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| Session | Date/Time | Location | Title | Type | Authors | Keywords |
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Monday, July 27th |
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| PTER1001 | July 27th 10:00 am | Virtual/Virtual | New Fronds of Dryopteris intermedia Develop More Slowly When the Stipes of Overwintering Fronds are Broken | Oral Paper | Tessier, Jack. | temperate forest
fern
leaf phenology
northeastern United States
wintergreen |
| PTER1002 | July 27th 10:15 am | Virtual/Virtual | Canceled Diversification of the fern genus Cryptogramma across time and space | Oral Paper | Metzgar, Jordan. | Pteridaceae
ecological niche modelling
polyploidy
divergence time estimation
Beringia
Last Glacial Maximum |
| PTER1003 | July 27th 10:30 am | Virtual/Virtual | Geographic patterns in ploidy and reproductive mode in the xeric-adapted Australasian species Cheilanthes distans (Pteridaceae) | Oral Paper | Sosa, Karla; Windham, Michael D.. | apomixis
reproduction
range
polyploidy |
| PTER1004 | July 27th 10:45 am | Virtual/Virtual | New insights into the evolution of the fern family Dennstaedtiaceae | Oral Paper | Sundue, Michael; Triana-Moreno, Luz Amparo; Schwartsburd, Pedro. | Cretaceous
Phyletic Slide
Bower
Shade-intolerant |
| PTER1005 | July 27th 11:00 am | Virtual/Virtual | Comparative Phylogenetic Analysis of Rapid Divergences and Reticulations in the Fern Genus Polypodium s.s. using Target-Capture Methods | Oral Paper | Mendez-Reneau, Jonas; Sigel, Erin. | homeolog
cryptic species
allopolyploidy
phasing |
| PTER1006 | July 27th 11:15 am | Virtual/Virtual | Exploring dimensions of biodiversity in Japanese ferns | Oral Paper | Nitta, Joel; Mishler, Brent; Iwasaki, Wataru; Ebihara, Atsushi. | Japan
Spatial phylogenetics
Biodiversity
Community phylogenetics
fern |
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| July 27th 12:00 pm | Virtual/Virtual | American Fern Society Luncheon | | | |
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| July 27th 1:00 pm | Virtual/Virtual | Pteridological Section Business Meeting | | | |
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| PTER2001 | July 27th 1:30 pm | Virtual/Virtual | The Life Aquatic: Genomic and Transcriptomic Insights into Crassulacean Acid Metabolism in Isoetes | Oral Paper | Wickell, David; Kuo, Li-Yaung; Yang, Hsiao-Pei; Michael, Todd; Li, Fay-Wei. | CAM
Isoetes
lycophytes
genomics
differential expression
transcriptomics
Aquatic plants
Seed-free |
| PTER2002 | July 27th 1:45 pm | Virtual/Virtual | Pheromones largely control sex expression in ferns: a meta-analysis of fern mating via antheridiogens | Oral Paper | Hornych, Ondrej; Testo, Weston; Sessa, Emily; Watkins, James; Campany, Courtney; Pittermann, Jarmila; Ekrt, Libor. | antheridiogen
fern
pheromone
gametophyte
polyploidy
apomixis
dark germination
antheridiogen evolution
reproduction |
| PTER2003 | July 27th 2:00 pm | Virtual/Virtual | An environmentally-based model for the origin of obligate apomixis in ferns: insights from the pellaeid clade (Pteridaceae; Cheilanthoideae) | Oral Paper | Grusz, Amanda; Windham, Michael D.; Picard, Kathryn; Pryer, Kathleen; Schuettpelz, Eric; Haufler, Christopher. | agamospory
apogamy
asexual
diplospory
Döpp-Manton sporogenesis
meiotic obligate apogamy
premeiotic endomitosis |
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| PPT001 | July 27th 5:00 pm | Virtual/Virtual | Examining the range of diploid and tetraploid Asplenium trichomanes subspecies across Virginia | Poster: Pteridology | Corral, Sydney; Metzgar, Jordan. | Asplenium
Floristics
spore size
Virginia |
| PPT002 | July 27th 5:00 pm | Virtual/Virtual | R2R3-MYB gene evolution in plants, incorporating ferns into the story | Poster: Pteridology | Hernandez-Hernandez, Brenda; Tapia-Lopez, Rosalinda; Ambrose, Barbara; Vasco, Alejandra. | Asymmetric leaves 1
leaf development
Myb genes
transcription factors |
Tuesday, July 28th |
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|
| July 28th 10:00 am | Virtual/Virtual | Introduction | | | |
| COL04002 | July 28th 10:15 am | Virtual/Virtual | Analysis of paralogs in target enrichment data pinpoints multiple ancient allopolyploidy events in Alchemilla s.l. (Rosaceae) | Colloquium Presentations | Morales-Briones, Diego; Gehrke, Berit; Huang, Chien-Hsun; Liston, Aaron; Ma, Hong; Marx, Hannah; Tank, David; Yang, Ya. | Alchemilla
allopolyploidy
Gene tree discordance
Hyb-Seq
hybridization
Orthology inference
Paralogs
Rosaceae
Target Enrichment
Whole-genome duplication |
