- D. obscurum – main stem, proximally
- D. obscurum – main stem, x-sect.
- D. obscurum – lateral branch, x-sect.
- D. obscurum – lateral branch, dorsal
- D. obscurum – lateral branch, ventral
- D. obscurum – growth constriction
- D. obscurum – terminal strobilus
- D. obscurum – growth habit
- D. obscurum – growth habit










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