diff --git a/plugins/variants/src/MultiLinearVariantDisplay/components/Crosshair.tsx b/plugins/variants/src/MultiLinearVariantDisplay/components/Crosshair.tsx
index 7c32b86b62..fc04f5e498 100644
--- a/plugins/variants/src/MultiLinearVariantDisplay/components/Crosshair.tsx
+++ b/plugins/variants/src/MultiLinearVariantDisplay/components/Crosshair.tsx
@@ -2,9 +2,10 @@ import { getContainingView } from '@jbrowse/core/util'
 import { observer } from 'mobx-react'
 import { makeStyles } from 'tss-react/mui'
 
+import MultiVariantTooltip from '../../shared/MultiVariantTooltip'
+
 import type { MultiLinearVariantDisplayModel } from '../model'
 import type { LinearGenomeViewModel } from '@jbrowse/plugin-linear-genome-view'
-import MultiVariantTooltip from '../../shared/MultiVariantTooltip'
 
 const useStyles = makeStyles()({
   rel: {
diff --git a/plugins/variants/src/shared/SourcesDataGrid.tsx b/plugins/variants/src/shared/SourcesDataGrid.tsx
new file mode 100644
index 0000000000..246f29915d
--- /dev/null
+++ b/plugins/variants/src/shared/SourcesDataGrid.tsx
@@ -0,0 +1,127 @@
+import { useState } from 'react'
+
+import { SanitizedHTML } from '@jbrowse/core/ui'
+import ColorPicker from '@jbrowse/core/ui/ColorPicker'
+import { getStr, measureGridWidth } from '@jbrowse/core/util'
+import { DataGrid } from '@mui/x-data-grid'
+import { makeStyles } from 'tss-react/mui'
+
+import type { Source } from '../types'
+import type { GridColDef } from '@mui/x-data-grid'
+
+const useStyles = makeStyles()({
+  cell: {
+    whiteSpace: 'nowrap',
+    overflow: 'hidden',
+    textOverflow: 'ellipsis',
+  },
+})
+
+interface SortField {
+  idx: number
+  field: string | null
+}
+
+export default function SourcesDataGrid({
+  rows,
+  onChange,
+  setSelected,
+}: {
+  rows: Source[]
+  onChange: (arg: Source[]) => void
+  setSelected: (arg: string[]) => void
+}) {
+  const { classes } = useStyles()
+  const {
+    id: _id,
+    name: _name,
+    color: _color,
+    baseUri: _baseUri,
+    HP: _HP,
+    ...rest
+  } = rows[0]!
+  const [currSort, setCurrSort] = useState<SortField>({
+    idx: 0,
+    field: null,
+  })
+
+  return (
+    <div style={{ height: 400, width: '100%' }}>
+      <DataGrid
+        checkboxSelection
+        disableRowSelectionOnClick
+        onRowSelectionModelChange={arg => {
+          setSelected(arg as string[])
+        }}
+        rows={rows}
+        rowHeight={25}
+        columnHeaderHeight={33}
+        columns={[
+          {
+            field: 'color',
+            headerName: 'Color',
+            renderCell: params => {
+              const { value, id } = params
+              return (
+                <ColorPicker
+                  color={value || 'blue'}
+                  onChange={c => {
+                    const elt = rows.find(f => f.name === id)
+                    if (elt) {
+                      elt.color = c
+                    }
+                    onChange([...rows])
+                  }}
+                />
+              )
+            },
+          },
+          {
+            field: 'name',
+            headerName: 'Name',
+            width: measureGridWidth(rows.map(r => r.name)),
+          },
+          ...Object.keys(rest).map(
+            val =>
+              ({
+                field: val,
+                renderCell: ({ value }) => (
+                  <div className={classes.cell}>
+                    <SanitizedHTML html={getStr(value)} />
+                  </div>
+                ),
+                width: measureGridWidth(
+                  rows.map(r => `${r[val as keyof Source]}`),
+                ),
+              }) satisfies GridColDef<(typeof rows)[0]>,
+          ),
+        ]}
+        sortModel={
+          [
+            /* we control the sort as a controlled component using
+             * onSortModelChange */
+          ]
+        }
+        onSortModelChange={args => {
+          const sort = args[0]
+          // this idx%2 flip flops the sorting order, we could inspect args
+          // for sort direction asc or desc but this is just a simplified
+          // thing since we are controlling sort instead of the default data
+          // grid sort anyways
+          const idx = (currSort.idx + 1) % 2
+          const field = sort!.field || currSort.field
+          setCurrSort({ idx, field })
+          onChange(
+            field
+              ? [...rows].sort((a, b) => {
+                  const aa = getStr(a[field as keyof Source])
+                  const bb = getStr(b[field as keyof Source])
+                  return idx === 1 ? aa.localeCompare(bb) : bb.localeCompare(aa)
+                })
+              : rows,
+          )
+        }}
+      />
+    </div>
+  )
+}
diff --git a/plugins/variants/src/shared/SourcesGrid.tsx b/plugins/variants/src/shared/SourcesGrid.tsx
index a862e6f0b2..731dff26fa 100644
--- a/plugins/variants/src/shared/SourcesGrid.tsx
+++ b/plugins/variants/src/shared/SourcesGrid.tsx
@@ -1,30 +1,9 @@
 import { useState } from 'react'
 
