbarium.
In: Nordic Journal of Botany. Vol. 19 (1999) Issue 2 . - pp. 129-138.
ISSN 1756-1051
DOI: https://doi.org/10.1111/j.1756-1051.1999.tb00655.x

Liede-Schumann, Sigrid:
The genera Cynanchum and Vincetoxicum (Apocynaceae-Asclepiadoideae) in Malesia.
In: Blumea. Vol. 44 (1999) Issue 2 . - pp. 471-495.
ISSN 0006-5196

Meve, Ulrich ; Goyder, David J. ; Liede-Schumann, Sigrid:
Some comments and corrections on the Asclepiadaceae in the Upland Kenyan Wild Flowers by A.D.Q. Agnew and S. Agnew.
In: Journal of East African Natural History. Vol. 88 (1999) Issue 1 . - pp. 85-90.
ISSN 0012-8317
DOI: https://doi.org/10.2982/0012-8317(1999)88[85:SCACOT]2.0.CO;2

Liede-Schumann, Sigrid:
Subtribes and genera of Asclepiadeae : reply to Bruyns's response.
In: Taxon. Vol. 48 (1999) Issue 1 . - pp. 27-29.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1224616

Meve, Ulrich ; Liede-Schumann, Sigrid:
A surprising discovery in the stem-succulent Cynanchum complex in Madagascar.
In: Bradleya. Vol. 16 (1998) . - pp. 9-13.
ISSN 0265-086x

Liede-Schumann, Sigrid:
American Cynanchum (Asclepiadaceae) - a preliminary infrageneric classification.
In: Novon. Vol. 7 (1997) Issue 2 . - pp. 172-181.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3392191

Meve, Ulrich ; Liede-Schumann, Sigrid:
A new species of Sarcostemma (Asclepiadaceae) from northern Madagascar.
In: Asklepios. Vol. 72 (1997) . - pp. 26-28.
ISSN 0260-9533

Meve, Ulrich ; Liede-Schumann, Sigrid:
A new species of Sarcostemma (Asclepiadaceae) from northern Madagascar.
In: Kew Bulletin. Vol. 52 (1997) Issue 2 . - pp. 491-494.
ISSN 0075-5974
DOI: https://doi.org/10.2307/4110399

Liede-Schumann, Sigrid:
Phylogenetic study of the African members of Cynanchum (Apocynaceae - Asclepiadoideae).
In: Systematic Botany. Vol. 22 (1997) Issue 2 . - pp. 347-372.
ISSN 1548-2324
DOI: https://doi.org/10.2307/2419462

Ollerton, Jeff ; Liede-Schumann, Sigrid:
Pollination systems in the Asclepiadaceae : a survey and preliminary analysis.
In: Biological Journal of the Linnean Society. Vol. 62 (1997) Issue 4 . - pp. 593-610.
ISSN 0024-4066

Liede-Schumann, Sigrid ; Meve, Ulrich:
Some clarifications, new species, and new combinations in American Cynanchinae (Asclepiadaceae).
In: Novon. Vol. 7 (1997) Issue 1 . - pp. 38-45.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3392072

Liede-Schumann, Sigrid:
Subtribes and genera of the tribe Asclepiadeae (Apocynaceae-Asclepiadoideae) - a synopsis.
In: Taxon. Vol. 46 (1997) Issue 2 . - pp. 233-247.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1224093

Liede-Schumann, Sigrid ; Meve, Ulrich:
The circumscription of Karimbolea Descoings (Asclepiadaceae).
In: Brittonia. Vol. 48 (1996) Issue 4 . - pp. 501-507.
ISSN 1938-436X
DOI: https://doi.org/10.2307/2807866

Liede-Schumann, Sigrid:
The Cynanchinae (Asclepiadaceae) in Madagascar : more new leafy and leafless species and subspecies.
In: Bulletin du Muséum National d'Histoire Naturelle B, 4. Série. Vol. 18 (1996) Issue 1-2 . - pp. 103-135.
ISSN 0240-8937

