diff --git a/niworkflows/data/nipreps.json b/niworkflows/data/nipreps.json
index 56b86770e5a..cb6fe4b1c30 100644
--- a/niworkflows/data/nipreps.json
+++ b/niworkflows/data/nipreps.json
@@ -95,7 +95,7 @@
     },
     {
       "name": "datatype",
-      "pattern": "[/\\\\]+(func|anat|pet|fmap|dwi|perf|meg|eeg|figures)[/\\\\]+"
+      "pattern": "[/\\\\]+(func|anat|pet|fmap|dwi|meg|eeg|perf|figures)[/\\\\]+"
     },
     {
       "name": "extension",
@@ -161,15 +161,21 @@
     {
       "name": "hash",
       "pattern": "hash-([a-zA-Z0-9+]+)"
+    },
+    {
+      "name": "seg",
+      "pattern": "[_/\\\\]+seg-([a-zA-Z0-9+]+)"
     }
   ],
   "default_path_patterns": [
-    "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_desc-{desc}]_{suffix<T1w|T2w|T1rho|T1map|T2map|T2starmap|FLAIR|FLASH|PDmap|PD|PDT2|dseg|inplaneT[12]|angio|T2starw|MTw|TSE>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
+    "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_seg-{seg}][_desc-{desc}]_{suffix<T1w|T2w|T1rho|T1map|T2map|T2starmap|FLAIR|FLASH|PDmap|PD|PDT2|dseg|inplaneT[12]|angio|T2starw|MTw|TSE>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_hemi-{hemi<L|R>}]_from-{from}_to-{to}_mode-{mode<image|points>|image}_{suffix<xfm>|xfm}{extension<.txt|.h5>}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}]_hemi-{hemi<L|R>}[_space-{space}][_cohort-{cohort}][_den-{density}][_desc-{desc}]_{suffix<white|smoothwm|pial|midthickness|inflated|vinflated|sphere|flat|sulc|curv|thickness>}{extension<.surf.gii|.shape.gii>}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_den-{density}][_desc-{desc}]_{suffix<sulc|curv|thickness>}{extension<.dscalar.nii|.json>}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_label-{label}]_desc-{desc}_{suffix<mask>|mask}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}]_label-{label}[_desc-{desc}]_{suffix<probseg>|probseg}{extension<.nii|.nii.gz|.json>|.nii.gz}",
+    "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_seg-{seg}][_desc-{desc}]_{suffix<dseg>}{extension<.tsv|.json>|.tsv}",
+    "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_seg-{seg}][_label-{label}][_desc-{desc}]_{suffix<morph>}{extension<.tsv|.json>|.tsv}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_desc-{desc}]_{suffix<dseg>}{extension<.tsv|.json>|.tsv}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_label-{label}][_desc-{desc}]_{suffix<morph>}{extension<.tsv|.json>|.tsv}",
     "sub-{subject}[/ses-{session}]/{datatype<anat>|anat}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}]_hemi-{hemi<L|R>}[_space-{space}][_cohort-{cohort}][_den-{density}]_desc-{desc}_{suffix<mask>|mask}{extension<.label.gii|.json>|.label.gii}",
@@ -194,18 +200,19 @@
     "sub-{subject}[/ses-{session}]/{datatype<fmap>|fmap}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_dir-{direction}][_run-{run}][_part-{part}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_fmapid-{fmapid}][_desc-{desc}]_{suffix<fieldmap>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<fmap>|fmap}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_dir-{direction}][_run-{run}][_part-{part}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_fmapid-{fmapid}][_label-{label}][_desc-{desc}]_{suffix<mask>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_pvc-{pvc}][_desc-{desc}]_{suffix<pet|petref>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
