diff --git a/src/boot/fe/ast.ml b/src/boot/fe/ast.ml
index efb64e50c98..54c48f7d090 100644
--- a/src/boot/fe/ast.ml
+++ b/src/boot/fe/ast.ml
@@ -348,8 +348,7 @@ and pexp' =
   | PEXP_custom of name * (pexp array) * (string option)
 
 and plval =
-    PLVAL_ident of ident
-  | PLVAL_app of (ident * (ty array))
+    PLVAL_base of name_base
   | PLVAL_ext_name of (pexp * name_component)
   | PLVAL_ext_pexp of (pexp * pexp)
   | PLVAL_ext_deref of pexp
@@ -555,8 +554,7 @@ let sane_name (n:name) : bool =
 
 let rec plval_is_atomic (plval:plval) : bool =
   match plval with
-      PLVAL_ident _
-    | PLVAL_app _ -> true
+      PLVAL_base _ -> true
 
     | PLVAL_ext_name (p, _) ->
         pexp_is_atomic p
@@ -1039,10 +1037,7 @@ and fmt_pexp (ff:Format.formatter) (pexp:pexp) : unit =
 
 and fmt_plval (ff:Format.formatter) (plval:plval) : unit =
   match plval with
-      PLVAL_ident id -> fmt_ident ff id
-    | PLVAL_app (id, tys) ->
-        fmt_ident ff id;
-        fmt_bracketed_arr_sep "[" "]" "," fmt_ty ff tys
+      PLVAL_base nb -> fmt_name_base ff nb
 
     | PLVAL_ext_name (pexp, nc) ->
         fmt_pexp ff pexp;
diff --git a/src/boot/fe/cexp.ml b/src/boot/fe/cexp.ml
index ac05105ea19..5ec174184b6 100644
--- a/src/boot/fe/cexp.ml
+++ b/src/boot/fe/cexp.ml
@@ -520,7 +520,7 @@ and eval_pexp (env:env) (exp:Ast.pexp) : pval =
             | _ -> bug () "Unexpected unop in Cexp.eval_pexp"
         end
 
-    | Ast.PEXP_lval (Ast.PLVAL_ident ident) ->
+    | Ast.PEXP_lval (Ast.PLVAL_base (Ast.BASE_ident ident)) ->
         begin
           match ltab_search !(env.env_bindings) ident with
               None -> raise (err (Printf.sprintf "no binding for '%s' found"
diff --git a/src/boot/fe/pexp.ml b/src/boot/fe/pexp.ml
index 58a6447430d..ec4053c6063 100644
--- a/src/boot/fe/pexp.ml
+++ b/src/boot/fe/pexp.ml
@@ -559,13 +559,13 @@ and parse_bottom_pexp (ps:pstate) : Ast.pexp =
                          (Some COMMA) parse_ty) ps
                   in
                   let bpos = lexpos ps in
-                    span ps apos bpos (Ast.PEXP_lval (Ast.PLVAL_app (i, tys)))
+                    span ps apos bpos (Ast.PEXP_lval (Ast.PLVAL_base (Ast.BASE_app (i, tys))))
                 end
 
             | _ ->
                 begin
                   let bpos = lexpos ps in
-                    span ps apos bpos (Ast.PEXP_lval (Ast.PLVAL_ident i))
+                    span ps apos bpos (Ast.PEXP_lval (Ast.PLVAL_base (Ast.BASE_ident i)))
                 end
         end
 
@@ -960,13 +960,8 @@ let rec desugar_lval (ps:pstate) (pexp:Ast.pexp)
   let (apos, bpos) = (s.lo, s.hi) in
     match pexp.node with
 
