diff --git a/hyphae/count.go b/hyphae/count.go
index 5744d6b..4d67c81 100644
--- a/hyphae/count.go
+++ b/hyphae/count.go
@@ -4,7 +4,7 @@ import (
 	"sync"
 )
 
-// Its value is number of all existing hyphae. Hypha mutators are expected to manipulate the value. It is concurrent-safe.
+// Its value is number of all existing hyphae. MediaHypha mutators are expected to manipulate the value. It is concurrent-safe.
 var count = struct {
 	value int
 	sync.Mutex
diff --git a/hyphae/files.go b/hyphae/files.go
index 24d41dd..6d9e25d 100644
--- a/hyphae/files.go
+++ b/hyphae/files.go
@@ -21,9 +21,9 @@ func Index(path string) {
 	for h := range ch {
 		// It's safe to ignore the mutex because there is a single worker right now.
 		if oh := ByName(h.CanonicalName()); oh.DoesExist() {
-			oh.(*Hypha).mergeIn(h.(*Hypha))
+			oh.(*MediaHypha).mergeIn(h.(*MediaHypha))
 		} else {
-			insert(h.(*Hypha))
+			insert(h.(*MediaHypha))
 		}
 	}
 	log.Println("Indexed", Count(), "hyphae")
@@ -49,7 +49,7 @@ func indexHelper(path string, nestLevel uint, ch chan Hypher) {
 		var (
 			hyphaPartPath           = filepath.Join(path, node.Name())
 			hyphaName, isText, skip = mimetype.DataFromFilename(hyphaPartPath)
-			hypha                   = &Hypha{name: hyphaName, Exists: true}
+			hypha                   = &MediaHypha{name: hyphaName, Exists: true}
 		)
 		if !skip {
 			if isText {
diff --git a/hyphae/hyphae.go b/hyphae/hyphae.go
index a2c482f..936ca33 100644
--- a/hyphae/hyphae.go
+++ b/hyphae/hyphae.go
@@ -1,4 +1,4 @@
-// Package hyphae is for the Hypha type, hypha storage and stuff like that. It shall not depend on mycorrhiza modules other than util.
+// Package hyphae is for the MediaHypha type, hypha storage and stuff like that. It shall not depend on mycorrhiza modules other than util.
 package hyphae
 
 import (
@@ -27,8 +27,8 @@ func IsValidName(hyphaName string) bool {
 	return true
 }
 
-// Hypha keeps vital information about a hypha
-type Hypha struct {
+// MediaHypha keeps vital information about a media hypha
+type MediaHypha struct {
 	sync.RWMutex
 
 	name       string // Canonical name
@@ -37,16 +37,16 @@ type Hypha struct {
 	binaryPath string // == "" => no attachment
 }
 
-func (h *Hypha) SetName(s string) { h.name = s }
+func (h *MediaHypha) SetName(s string) { h.name = s }
 
-func (h *Hypha) BinaryPath() string     { return h.binaryPath }
-func (h *Hypha) SetBinaryPath(s string) { h.binaryPath = s }
+func (h *MediaHypha) BinaryPath() string     { return h.binaryPath }
+func (h *MediaHypha) SetBinaryPath(s string) { h.binaryPath = s }
 
-func (h *Hypha) CanonicalName() string {
+func (h *MediaHypha) CanonicalName() string {
 	return h.name
 }
 
-func (h *Hypha) Kind() HyphaKind {
+func (h *MediaHypha) Kind() HyphaKind {
 	if !h.DoesExist() {
 		return HyphaEmpty
 	}
@@ -56,16 +56,16 @@ func (h *Hypha) Kind() HyphaKind {
 	return HyphaText
 }
 
-func (h *Hypha) DoesExist() bool { // TODO: rename
+func (h *MediaHypha) DoesExist() bool { // TODO: rename
 	return h.Exists
 }
 
-func (h *Hypha) HasTextPart() bool {
+func (h *MediaHypha) HasTextPart() bool {
 	return h.TextPath != ""
 }
 
