Table 4. Sequence evidence for Intrastrand Deletion event in Group 1 taxa (in sequence alignment, bases: 69,883–69,962).

Amelichloa brachychaeta	TAATCCAAAATAGAAATAAC---CTTTTTTTTTCTAATTCAATT----CTTTATTTATCTCTTATTCC-----AAAATTC
Triplachne nitens	TAATCCAAAATTCAATTGTTTA-TTTTTTTTTGCAAATTCAATTGTTTTGTTTATTTATCTCTTATTCC----AAAATTC
Gastridium ventricosum	TAATCCAAAATTCAATTGTTTA-TTTTTTTTTGCAAATTCAATTGTTTTGTTTATTTATCTCTTATTCC----AAAATTC
Dichelachne crinita	TAATCCAAAATAGAA---AGCATTTTTTTTTTTCAAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Calamagrostis breviligulata	TAATCCAAAATTCAATTGTTTATTTTTTTTTTTCAAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Polypogon fugax (ISD)	TAA---------------------------------------------------------------TCC----AAAATTC
Agrostis gigantea	TAATCCAAAATTCAATT--------------------------------GTTTAGTTATCTCTTATTCC----AAAATTC
Agrostis stolonifera	TAATCCAAAATTCAATT--------------------------------GTTTATTTATCTCTTATTCC----AAAATTC
Hierochloe odorata	TAATCCAAAATAGAAAGCATT--TTTTTTTTTTCAAATTCAATT-----GTTTATTTATTTCTTATTCC----AAAATTC
Torreyochloa pallida	-------------------------------------------------GTTTATTTATCTCTTATTCC----AAAATTC
Phalaris arundinacea	TAATCCAAAATAGAAAGCA----TTTTTTTTTTCAAATGCAATT-----GTTTATTTATCTCTTATTCCAAAAAAAATTC
Koeleria nitidula	TAATCCAAAATAGAAAACA-T--TTTTTTTTTTCAAATTCAATT-----GTTTACTTATCTCTTATTCC----AAAATTC
Trisetum cernuum	TAATCCAAAATAGAAAACA-T--TTTTTTTTTTCAAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Avena sativa	TAATCCAAAATACAAAACATT--TTTTTTTTTTCAAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Arrhenatherum elatius	GAATCCAAAATAGAAAACA-------TTTTTTTTTAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Anthoxanthum odoratum	----------------------------TTTTTCAAATTCAATT-----GTTTATTTATCTCTTATTCC----AAAATTC
Briza maxima	-------------------------------------------------GTTTATTTATTTATTATTCC----AAAATTC

Notes.

T4. Alignment evidence showing the ISD event in Polypogon fugax. Nucleotides of importance are bolded or underlined.