Liede-Schumann, Sigrid:
Cynanchum. Rhodostegiella. Vincetoxicum. Tylophora (Asclepiadaceae) : New considerations on an old problem.
In: Taxon. Vol. 45 (1996) Issue 2 . - pp. 193-211.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1224660

Liede-Schumann, Sigrid:
Field work required : Sarcostemma viminale subsp. odontolepis in the vicinity of Nairobi.
In: Ballya. Vol. 3 (1996) Issue 2 . - p. 34.
ISSN 1029-2713

Meve, Ulrich ; Liede-Schumann, Sigrid:
A new species from Ethiopia and an interesting disjunction in Tylophora (Asclepiadaceae).
In: Edinburgh Journal of Botany. Vol. 53 (1996) Issue 3 . - pp. 323-329.
ISSN 1474-0036
DOI: https://doi.org/10.1017/S0960428600003760

Liede-Schumann, Sigrid:
A revision of Cynanchum (Asclepiadaceae) in Africa.
In: Annals of the Missouri Botanical Garden. Vol. 83 (1996) Issue 3 . - pp. 283-345.
ISSN 0026-6493
DOI: https://doi.org/10.2307/2399864

Liede-Schumann, Sigrid:
Sarcostemma (Asclepiadaceae) - a controversial generic circumscription reconsidered : morphological evidence.
In: Systematic Botany. Vol. 21 (1996) Issue 1 . - pp. 31-44.
ISSN 1548-2324
DOI: https://doi.org/10.2307/2419561

Meve, Ulrich ; Liede-Schumann, Sigrid:
Sarcostemma R. Br. (Asclepiadaceae) in East Africa and Arabia.
In: Botanical Journal of the Linnean Society. Vol. 120 (1996) Issue 1 . - pp. 21-38.
ISSN 1095-8339
DOI: https://doi.org/10.1006/bojl.1996.0002

Liede-Schumann, Sigrid ; Meve, Ulrich:
Two new species and one new combination in leafless Malagasy Cynanchum (Asclepiadaceae).
In: Novon. Vol. 6 (1996) Issue 1 . - pp. 59-63.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3392212

Liede-Schumann, Sigrid:
Cynanchum robertsoniae (Asclepiadaceae), a new species from the Seychelles.
In: Kew Bulletin. Vol. 50 (1995) Issue 4 . - pp. 805-808.
ISSN 0075-5974
DOI: https://doi.org/10.2307/4110244

Liede-Schumann, Sigrid ; Meve, Ulrich:
The genus Sarcostemma R.Br. (Asclepiadaceae) in Madagascar.
In: Botanical Journal of the Linnean Society. Vol. 118 (1995) Issue 1 . - pp. 37-51.
ISSN 1095-8339
DOI: https://doi.org/10.1111/j.1095-8339.1995.tb00459.x

Meve, Ulrich ; Liede-Schumann, Sigrid:
Microloma in Madagascar.
In: Asklepios. Vol. 65 (1995) . - pp. 18-20.
ISSN 0260-9533

Liede-Schumann, Sigrid ; Weberling, Focko:
On the inflorescence structure of Asclepiadaceae.
In: Plant Systematics and Evolution. Vol. 197 (1995) Issue 1-4 . - pp. 99-109.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00984635

Kunze, Henning ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Cibirhiza albersiana, a new species of Asclepiadaceae, and establishment of the tribe Fockeeae.
In: Taxon. Vol. 43 (1994) Issue 3 . - pp. 367-376.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1222714

Meve, Ulrich ; Liede-Schumann, Sigrid:
A conspectus of Ceropegia L. (Asclepiadaceae) in Madagascar, and the establishment of C. sect. Dimorpha.
In: Phyton. Vol. 34 (1994) Issue 1 . - pp. 131-141.
ISSN 0079-2047

Meve, Ulrich ; Liede-Schumann, Sigrid:
Cynanchum crassipedicellatum (Asclepiadaceae), a new and unusual succulent from Madagascar.
In: Novon. Vol. 4 (1994) Issue 3 . - pp. 276-279.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3391655