 // TextPartPath returns rooted path to the file where the text part should be.
-func (h *Hypha) TextPartPath() string {
+func (h *MediaHypha) TextPartPath() string {
 	if h.TextPath == "" {
 		return filepath.Join(files.HyphaeDir(), h.name+".myco")
 	}
@@ -73,7 +73,7 @@ func (h *Hypha) TextPartPath() string {
 }
 
 // HasAttachment is true if the hypha has an attachment.
-func (h *Hypha) HasAttachment() bool {
+func (h *MediaHypha) HasAttachment() bool {
 	return h.binaryPath != ""
 }
 
@@ -81,8 +81,8 @@ var byNames = make(map[string]Hypher)
 var byNamesMutex = sync.Mutex{}
 
 // EmptyHypha returns an empty hypha struct with given name.
-func EmptyHypha(hyphaName string) *Hypha {
-	return &Hypha{
+func EmptyHypha(hyphaName string) *MediaHypha {
+	return &MediaHypha{
 		name:       hyphaName,
 		Exists:     false,
 		TextPath:   "",
@@ -105,7 +105,7 @@ func storeHypha(h Hypher) {
 	byNamesMutex.Unlock()
 
 	h.Lock()
-	h.(*Hypha).Exists = true
+	h.(*MediaHypha).Exists = true
 	h.Unlock()
 }
 
@@ -113,7 +113,7 @@ func storeHypha(h Hypher) {
 func insert(h Hypher) (madeNewRecord bool) {
 	hp, recorded := byNames[h.CanonicalName()]
 	if recorded {
-		hp.(*Hypha).mergeIn(h)
+		hp.(*MediaHypha).mergeIn(h)
 	} else {
 		storeHypha(h)
 		incrementCount()
@@ -131,7 +131,7 @@ func InsertIfNew(h Hypher) (madeNewRecord bool) {
 }
 
 // mergeIn merges in content file paths from a different hypha object. Prints warnings sometimes.
-func (h *Hypha) mergeIn(oh Hypher) {
+func (h *MediaHypha) mergeIn(oh Hypher) {
 	if h == oh {
 		return
 	}
@@ -139,7 +139,7 @@ func (h *Hypha) mergeIn(oh Hypher) {
 	if h.TextPath == "" && oh.HasTextPart() {
 		h.TextPath = oh.TextPartPath()
 	}
-	if oh := oh.(*Hypha); oh.Kind() == HyphaMedia {
+	if oh := oh.(*MediaHypha); oh.Kind() == HyphaMedia {
 		if h.binaryPath != "" {
 			log.Println("There is a file collision for attachment of a hypha:", h.binaryPath, "and", oh.binaryPath, "-- going on with the latter")
 		}
diff --git a/hyphae/interface.go b/hyphae/interface.go
index 78e94d0..b704b44 100644
--- a/hyphae/interface.go
+++ b/hyphae/interface.go
@@ -10,7 +10,7 @@ const (
 	HyphaMedia
 )
 
-// Hypher is a temporary name for this interface. The name will become Hypha, once the struct with the said name is deprecated for good.
+// Hypher is a temporary name for this interface. The name will become MediaHypha, once the struct with the said name is deprecated for good.
 type Hypher interface {
 	sync.Locker
 
@@ -37,8 +37,8 @@ func RenameHyphaTo(h Hypher, newName string) {
 	byNamesMutex.Lock()
 	h.Lock()
 	delete(byNames, h.CanonicalName())
-	h.(*Hypha).SetName(newName)
-	byNames[h.CanonicalName()] = h.(*Hypha)
+	h.(*MediaHypha).SetName(newName)
+	byNames[h.CanonicalName()] = h.(*MediaHypha)
 	byNamesMutex.Unlock()
 	h.Unlock()
 }
diff --git a/shroom/delete.go b/shroom/delete.go
index 4721b93..73cb236 100644
--- a/shroom/delete.go
+++ b/shroom/delete.go
@@ -21,7 +21,7 @@ func DeleteHypha(u *user.User, h hyphae.Hypher, lc *l18n.Localizer) (hop *histor
 