-        Ast.PEXP_lval (Ast.PLVAL_ident ident) ->
-          let nb = span ps apos bpos (Ast.BASE_ident ident) in
-            ([||], Ast.LVAL_base nb)
-
-      | Ast.PEXP_lval (Ast.PLVAL_app (ident, tys)) ->
-          let nb = span ps apos bpos (Ast.BASE_app (ident, tys)) in
-            ([||], Ast.LVAL_base nb)
+        Ast.PEXP_lval (Ast.PLVAL_base nb) ->
+            ([||], Ast.LVAL_base (span ps apos bpos nb))
 
       | Ast.PEXP_lval (Ast.PLVAL_ext_name (base_pexp, comp)) ->
           let (base_stmts, base_atom) = desugar_expr_atom ps base_pexp in
diff --git a/src/boot/me/resolve.ml b/src/boot/me/resolve.ml
index 3c355c1cebf..cb40dfc924c 100644
--- a/src/boot/me/resolve.ml
+++ b/src/boot/me/resolve.ml
@@ -492,9 +492,9 @@ let type_resolving_visitor
     inner.Walk.visit_pexp_post p;
     let rebuild_plval pl =
       match pl with
-          Ast.PLVAL_ident _ -> pl
-        | Ast.PLVAL_app (id, tys) ->
-            Ast.PLVAL_app (id, Array.map resolve_ty tys)
+          Ast.PLVAL_base (Ast.BASE_app (id, tys)) ->
+            Ast.PLVAL_base (Ast.BASE_app (id, Array.map resolve_ty tys))
+        | Ast.PLVAL_base _ -> pl
         | Ast.PLVAL_ext_name (pexp, nc) ->
             let pexp = get_rebuilt_pexp pexp in
             let nc =
@@ -668,8 +668,8 @@ let lval_base_resolving_visitor
         Ast.PEXP_lval pl ->
           begin
             match pl with
-                (Ast.PLVAL_ident ident)
-              | (Ast.PLVAL_app (ident, _)) ->
+                (Ast.PLVAL_base (Ast.BASE_ident ident))
+              | (Ast.PLVAL_base (Ast.BASE_app (ident, _))) ->
                   let id = lookup_defn_by_ident p.id ident in
 
                     iflog cx
diff --git a/src/boot/me/semant.ml b/src/boot/me/semant.ml
index 01457454003..0d350bc5e47 100644
--- a/src/boot/me/semant.ml
+++ b/src/boot/me/semant.ml
@@ -579,10 +579,8 @@ let rec lval_to_name (lv:Ast.lval) : Ast.name =
 
 let rec plval_to_name (pl:Ast.plval) : Ast.name =
   match pl with
-      Ast.PLVAL_ident ident ->
-        Ast.NAME_base (Ast.BASE_ident ident)
-    | Ast.PLVAL_app (ident, tys) ->
-        Ast.NAME_base (Ast.BASE_app (ident, tys))
+      Ast.PLVAL_base nb ->
+        Ast.NAME_base nb
     | Ast.PLVAL_ext_name ({node = Ast.PEXP_lval pl}, nc) ->
         Ast.NAME_ext (plval_to_name pl, nc)
     | _ -> bug () "plval_to_name with plval that contains non-name components"
@@ -1431,8 +1429,7 @@ let rec pexp_is_const (cx:ctxt) (pexp:Ast.pexp) : bool =
 
 and plval_is_const (cx:ctxt) (plval:Ast.plval) : bool =
   match plval with
-    Ast.PLVAL_ident _
-  | Ast.PLVAL_app _ ->
+    Ast.PLVAL_base _ ->
       bug () "Semant.plval_is_const on plval base"
 
   | Ast.PLVAL_ext_name (pexp, _) ->
diff --git a/src/boot/me/walk.ml b/src/boot/me/walk.ml
index 73bb3dffe9f..eb469dfbc00 100644
--- a/src/boot/me/walk.ml
+++ b/src/boot/me/walk.ml
@@ -631,9 +631,9 @@ and walk_plval
     : unit =
   let children _ =
     match p with
-        Ast.PLVAL_ident _ -> ()
-      | Ast.PLVAL_app (_, tys) ->
+      | Ast.PLVAL_base (Ast.BASE_app (_, tys)) ->
           Array.iter (walk_ty v) tys
+      | Ast.PLVAL_base _ -> ()
       | Ast.PLVAL_ext_name (pexp, _) ->
           walk_pexp v pexp
       | Ast.PLVAL_ext_pexp (a, b) ->