Liede-Schumann, Sigrid:
Cynanchum lenewtonii (Asclepiadaceae), a new leafless species from the African mainland.
In: Kew Bulletin. Vol. 49 (1994) Issue 1 . - pp. 119-123.
ISSN 0075-5974
DOI: https://doi.org/10.2307/4110207

Meve, Ulrich ; Liede-Schumann, Sigrid:
Floral biology and pollination in stapeliads : new results and a literature review.
In: Plant Systematics and Evolution. Vol. 192 (1994) Issue 1-2 . - pp. 99-116.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00985911

Liede-Schumann, Sigrid:
Myth and reality of the subtribe Astephaninae (Decne.) Schumann (Asclepiadaceae).
In: Botanical Journal of the Linnean Society. Vol. 114 (1994) Issue 1 . - pp. 81-98.
ISSN 1095-8339
DOI: https://doi.org/10.1006/bojl.1994.1006

Rua, Gabriel H. ; Liede-Schumann, Sigrid:
A new species of Tweedia (Asclepiadaceae) from the north of Chile.
In: Gayana Botánica. Vol. 51 (1994) Issue 2 . - pp. 81-84.
ISSN 0016-5301

Liede-Schumann, Sigrid ; Meve, Ulrich:
A new species of Tylophoropsis (Asclepiadaceae), and notes on the genus.
In: Kew Bulletin. Vol. 49 (1994) Issue 4 . - pp. 749-756.
ISSN 0075-5974
DOI: https://doi.org/10.2307/4118068

Liede-Schumann, Sigrid:
Some observations on pollination in Mexican Asclepiadaceae.
In: Madroño. Vol. 41 (1994) Issue 4 . - pp. 266-276.
ISSN 0024-9637

Liede-Schumann, Sigrid ; Albers, Focke:
Tribal disposition of genera in the Asclepiadaceae.
In: Taxon. Vol. 43 (1994) Issue 2 . - pp. 201-231.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1222878

Liede-Schumann, Sigrid:
Again : Nomenclatural types of the sections of the genus Erepsia N.E.Br. (Aizoceae-Ruschioideae).
In: Bradleya. Vol. 11 (1993) . - p. 50.
ISSN 0265-086X

Liede-Schumann, Sigrid ; Kunze, Henning:
A descriptive system for corona analysis in Asclepiadaceae and Periplocaceae.
In: Plant Systematics and Evolution. Vol. 185 (1993) Issue 3-4 . - pp. 275-284.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00937663

Albers, Focke ; Liede-Schumann, Sigrid ; Meve, Ulrich:
Deviating chromosome numbers in Asclepiadaceae.
In: Nordic Journal of Botany. Vol. 13 (1993) Issue 1 . - pp. 37-39.
ISSN 1756-1051
DOI: https://doi.org/10.1111/j.1756-1051.1993.tb00007.x

Liede-Schumann, Sigrid:
Goydera : A New Genus of Asclepiadaceae from Somalia.
In: Novon. Vol. 3 (1993) Issue 3 . - pp. 265-267.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3391468

Liede-Schumann, Sigrid ; Meve, Ulrich ; Mahlberg, Paul G.:
On the position of the genus Karimbolea Descoings.
In: American Journal of Botany. Vol. 80 (1993) Issue 2 . - pp. 215-221.
ISSN 1537-2197

Liede-Schumann, Sigrid:
A taxonomic revision of the genus Cynanchum in southern Africa.
In: Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. Vol. 114 (1993) Issue 4 . - pp. 503-550.
ISSN 0006-8152

Liede-Schumann, Sigrid ; Meve, Ulrich:
Towards an understanding of the Sarcostemma viminale (Asclepiadaceae) complex.
In: Botanical Journal of the Linnean Society. Vol. 112 (1993) Issue 1 . - pp. 1-15.
ISSN 1095-8339
DOI: https://doi.org/10.1006/bojl.1993.1036

