Carvalho, ?Ann. Missouri Bot. Gard. 78: 243. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 240. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 237. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 235. 1991.?, 1991.

Carvalho and Carvalho, ?Ann. Missouri Bot. Gard. 78: 231. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard 78: 229. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 229. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 226. 1991.?, 1991.

Carvalho, ?Ann. Missouri Bot. Gard. 78: 224. 1991.?, 1991.