by Hernandez Cerda M.E
Published in Flora de Veracruz (Mexico). no. 14 (1980)

by Jimenez R
Published in Flora de Veracruz (Mexico). no. 11 (1980)

by Moreno N.P
Published in Flora de Veracruz (Mexico). no. 10 (1980)

by Sosa V
Published in Flora de Veracruz (Mexico). no. 8 (1979)

by Nash D.L
Published in Flora de Veracruz (Mexico). no. 5 (1979)

by Gregory D, Riba R
Published in Flora de Veracruz (Mexico). no. 6 (1979)

by Rico Gray V
Published in Flora de Veracruz (Mexico). no. 9 (1979)

by Nash D.L
Published in Flora de Veracruz (Mexico). no. 7 (1979)

by Vasquez Yanes C
Published in Flora de Veracruz (Mexico). no. 12 (1979)

by Sosa V
Published in Flora de Veracruz (Mexico). no. 2 (1978)

by Fay, J.F
Published in Flora de Veracruz (Mexico) (01.08.1980)

by Jimenez, R
Published in Flora de Veracruz (Mexico) (01.05.1980)

by Sosa, V
Published in Flora de Veracruz (Mexico) (01.11.1979)

by Gaos, G
Published in Flora de Veracruz (Mexico) (01.12.1978)

by Ludlow-Wiechers, B
Published in Flora de Veracruz (Mexico) (01.11.1978)

by Sosa, V
Published in Flora de Veracruz (Mexico) (01.04.1978)