Liede-Schumann, Sigrid ; Meve, Ulrich:
The genera of leafless Cynanchinae (Asclepiadaceae) in Africa.
In: Cactus and Succulent Journal. Vol. 64 (1992) Issue 1 . - pp. 30-36.
ISSN 0007-9367

Liede-Schumann, Sigrid:
Milkweed Life Forms.
In: Research & Exploration. Vol. 8 (1992) Issue 1 . - pp. 108-115.
ISSN 1056-800X

Hammer, Steven ; Liede-Schumann, Sigrid:
New chromosome counts in the Conophytinae.
In: Cactus and Succulent Journal. Vol. 64 (1992) Issue 4 . - pp. 197-199.
ISSN 0007-9367

Liede-Schumann, Sigrid:
New species and some important name changes in Malagasy leafy Cynanchum (Asclepiadaceae).
In: Bulletin du Muséum National d'Histoire Naturelle B, 4. Série. Vol. 14 (1992) Issue 3-4 . - pp. 429-453.
ISSN 0240-8937

Liede-Schumann, Sigrid ; Meve, Ulrich:
A new species of Sarcostemma (Asclepiadaceae) from Malawi.
In: Novon. Vol. 2 (1992) Issue 3 . - pp. 223-226.
ISSN 1945-6174
DOI: https://doi.org/10.2307/3391555

Liede-Schumann, Sigrid ; Nicholas, Ashley:
A Revision of the Genus Pentarrhinum E. Meyer (Asclepiadaceae).
In: Kew Bulletin. Vol. 47 (1992) Issue 3 . - pp. 475-490.
ISSN 1874-933X
DOI: https://doi.org/10.2307/4110574

Liede-Schumann, Sigrid:
Cynanchum gerrardii : a new combination for a well-known African species (Asclepiadaceae).
In: Taxon. Vol. 40 (1991) Issue 1 . - pp. 113-117.
ISSN 0040-0262
DOI: https://doi.org/10.2307/1222934

Liede-Schumann, Sigrid:
How diverse are Kentucky's forests?
In: Kentucky Native Plant Society Newsletter. Vol. 6 (1991) Issue 4 . - pp. 8-9.

Liede-Schumann, Sigrid ; Adams, Brian:
How to collect a Sarcostemma (Asclepiadaceae).
In: Plant Life. Vol. 5 (1991) . - pp. 20-21.

Hammer, Steven ; Liede-Schumann, Sigrid:
Hybridisation in the Mesembs.
In: Veld & Flora. Vol. 77 (1991) . - pp. 14-15.
ISSN 0303-1845

Liede-Schumann, Sigrid:
Nomenclatural types of the sections of the genus Erepsia N.E.BR. (Aizoaceae - Ruschioideae).
In: Beiträge zur Biologie der Pflanzen. Vol. 66 (1991) . - pp. 155-156.
ISSN 0005-8041

Liede-Schumann, Sigrid ; Hammer, Steven ; Whitehead, Vin:
Observations on pollination and hybridization in the genus Conophytum (Mesembryanthemaceae).
In: Bradleya. Vol. 9 (1991) . - pp. 93-99.
ISSN 0265-086X

Kunze, Henning ; Liede-Schumann, Sigrid:
Observations on pollination in Sarcostemma (Asclepiadaceae).
In: Plant Systematics and Evolution. Vol. 178 (1991) Issue 1-2 . - pp. 95-105.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00937984

Liede-Schumann, Sigrid ; Whitehead, Vin:
Studies in the pollination biology of Sarcostemma viminale R. Br. sensu lato.
In: South African Journal of Botany. Vol. 57 (1991) Issue 2 . - pp. 115-122.
ISSN 0254-6299

Liede-Schumann, Sigrid ; Whitehead, Vin:
Studies in the pollination biology of Sarcostemma viminale R. Br. sensu lato (Asclepiadaceae).
In: South African Journal of Botany. Vol. 57 (1991) Issue 2 . - pp. 115-122.
ISSN 0254-6299