| COL04003 | July 28th 10:30 am | Virtual/Virtual | Polyploidy complicates resolution of evolutionary relationships in Tibouchina s.s. (Melastomataceae) | Colloquium Presentations | Jantzen, Johanna; Freitas Oliveira, Ana Luiza; Guimaraes, Paulo; Soltis, Douglas; Soltis, Pamela. | polyploidy
Target Enrichment
phylogenomics
Melastomataceae |
| COL04004 | July 28th 10:45 am | Virtual/Virtual | Phasing alleles improves phylogenetic network inference with allopolyploids | Colloquium Presentations | Tiley, George; Crowl, Andrew; Crowl, Andrew; Sessa, Emily; Burleigh, Gordon. | phasing
polyploidy
Multispecies Coalescent
networks
Dryopteris
Target Enrichment |
| COL04005 | July 28th 11:00 am | Virtual/Virtual | A phylogenomic investigation into polyploidy and cryptic diversity in the true blueberries (Vaccinium section Cyanococcus) | Colloquium Presentations | Crowl, Andrew; Crowl, Andrew; Tiley, George; Fritsch, Peter; Manos, Paul. | Alleles
Angiosperm353
Ericaceae
hybridization
HybSeq
phasing
polyploidy
Target Enrichment
Vaccinium |
| COL04006 | July 28th 11:15 am | Virtual/Virtual | Targeted long reads from herbarium specimens enable to identify allopolyploidization events of arctic/subarctic Silene sect. Physolychnis | Colloquium Presentations | Quatela, Anne-Sophie; Cangren, Patrik; De Boer, Hugo; Bacon, Christine; Oxelman, Bengt. | long read sequencing
herbarium specimens
Silene section Physolychnis
allopolyploidization
Target Enrichment |
| COL04007 | July 28th 11:30 am | Virtual/Virtual | Assessing the importance of hybridization in the diversification of Anacampseros (Anacampserotaceae, Caryophyllales) in the Cape Floristic Region using targeted sequence capture data | Colloquium Presentations | Moore, Abigail; Edwards, Erika. | Caryophyllales
Portullugo
Portulacineae
target capture
hybridization
reticulate evolution
Anacampseros
Cape Floristic Region |
| COL04008 | July 28th 11:45 am | Virtual/Virtual | Testing hypothesized reticulate evolution in the Cornales using targeted enrichment data | Colloquium Presentations | Thomas, Shawn; Liu, Xiang; Cummings, Amanda; Pokorny, Lisa; Xiang, Jenny; Leebens-Mack, Jim. | phylogenomics
Target Enrichment
reticulate evolution
Angiosperm353 |
| July 28th 12:00 pm | Virtual/Virtual | Break | | | |
| COL04010 | July 28th 12:30 pm | Virtual/Virtual | Strategies for assessing phylogenomic conflict and testing hybridization, with an example from Heuchera | Colloquium Presentations | Folk, Ryan. | hybridization
methods
phylogenomics
chloroplast capture |
| COL04011 | July 28th 12:45 pm | Virtual/Virtual | Phylogenomics Yields New Insight Into Relationships Within Vernonieae (Asteraceae) | Colloquium Presentations | Siniscalchi, Carolina; Loeuille, Benoit; Mandel, Jennifer; Pirani, José Rubens. | Compositae
Hyb-Seq
phylogeny
target capture |
| July 28th 1:00 pm | Virtual/Virtual | Discussion | | | |
Wednesday, July 29th |
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| SY3001 | July 29th 10:30 am | Virtual/Virtual | Polyploidy confers ecological advantage in wild and synthetic Fragaria | Symposium Presentation | Wei, Na; Ashman, Tia-Lynn; Cronn, Richard; Liston, Aaron. | adaptation
colchicine treatment
common gardens
Fragaria
fitness
functional traits
phenotypic plasticity
polyploidy
synthetic polyploids
wild polyploids |
| SY3002 | July 29th 11:00 am | Virtual/Virtual | Neopolyploidy in Heuchera cylindrica causes increased nutrient limitation phenotypes of functional traits | Symposium Presentation | Anneberg, Thomas; Segraves, Kari. | polyploidy
Saxifragaceae
Resource Economics Spectrum
Nutrient assay |
| SY3003 | July 29th 11:30 am | Virtual/Virtual | Ecological dynamics of hybridization in the Adiantum pedatum complex at local and regional scales | Symposium Presentation | Southgate, Morgan; Barrington, David. | allopolyploidy
Ferns
Ecological niche modeling
microhabitat data |
| July 29th 12:00 pm | Virtual/Virtual | Break | | | |
| SY3005 | July 29th 12:30 pm | Virtual/Virtual | Simple scaling rules that link genome size to photosynthetic metabolism | Symposium Presentation | Simonin , Kevin A; Roddy, Adam; Theroux-Rancourt, Guillaume; Jiang, Guo-Feng. | Ecophysiology
polyploidy
genome size |
| SY3006 | July 29th 1:00 pm | Virtual/Virtual | Anatomical and functional implications of allopolyploidy in Switchgrass (Panicum virgatum) across geographic sites | Symposium Presentation | John , Grace P; Bonnette, Jason; McQueen, Alice; Zhang, Li; Juenger, Thomas; Castillo Argaez, Raiza. | Leaf anatomy
polyploidy
functional traits
plant mapping
quantitative trait loci
trait correlations |
| July 29th 1:30 pm | Virtual/Virtual | Discussion | | | |
