Paxton, ?Paxtons Mag. Bot. 8: tab. 5. 1841.?, 1841.

Paxton, ?Paxtons Mag. Bot. 5: 269. 1838.?, 1838.

Paxton, ?Paxtons Mag. Bot. 1: t. 31. 1835?.

Paxton, ?Paxtons Mag. Bot.  8: 171. 1841.?.

Paxton, ?Paxtons Mag. Bot. 9: 7. 1842.?.

Paxton, ?Paxtons Mag. Bot.  9: 3. 1842.?.

Paxton, ?Paxtons Mag. Bot.  5: 197.?.

Paxton, ?Paxtons Mag. Bot.  9: 3. 1842?.

Paxton, ?Paxtons Mag. Bot.  4: 241.?.