-import { SanitizedHTML } from '@jbrowse/core/ui'
-import ColorPicker from '@jbrowse/core/ui/ColorPicker'
-import { getStr, measureGridWidth } from '@jbrowse/core/util'
-
-import { DataGrid } from '@mui/x-data-grid'
-import { makeStyles } from 'tss-react/mui'
-
-import type { Source } from '../types'
-import type { GridColDef } from '@mui/x-data-grid'
+import SourcesDataGrid from './SourcesDataGrid'
 import SourcesGridHeader from './SourcesGridHeader'
 
-// icons
-
-const useStyles = makeStyles()({
-  cell: {
-    whiteSpace: 'nowrap',
-    overflow: 'hidden',
-    textOverflow: 'ellipsis',
-  },
-})
-
-interface SortField {
-  idx: number
-  field: string | null
-}
+import type { Source } from '../types'
 
 function SourcesGrid({
   rows,
@@ -35,20 +14,7 @@ function SourcesGrid({
   onChange: (arg: Source[]) => void
   showTips: boolean
 }) {
-  const { classes } = useStyles()
   const [selected, setSelected] = useState([] as string[])
-  const {
-    id: _id,
-    name: _name,
-    color: _color,
-    baseUri: _baseUri,
-    HP: _HP,
-    ...rest
-  } = rows[0]!
-  const [currSort, setCurrSort] = useState<SortField>({
-    idx: 0,
-    field: null,
-  })
 
   return (
     <div>
@@ -58,86 +24,11 @@ function SourcesGrid({
         showTips={showTips}
         onChange={onChange}
       />
-      <div style={{ height: 400, width: '100%' }}>
-        <DataGrid
-          getRowId={row => row.name}
-          checkboxSelection
-          disableRowSelectionOnClick
-          onRowSelectionModelChange={arg => {
-            setSelected(arg as string[])
-          }}
-          rows={rows}
-          rowHeight={25}
-          columnHeaderHeight={33}
-          columns={[
-            {
-              field: 'color',
-              headerName: 'Color',
-              renderCell: params => {
-                const { value, id } = params
-                return (
-                  <ColorPicker
-                    color={value || 'blue'}
-                    onChange={c => {
-                      const elt = rows.find(f => f.name === id)
-                      if (elt) {
-                        elt.color = c
-                      }
-                      onChange([...rows])
-                    }}
-                  />
-                )
-              },
-            },
-            {
-              field: 'name',
-              headerName: 'Name',
-              width: measureGridWidth(rows.map(r => r.name)),
-            },
-            ...Object.keys(rest).map(
-              val =>
-                ({
-                  field: val,
-                  renderCell: ({ value }) => (
-                    <div className={classes.cell}>
-                      <SanitizedHTML html={getStr(value)} />
-                    </div>
-                  ),
-                  width: measureGridWidth(
-                    rows.map(r => `${r[val as keyof Source]}`),
-                  ),
-                }) satisfies GridColDef<(typeof rows)[0]>,
-            ),
-          ]}
-          sortModel={
-            [
-              /* we control the sort as a controlled component using
-               * onSortModelChange */
-            ]
-          }
-          onSortModelChange={args => {
-            const sort = args[0]
-            // this idx%2 flip flops the sorting order, we could inspect args
-            // for sort direction asc or desc but this is just a simplified
-            // thing since we are controlling sort instead of the default data
-            // grid sort anyways
-            const idx = (currSort.idx + 1) % 2
-            const field = sort!.field || currSort.field
-            setCurrSort({ idx, field })
-            onChange(
-              field
-                ? [...rows].sort((a, b) => {
-                    const aa = getStr(a[field as keyof Source])
-                    const bb = getStr(b[field as keyof Source])
-                    return idx === 1
-                      ? aa.localeCompare(bb)
-                      : bb.localeCompare(aa)
-                  })
-                : rows,
-            )
-          }}
-        />
-      </div>
+      <SourcesDataGrid
+        rows={rows}
+        onChange={onChange}
+        setSelected={setSelected}
+      />
     </div>
   )
 }
diff --git a/plugins/variants/src/types.ts b/plugins/variants/src/types.ts
index 558a3ee531..7904e918c2 100644
--- a/plugins/variants/src/types.ts
+++ b/plugins/variants/src/types.ts
@@ -5,6 +5,7 @@ export interface Source {
   color?: string
   group?: string
   HP?: number
+  id?: string
   [key: string]: unknown
 }