Liede-Schumann, Sigrid ; Hammer, Steven:
Aspects of floral structure and phenology in the genus Conophytum (Mesembryanthemaceae).
In: Plant Systematics and Evolution. Vol. 172 (1990) Issue 1-4 . - pp. 229-240.
ISSN 1615-6110
DOI: https://doi.org/10.1007/BF00937809

Liede-Schumann, Sigrid:
Daemia - Pergularia - Telosma : a nomenclatural confusion.
In: Asklepios. Vol. 51 (1990) . - pp. 63-68.
ISSN 0260-9533

Hammer, Steven ; Liede-Schumann, Sigrid:
Natural and artificial hybrids in Mesembryanthemaceae.
In: South African Journal of Botany. Vol. 56 (1990) Issue 3 . - pp. 356-362.
ISSN 0254-6299

Liede-Schumann, Sigrid:
Studies in the genus Erepsia - on the ecology of a fynbos succulent.
In: Mitteilungen aus dem Institut für Allgemeine Botanik, Hamburg. Vol. 23 (1990) Issue 2 . - pp. 759-766.
ISSN 0344-5615

Liede-Schumann, Sigrid:
Untersuchungen zur Ökologie der Gattung Erepsia N.E.Br. (Mesembryanthemaceae).
In: Beiträge zur Biologie der Pflanzen. Vol. 65 (1990) Issue 1 . - pp. 1-98.
ISSN 0005-8041

Liede-Schumann, Sigrid ; Meve, Ulrich:
What is Lampranthus scaber (L.) N.E.Br.?
In: Bradleya. Vol. 8 (1990) . - pp. 39-44.
ISSN 0265-086x

Liede-Schumann, Sigrid ; Meve, Ulrich:
Sarcostemma pearsonii N.E.Br. : a neglected species from southern Africa.
In: Bradleya. Vol. 7 (1989) . - pp. 69-73.
ISSN 0265-086x

Liede-Schumann, Sigrid:
Untersuchungen zum Merkmalsbestand und zur Taxonomie der 'Erepsiinae' Schwantes.
In: Beiträge zur Biologie der Pflanzen. Vol. 64 (1989) Issue 3 . - pp. 391-479.
ISSN 0005-8041

Liede-Schumann, Sigrid:
The genus Pleiospilos.
In: Cactus and Succulent Journal. Vol. 60 (1988) Issue 5 . - pp. 209-214.
ISSN 0007-9367

Liede-Schumann, Sigrid ; Preil, Walter:
Die Suche nach Erica gracilis in Südafrika.
In: Gärtnerbörse und Gartenwelt. Vol. 87 (1987) Issue 33 . - pp. 1264-1265.
ISSN 0936-3734

Eloff, Jacobus N. ; Liede-Schumann, Sigrid:
The viability of seed supplied to Botanical Society members by the National Botanic Gardens.
In: Veld & Flora. Vol. 73 (1987) Issue 1 . - pp. 2-9.
ISSN 0303-1845

Hartmann, Heidrun E. K. ; Liede-Schumann, Sigrid:
Bemerkungen zur Verbreitung und Ökologie von Pleiospilos Schwantes s.str. und Tanquana H.E.K. Hartmann & Liede.
In: Mitteilungen aus dem Institut für Allgemeine Botanik, Hamburg. Vol. 21 (1986) . - pp. 117-125.
ISSN 0344-5615

Liede-Schumann, Sigrid:
Erepsia : Vygies for Cape Summer.
In: Veld & Flora. Vol. 72 (1986) . - pp. 84-85.
ISSN 0303-1845

Hartmann, Heidrun E. K. ; Liede-Schumann, Sigrid:
Die Gattung Pleiospilos s. lat. (Mesembryanthemaceae).
In: Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. Vol. 106 (1986) Issue 4 . - pp. 433-485.
ISSN 0006-8152

Article in a book

Greuter, Werner ; Rankin Rodríguez, Rosa ; Liede-Schumann, Sigrid:
Asclepiadoideae.
In: Greuter, Werner ; Rankin Rodríguez, Rosa (ed.): Espermatófitos de Cuba Inventario preliminar. Parte II. Inventario. - Berlin-Dahlem : Botanischer Garten und Botanisches Museum Berlin-Dahlem , 2016 . - pp. 18-24
ISBN 978-3-946292-09-8
DOI: https://doi.org/10.3372/cubalist.2016.2

