Link, ?Enum. Hort. Berol. Alt. 1: 182. 1821.?, 1821.

Link and Link, ?Enum. Hort. Berol. Alt. 1: 188. 1821.?, 1821.

Link and Link, ?Enum. Hort. Berol. Alt. 1: 186. 1821.?, 1821.

Link, ?Enum. Hort. Berol. Alt. 1: 187. 1821.?, 1821.

Link, ?Enum. Hort. Berol. Alt. 1: 180. 1821 [16 Mar-30 Jun 1821]?, 1821.

Link and Link, ?Enum. Hort. Berol. Alt. 1: 181. 1821 [16 Mar-30 Jun 1821]?, 1821.

Link, ?Enum. Hort. Berol. Alt. 1: 178. 1821 [16 Mar-30 Jun 1821]?, 1821.

Link and ex Link, L., ?Enum. Hort. Berol. Alt. 1: 179. 1821 [16 Mar-30 Jun 1821]?, 1821.

Link, ?Enum. Hort. Berol. Alt. 1: 177. 1821 [16 Mar-30 Jun 1821]?, 1821.

Link, Link,, Link,, Link,, Link,, and Link, ?Enum. Hort. Berol. Alt. 1: 190. 1821 [16 Mar-30 Jun 1821]?, 1821.