0.1
Allisonia cockaynii
Fossombronia alata
Fossombronia alata
Fossombronia densa
Fossombronia densa
Fossombronia sp.
Fossombronia cultriformis
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia truncata
Fossombronia purpureospora
Austrofossombronia australis
Austrofossombronia australis
Fossombronia altilamellosa
Fossombronia altilamellosa
Fossombronia altilamellosa
Fossombronia altilamellosa
Fossombronia angulosa (Canary Islands)
Fossombronia foveolata (Massachusetts)
Fossombronia sp. (Arkansas)
Fossombronia wattsii
Fossombronia wattsii
Fossombronia wattsii
Fossombronia wattsii
Austrofossombronia peruviana (Peru)
Fossombronia sp.
Fossombronia cultriformis
Fossombronia sp.
Fossombronia cf. pusilla
Fossombronia sp.
Fossombronia pusilla
Fossombronia pusilla
Fossombronia pusilla
Fossombronia pusilla
Spore morphology
Spore morphology is usually consistent with species delimitation.  In one case the spore morphology is identical for two samples that are in different parts of the tree. Reason? Convergent evolution? Symplesiomorphy?  Interpretation?