 	originalText, _ := FetchTextPart(h)
 	hop.
-		WithFilesRemoved(h.TextPartPath(), h.(*hyphae.Hypha).BinaryPath()).
+		WithFilesRemoved(h.TextPartPath(), h.(*hyphae.MediaHypha).BinaryPath()).
 		WithMsg(fmt.Sprintf("Delete ‘%s’", h.CanonicalName())).
 		WithUser(u).
 		Apply()
diff --git a/shroom/init.go b/shroom/init.go
index a338618..b220a40 100644
--- a/shroom/init.go
+++ b/shroom/init.go
@@ -16,12 +16,12 @@ func init() {
 	globals.HyphaAccess = func(hyphaName string) (rawText, binaryBlock string, err error) {
 		if h := hyphae.ByName(hyphaName); h.DoesExist() {
 			rawText, err = FetchTextPart(h)
-			if h.(*hyphae.Hypha).BinaryPath() != "" {
+			if h := h.(*hyphae.MediaHypha); h.Kind() == hyphae.HyphaMedia {
 				// the view is localized, but we can't pass it, so...
 				binaryBlock = views.AttachmentHTMLRaw(h)
 			}
 		} else {
-			err = errors.New("Hypha " + hyphaName + " does not exist")
+			err = errors.New("MediaHypha " + hyphaName + " does not exist")
 		}
 		return
 	}
diff --git a/shroom/rename.go b/shroom/rename.go
index 5aa1423..2322b6c 100644
--- a/shroom/rename.go
+++ b/shroom/rename.go
@@ -69,7 +69,7 @@ func RenameHypha(h hyphae.Hypher, newHypha hyphae.Hypher, recursive bool, u *use
 		Apply()
 	if len(hop.Errs) == 0 {
 		for _, h := range hyphaeToRename {
-			h := h.(*hyphae.Hypha) // ontology think
+			h := h.(*hyphae.MediaHypha) // ontology think
 			oldName := h.CanonicalName()
 			hyphae.RenameHyphaTo(h, replaceName(h.CanonicalName()))
 			h.Lock()
@@ -100,13 +100,13 @@ func renamingPairs(hyphaeToRename []hyphae.Hypher, replaceName func(string) stri
 			renameMap[h.TextPartPath()] = replaceName(h.TextPartPath())
 		}
 		if h.Kind() == hyphae.HyphaMedia { // ontology think
-			h := h.(*hyphae.Hypha)
+			h := h.(*hyphae.MediaHypha)
 			renameMap[h.BinaryPath()] = replaceName(h.BinaryPath())
 		}
 		h.Unlock()
 	}
 	if firstFailure, ok := hyphae.AreFreeNames(newNames...); !ok {
-		return nil, errors.New("Hypha " + firstFailure + " already exists")
+		return nil, errors.New("MediaHypha " + firstFailure + " already exists")
 	}
 	return renameMap, nil
 }
diff --git a/shroom/unattach.go b/shroom/unattach.go
index 7245f0f..5897e4a 100644
--- a/shroom/unattach.go
+++ b/shroom/unattach.go
@@ -17,7 +17,7 @@ func UnattachHypha(u *user.User, h hyphae.Hypher, lc *l18n.Localizer) (hop *hist
 		hop.WithErrAbort(err)
 		return hop, errtitle
 	}
-	H := h.(*hyphae.Hypha)
+	H := h.(*hyphae.MediaHypha)
 
 	hop.
 		WithFilesRemoved(H.BinaryPath()).
diff --git a/shroom/upload.go b/shroom/upload.go
index bced1e4..f6573aa 100644
--- a/shroom/upload.go
+++ b/shroom/upload.go
@@ -77,7 +77,7 @@ func uploadHelp(h hyphae.Hypher, hop *history.Op, ext string, data []byte, u *us
 		err := errors.New("bad path")
 		return hop.WithErrAbort(err), err.Error()
 	}
-	if h := h.(*hyphae.Hypha); hop.Type == history.TypeEditBinary {
+	if h := h.(*hyphae.MediaHypha); hop.Type == history.TypeEditBinary {
 		sourceFullPath = h.BinaryPath()
 	}
 
