diff --git a/public/app.js b/public/app.js
index 75ab9f1..0d3d1a3 100644
--- a/public/app.js
+++ b/public/app.js
@@ -342,8 +342,50 @@
         return [results, checklist]
     }
 
+    function makePieChart (value) {
+        const $container = new DocumentFragment()
+        const $chart = document.createElement('span')
+        $chart.setAttribute('style', `
+            width: 1.5em;
+            height: 1.5em;
+            border-radius: 100%;
+            display: inline-block;
+            vertical-align: bottom;
+            background: conic-gradient(black 0%, black 0% ${value * 100}%, #989d89 ${value * 100}% 100%);
+        `.trim().replace(/\s+/g, ' '))
+        $container.append($chart, ` ${(value * 100).toFixed()}%`)
+        return $container
+    }
+
     async function openCoverageDialog (result, checklist) {
-        const missing = checklist.filter(taxon => !DATA.gbif[taxon.name] || !DATA.gbif[taxon.name].some(id => id.startsWith(result._resource.id)))
+        const matching = []
+        const missing = []
+
+        for (const taxon of checklist) {
+            const matched = DATA.gbif[taxon.name] && DATA.gbif[taxon.name].some(id => id.startsWith(result._resource.id))
+            if (matched) {
+                matching.push(taxon)
+            } else {
+                missing.push(taxon)
+            }
+        }
+
+        document.getElementById('species_count').textContent = (result.species_ratio * checklist.length).toFixed(0)
+        document.getElementById('species_total').textContent = checklist.length
+        document.getElementById('species_ratio').replaceChildren(makePieChart(result.species_ratio))
+        document.getElementById('observation_ratio').replaceChildren(makePieChart(result.observation_ratio))
+
+        const $matching = document.getElementById('matching_taxa')
+        empty($matching)
+
+        for (const taxon of matching) {
+            const $taxon = document.createElement('li')
+            const $taxonLink = document.createElement('a')
+            $taxonLink.setAttribute('href', `https://gbif.org/species/${taxon.name}`)
+            $taxonLink.textContent = taxon.displayName || taxon.name
+            $taxon.appendChild($taxonLink)
+            $matching.appendChild($taxon)
+        }
 
         const $missing = document.getElementById('missing_taxa')
         empty($missing)
@@ -357,7 +399,8 @@
             $missing.appendChild($taxon)
         }
 
-        $missing.closest('dialog').showModal()
+        const $dialog = $missing.closest('dialog')
+        $dialog.showModal()
     }
 
     const DATA = {}
@@ -546,19 +589,8 @@
             // COLUMN 3
             const $coverageColumn = document.createElement('div')
             if (!isNaN(result.species_ratio)) {
-                const value = result.species_ratio
                 const $coverage = document.createElement('div')
-                const span = document.createElement('span')
-                span.setAttribute('style', `
-                    width: 1.5em;
-                    height: 1.5em;
-                    border-radius: 100%;
-                    display: inline-block;
-                    vertical-align: bottom;
-                    background: conic-gradient(black 0%, black 0% ${value * 100}%, #989d89 ${value * 100}% 100%);
-                `.trim().replace(/\s+/g, ' '))
-                $coverage.appendChild(span)
-                $coverage.append(` ${(value * 100).toFixed()}%`)
+                $coverage.appendChild(makePieChart(result.species_ratio))
                 $coverage.addEventListener('click', event => {
                     event.stopPropagation()
                     openCoverageDialog(result, checklist)
diff --git a/public/index.html b/public/index.html
index 27f07fb..ef11da0 100644
--- a/public/index.html
+++ b/public/index.html
@@ -87,10 +87,27 @@ <h2>Find identification resources</h2>
         </main>
 
         <dialog>
-            <h3>Missing taxa</h3>
-
-            <ol id="missing_taxa">
-            </ol>
+            <h3>Taxonomic coverage</h3>
+
+            <p>
+                This resource includes <span id="species_count"></span> of the expected <span id="species_total"></span> species,
+                meaning <span id="species_ratio"></span>.
+            </p>
+            <p>Scaled by observations, this covers <span id="observation_ratio"></span> of observations.</p>
+
+            <details>
+                <summary>Matching taxa</summary>
+                <ol id="matching_taxa">
+                </ol>
+            </details>
+
+            <details>
+                <summary>Missing taxa</summary>
+                <ol id="missing_taxa">
+                </ol>
+            </details>
+
+            <br>
 
             <form method="dialog">
                 <button>Close</button>
diff --git a/public/main.css b/public/main.css
index 40e9495..abfbdfe 100644
--- a/public/main.css
+++ b/public/main.css
@@ -30,6 +30,11 @@ body > main > * {
   max-width: none;
 }
 
+details > * {
+  max-height: 14em;
+  overflow: auto;
+}
+
 @media screen and (max-width: 1058px) {
   body > main {
     grid-template-rows: auto auto auto;