Meve, Ulrich ; Newton, Leonard E. ; Liede-Schumann, Sigrid:
Diversity in the Cynanchum gerrardii complex (Apocynaceae-Asclepiadoideae).
In: Lidén, Magnus ; Morrison, David (ed.): Contributions to botany : dedicated to Inga Hedberg. - Uppsala : Uppsala Universitet , 2016 . - pp. 13-18 . - (Symbolae Botanicae Upsalienses ; 38 )
ISBN 978-91-554-9608-1

Hartmann, Heidrun E. K. ; Meve, Ulrich ; Liede-Schumann, Sigrid:
Trianthema subgen. Papularia in Africa.
In: Beau, Natacha (Hrsg.): African plant diversity : systematics and sustainable development. - Meise : National Botanic Garden of Belgium , 2013 . - pp. 209-221 . - (Scripta Botanica Belgica ; 50 )

Liede-Schumann, Sigrid ; Breckle, Siegmar-W.:
General Introduction to the Provisional checklists of flora and fauna of the San Francisco Valley and its surroundings (Reserva San Francisco / Prov. Zamora -Chinchipe, southern Ecuador).
In: Liede-Schumann, Sigrid (Hrsg.): Provisional checklists of flora and fauna of the San Francisco Valley and its surroundings : (Reserva Biológica San Francisco, prov. Zamora-Chinchipe, southern Ecuador). - Bonn , 2008 . - pp. 5-15 . - (Ecotropical Monographs ; 4 )
ISBN 978-3-9807780-3-9

Meve, Ulrich ; Jahnke, Gudrun ; Liede-Schumann, Sigrid ; Albers, Focke:
Isolations mechanisms in Stapeliads (Apocynaceae - Asclepiadoideae - Ceropegieae).
In: Thiede, Joachim (ed.): Sukkulentenforschung in Afrika : Festschrift Hans-Dieter Ihlenfeldt. - Oldenburg : Aschenbeck und Isensee , 2004 . - pp. 107-126 . - (Schumannia ; 4 )
ISBN 978-3-89995-105-9

Liede-Schumann, Sigrid:
Fam. 140. Asclepiadaceae : 18. Tylophora - 27. Oxystelma.
In: Hedberg, Inga ; Edwards, Sue ; Nemomissa, Sileshi (ed.): Flora of Ethiopia and Eritrea. Band 4.1. - Addis Abeba , 2003 . - pp. 135-150

Liede-Schumann, Sigrid:
Cynanchum.
In: Albers, Focke ; Meve, Ulrich (ed.): Illustrated Handbook of Succulent Plants. Band 4. Asclepiadaceae. - Heidelberg : Springer Verlag , 2002
ISBN 3-540-41964-0

Liede-Schumann, Sigrid:
Sarcostemma.
In: Albers, Focke ; Meve, Ulrich (ed.): Illustrated Handbook of Succulent Plants. Band 4. Asclepiadaceae. - Heidelberg : Springer Verlag , 2002
ISBN 3540419640

Liede-Schumann, Sigrid:
Growth forms in the genus Cynanchum (Asclepiadaceae) in Africa.
In: Seyani, Jameson H. (ed.): Plants for the people : Proceedings of the XIIIth Plenary Meeting of AETFAT, Zomba, Malawi, 2 - 11 April 1991. Band 2. - Zomba, Malawi : National Herbarium and Botanic Gardens of Malawi , 1994 . - pp. 1077-1084
ISBN 999-0840-00-8

Conference item

Liede-Schumann, Sigrid:
Growth forms in the genus Cynanchum (Asclepiadaceae) in Africa.
1994
Event: XIIIth Plenary Meeting of AETFAT , 02.-11. April 1991 , Zomba, Malawi.
(Conference item: Conference , Paper )

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