@@ -105,7 +105,7 @@ func uploadHelp(h hyphae.Hypher, hop *history.Op, ext string, data []byte, u *us
 		return hop.Abort(), "No changes"
 	}
 	// TODO: test
-	if h := h.(*hyphae.Hypha); hop.Type == history.TypeEditBinary {
+	if h := h.(*hyphae.MediaHypha); hop.Type == history.TypeEditBinary {
 		h.SetBinaryPath(fullPath)
 	} else {
 		h.TextPath = fullPath
diff --git a/tree/tree.go b/tree/tree.go
index f766cc9..5a354b9 100644
--- a/tree/tree.go
+++ b/tree/tree.go
@@ -20,7 +20,7 @@ func findSiblings(hyphaName string) []*sibling {
 		siblingsMap  = make(map[string]bool)
 		siblingCheck = func(h hyphae.Hypher) hyphae.CheckResult {
 			switch {
-			case h.CanonicalName() == hyphaName, // Hypha is no sibling of itself
+			case h.CanonicalName() == hyphaName, // MediaHypha is no sibling of itself
 				h.CanonicalName() == parentHyphaName: // Parent hypha is no sibling of its child
 				return hyphae.CheckContinue
 			}
diff --git a/views/hypha.qtpl b/views/hypha.qtpl
index a5f9a1f..a41621f 100644
--- a/views/hypha.qtpl
+++ b/views/hypha.qtpl
@@ -75,10 +75,10 @@
 </h1>
 {% endfunc %}
 
-{% func AttachmentHTMLRaw(h hyphae.Hypher) %}{%= AttachmentHTML(h, l18n.New("en", "en")) %}{% endfunc %}
+{% func AttachmentHTMLRaw(h *hyphae.MediaHypha) %}{%= AttachmentHTML(h, l18n.New("en", "en")) %}{% endfunc %}
 
-{% func AttachmentHTML(h hyphae.Hypher, lc *l18n.Localizer) %}
-	{% switch filepath.Ext(h.(*hyphae.Hypha).BinaryPath()) %}
+{% func AttachmentHTML(h *hyphae.MediaHypha, lc *l18n.Localizer) %}
+	{% switch filepath.Ext(h.BinaryPath()) %}
 
 	{% case ".jpg", ".gif", ".png", ".webp", ".svg", ".ico" %}
 	<div class="binary-container binary-container_with-img">
diff --git a/views/hypha.qtpl.go b/views/hypha.qtpl.go
index bcad660..8986c92 100644
--- a/views/hypha.qtpl.go
+++ b/views/hypha.qtpl.go
@@ -349,14 +349,14 @@ func NaviTitleHTML(h hyphae.Hypher) string {
 }
 
 //line views/hypha.qtpl:78
-func StreamAttachmentHTMLRaw(qw422016 *qt422016.Writer, h hyphae.Hypher) {
+func StreamAttachmentHTMLRaw(qw422016 *qt422016.Writer, h *hyphae.MediaHypha) {
 //line views/hypha.qtpl:78
 	StreamAttachmentHTML(qw422016, h, l18n.New("en", "en"))
 //line views/hypha.qtpl:78
 }
 
 //line views/hypha.qtpl:78
-func WriteAttachmentHTMLRaw(qq422016 qtio422016.Writer, h hyphae.Hypher) {
+func WriteAttachmentHTMLRaw(qq422016 qtio422016.Writer, h *hyphae.MediaHypha) {
 //line views/hypha.qtpl:78
 	qw422016 := qt422016.AcquireWriter(qq422016)
 //line views/hypha.qtpl:78
@@ -367,7 +367,7 @@ func WriteAttachmentHTMLRaw(qq422016 qtio422016.Writer, h hyphae.Hypher) {
 }
 
 //line views/hypha.qtpl:78
-func AttachmentHTMLRaw(h hyphae.Hypher) string {
+func AttachmentHTMLRaw(h *hyphae.MediaHypha) string {
 //line views/hypha.qtpl:78
 	qb422016 := qt422016.AcquireByteBuffer()
 //line views/hypha.qtpl:78
@@ -382,12 +382,12 @@ func AttachmentHTMLRaw(h hyphae.Hypher) string {
 }
 
