A reference was omitted in Development137, 3911-3920.

In the first sentence on p. 3912, a paper by Jeong et al. (Jeong et al., 1999) should have been cited.

The authors apologise to readers for this mistake.

Jeong
S.
,
Trotochaud
A. E.
,
Clark
S. E.
(
1999
).
The Arabidopsis CLAVATA2 gene encodes a receptor-like protein required for the stability of the CLAVATA1 receptor-like kinase
.
Plant Cell
11
,
1925
-
1933
.