+    "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}][_desc-{desc}]_{suffix<pet|petref>}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_hemi-{hemi<L|R>}]_from-{from}_to-{to}_mode-{mode<image|points>|image}_{suffix<xfm>|xfm}{extension<.txt|.h5>}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}]_hemi-{hemi<L|R>}[_space-{space}][_cohort-{cohort}][_den-{density}][_desc-{desc}]_{suffix<white|smoothwm|pial|midthickness|inflated|vinflated|sphere|flat|sulc|curv|thickness>}{extension<.surf.gii|.shape.gii>}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_den-{density}][_desc-{desc}]_{suffix<sulc|curv|thickness>}{extension<.dscalar.nii|.json>}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}]_desc-{desc}_{suffix<mask>|mask}{extension<.nii|.nii.gz|.json>|.nii.gz}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_res-{resolution}]_label-{label}[_desc-{desc}]_{suffix<probseg>|probseg}{extension<.nii|.nii.gz|.json>|.nii.gz}",
-    "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_part-{part}][_space-{space}][_cohort-{cohort}][_label-{label}][_pvc-{pvc}][_desc-{desc}]_{suffix<timeseries|regressors|tacs>|timeseries}{extension<.json|.tsv>|.tsv}",
+    "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_part-{part}][_space-{space}][_atlas-{atlas}][_cohort-{cohort}][_seg-{seg}][_label-{label}][_desc-{desc}]_{suffix<timeseries|regressors|tacs>|timeseries}{extension<.json|.tsv>|.tsv}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_hemi-{hemi<L|R>}][_pvc-{pvc}][_space-{space}][_cohort-{cohort}][_den-{density}][_desc-{desc}]_{suffix<pet>}{extension<.dtseries.nii|.dtseries.json|.func.gii|.func.json>}",
     "sub-{subject}[/ses-{session}]/{datatype<pet>|pet}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_label-{label}][_res-{resolution}]_desc-{desc}_{suffix<morph>}{extension<.tsv|.json>|.tsv}",
-    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_desc-{desc}]_{suffix<T1w|T2w|T1rho|T1map|T2map|T2star|FLAIR|FLASH|PDmap|PD|PDT2|inplaneT[12]|angio|dseg|mask|T2starw|MTw|TSE>}{extension<.html|.svg>|.svg}",
-    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_fmapid-{fmapid}][_desc-{desc}]_{suffix<fieldmap>}{extension<.html|.svg>|.svg}",
-    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_echo-{echo}][_part-{part}][_space-{space}][_cohort-{cohort}][_desc-{desc}]_{suffix<dwi|epi|epiref>}{extension<.html|.svg>|.svg}",
-    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}]_task-{task}[_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_echo-{echo}][_part-{part}][_space-{space}][_cohort-{cohort}][_desc-{desc}]_{suffix<bold|boldmap>}{extension<.html|.svg>|.svg}",
-    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_task-{task}][_acq-{acquisition}][_ce-{ceagent}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_label-{label}][_desc-{desc}]_{suffix<pet>}{extension<.html|.svg>|.svg}"
+    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_label-{label}][_desc-{desc}]_{suffix<T1w|T2w|T1rho|T1map|T2map|T2star|FLAIR|FLASH|PDmap|PD|PDT2|inplaneT[12]|angio|dseg|mask|T2starw|MTw|TSE|pet>}{extension<.html|.svg>|.svg}",
+    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_fmapid-{fmapid}][_desc-{desc}]_{suffix<fieldmap>}{extension<.html|.svg>|.svg}",
+    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_echo-{echo}][_part-{part}][_space-{space}][_cohort-{cohort}][_label-{label}][_desc-{desc}]_{suffix<dwi|epi|epiref|pet>}{extension<.html|.svg>|.svg}",
+    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}]_task-{task}[_acq-{acquisition}][_ce-{ceagent}][_rec-{reconstruction}][_dir-{direction}][_run-{run}][_echo-{echo}][_part-{part}][_space-{space}][_cohort-{cohort}][_label-{label}][_desc-{desc}]_{suffix<bold|boldmap|pet>}{extension<.html|.svg>|.svg}",
+    "sub-{subject}/{datatype<figures>}/sub-{subject}[_ses-{session}][_hash-{hash}][_acq-{acquisition}][_trc-{tracer}][_rec-{reconstruction}][_run-{run}][_space-{space}][_cohort-{cohort}][_label-{label}][_desc-{desc}]_{suffix<pet>}{extension<.html|.svg|.png>|.html}"
   ]
 }