 //line views/hypha.qtpl:80
-func StreamAttachmentHTML(qw422016 *qt422016.Writer, h hyphae.Hypher, lc *l18n.Localizer) {
+func StreamAttachmentHTML(qw422016 *qt422016.Writer, h *hyphae.MediaHypha, lc *l18n.Localizer) {
 //line views/hypha.qtpl:80
 	qw422016.N().S(`
 	`)
 //line views/hypha.qtpl:81
-	switch filepath.Ext(h.(*hyphae.Hypha).BinaryPath()) {
+	switch filepath.Ext(h.BinaryPath()) {
 //line views/hypha.qtpl:83
 	case ".jpg", ".gif", ".png", ".webp", ".svg", ".ico":
 //line views/hypha.qtpl:83
@@ -486,7 +486,7 @@ func StreamAttachmentHTML(qw422016 *qt422016.Writer, h hyphae.Hypher, lc *l18n.L
 }
 
 //line views/hypha.qtpl:109
-func WriteAttachmentHTML(qq422016 qtio422016.Writer, h hyphae.Hypher, lc *l18n.Localizer) {
+func WriteAttachmentHTML(qq422016 qtio422016.Writer, h *hyphae.MediaHypha, lc *l18n.Localizer) {
 //line views/hypha.qtpl:109
 	qw422016 := qt422016.AcquireWriter(qq422016)
 //line views/hypha.qtpl:109
@@ -497,7 +497,7 @@ func WriteAttachmentHTML(qq422016 qtio422016.Writer, h hyphae.Hypher, lc *l18n.L
 }
 
 //line views/hypha.qtpl:109
-func AttachmentHTML(h hyphae.Hypher, lc *l18n.Localizer) string {
+func AttachmentHTML(h *hyphae.MediaHypha, lc *l18n.Localizer) string {
 //line views/hypha.qtpl:109
 	qb422016 := qt422016.AcquireByteBuffer()
 //line views/hypha.qtpl:109
diff --git a/views/readers.qtpl b/views/readers.qtpl
index 650c6ac..e1e8524 100644
--- a/views/readers.qtpl
+++ b/views/readers.qtpl
@@ -11,7 +11,7 @@
 {% import "github.com/bouncepaw/mycorrhiza/user" %}
 {% import "github.com/bouncepaw/mycorrhiza/util" %}
 
-{% func AttachmentMenuHTML(rq *http.Request, h *hyphae.Hypha, u *user.User) %}
+{% func AttachmentMenuHTML(rq *http.Request, h *hyphae.MediaHypha, u *user.User) %}
 {% code
 	lc := l18n.FromRequest(rq)
 %}
diff --git a/views/readers.qtpl.go b/views/readers.qtpl.go
index 4c9445b..b0ece8a 100644
--- a/views/readers.qtpl.go
+++ b/views/readers.qtpl.go
@@ -51,7 +51,7 @@ var (
 )
 
 //line views/readers.qtpl:14
-func StreamAttachmentMenuHTML(qw422016 *qt422016.Writer, rq *http.Request, h *hyphae.Hypha, u *user.User) {
+func StreamAttachmentMenuHTML(qw422016 *qt422016.Writer, rq *http.Request, h *hyphae.MediaHypha, u *user.User) {
 //line views/readers.qtpl:14
 	qw422016.N().S(`
 `)
@@ -265,7 +265,7 @@ func StreamAttachmentMenuHTML(qw422016 *qt422016.Writer, rq *http.Request, h *hy
 }
 
 //line views/readers.qtpl:78
-func WriteAttachmentMenuHTML(qq422016 qtio422016.Writer, rq *http.Request, h *hyphae.Hypha, u *user.User) {
+func WriteAttachmentMenuHTML(qq422016 qtio422016.Writer, rq *http.Request, h *hyphae.MediaHypha, u *user.User) {
 //line views/readers.qtpl:78
 	qw422016 := qt422016.AcquireWriter(qq422016)
 //line views/readers.qtpl:78
@@ -276,7 +276,7 @@ func WriteAttachmentMenuHTML(qq422016 qtio422016.Writer, rq *http.Request, h *hy
 }
 
