HYBRIDIZATION IN COSTA RICAN POLYSTICHUM

[1] [Anonymous], 1981, POLYPODIACEAE FIELDI

[2] BARRINGTON DS, 1985, SYST BOT, V10

[3] Christensen C., 1906, INDEX FILICUM

[4] HOOKER WJ, 1862, SPECIES FILICUM, V1

[5] KUHN M, 1869, ABH NATURFORSCH GES, V11, P25

[6] Linnaeus C., 1753, SPECIES PLANTARUM

[7] Lovis J.D., 1978, ADV BOT RES, V4, P229

[8] Mettenius G., 1858, EINIGE FARNGATTUNGEN, VIV

[9] Smith AR., 1981, FLORA CHIAPAS

[1] [Anonymous], 1981, POLYPODIACEAE FIELDI

[2] BARRINGTON DS, 1985, SYST BOT, V10

[3] Christensen C., 1906, INDEX FILICUM

[4] HOOKER WJ, 1862, SPECIES FILICUM, V1

[5] KUHN M, 1869, ABH NATURFORSCH GES, V11, P25

[6] Linnaeus C., 1753, SPECIES PLANTARUM

[7] Lovis J.D., 1978, ADV BOT RES, V4, P229

[8] Mettenius G., 1858, EINIGE FARNGATTUNGEN, VIV

[9] Smith AR., 1981, FLORA CHIAPAS