 //line views/readers.qtpl:78
-func AttachmentMenuHTML(rq *http.Request, h *hyphae.Hypha, u *user.User) string {
+func AttachmentMenuHTML(rq *http.Request, h *hyphae.MediaHypha, u *user.User) string {
 //line views/readers.qtpl:78
 	qb422016 := qt422016.AcquireByteBuffer()
 //line views/readers.qtpl:78
diff --git a/views/stuff.qtpl b/views/stuff.qtpl
index a1ac99c..51fec2a 100644
--- a/views/stuff.qtpl
+++ b/views/stuff.qtpl
@@ -266,7 +266,7 @@ sort.Strings(editors)
 		<li class="hypha-list__entry">
 			<a class="hypha-list__link" href="/hypha/{%s hypha.CanonicalName() %}">{%s util.BeautifulName(hypha.CanonicalName()) %}</a>
 			{% if hypha.Kind() == hyphae.HyphaMedia %}
-			<span class="hypha-list__amnt-type">{%s filepath.Ext(hypha.(*hyphae.Hypha).BinaryPath())[1:] %}</span>
+			<span class="hypha-list__amnt-type">{%s filepath.Ext(hypha.(*hyphae.MediaHypha).BinaryPath())[1:] %}</span>
 			{% endif %}
 		</li>
 		{% endfor %}
diff --git a/views/stuff.qtpl.go b/views/stuff.qtpl.go
index 69b8b9a..87d762a 100644
--- a/views/stuff.qtpl.go
+++ b/views/stuff.qtpl.go
@@ -1041,7 +1041,7 @@ func StreamHyphaListHTML(qw422016 *qt422016.Writer, lc *l18n.Localizer) {
 			qw422016.N().S(`
 			<span class="hypha-list__amnt-type">`)
 //line views/stuff.qtpl:269
-			qw422016.E().S(filepath.Ext(hypha.(*hyphae.Hypha).BinaryPath())[1:])
+			qw422016.E().S(filepath.Ext(hypha.(*hyphae.MediaHypha).BinaryPath())[1:])
 //line views/stuff.qtpl:269
 			qw422016.N().S(`</span>
 			`)
diff --git a/web/readers.go b/web/readers.go
index 68f9e4b..e98cef0 100644
--- a/web/readers.go
+++ b/web/readers.go
@@ -47,7 +47,7 @@ func handlerAttachment(w http.ResponseWriter, rq *http.Request) {
 	util.HTTP200Page(w,
 		views.BaseHTML(
 			lc.Get("ui.attach_title", &l18n.Replacements{"name": util.BeautifulName(hyphaName)}),
-			views.AttachmentMenuHTML(rq, h.(*hyphae.Hypha), u),
+			views.AttachmentMenuHTML(rq, h.(*hyphae.MediaHypha), u),
 			lc,
 			u))
 }
@@ -149,7 +149,7 @@ func handlerText(w http.ResponseWriter, rq *http.Request) {
 func handlerBinary(w http.ResponseWriter, rq *http.Request) {
 	util.PrepareRq(rq)
 	hyphaName := util.HyphaNameFromRq(rq, "binary")
-	if h := hyphae.ByName(hyphaName).(*hyphae.Hypha); h.DoesExist() {
+	if h := hyphae.ByName(hyphaName).(*hyphae.MediaHypha); h.DoesExist() {
 		log.Println("Serving", h.BinaryPath())
 		w.Header().Set("Content-Type", mimetype.FromExtension(filepath.Ext(h.BinaryPath())))
 		http.ServeFile(w, rq, h.BinaryPath())
@@ -178,7 +178,7 @@ func handlerHypha(w http.ResponseWriter, rq *http.Request) {
 			openGraph = getOpenGraph()
 		}
 		if h.Kind() == hyphae.HyphaMedia {
-			contents = views.AttachmentHTML(h, lc) + contents
+			contents = views.AttachmentHTML(h.(*hyphae.MediaHypha), lc) + contents
 		}
 	}
 	if contents == "" {