selected publications
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article
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Chromosome numbers of Umbelliferae (Apiaceae) from Africa south of the Sahara..
Botanical Journal of the Linnean Society.
65:195-208.
1982
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SEM survey of pollen morphology and classification in Hydrophyllaceae (Waterleaf family)..
American Journal of Botany.
69:40-53.
1982
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Contribution of pollen morphology to systematics of Collomia (Polemoniaceae)..
American Journal of Botany.
65:450-458.
1978
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Chromosome number, polyploidy, and hybridization in Castilleja (Scrophulariaceae) of the Great Basin and Rocky Moutains..
Brittonia.
29:159-172.
1977
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Seed coat morphology in Cordylanthus (Scrophylariaceae) and its taxonomic signifigance..
American Journal of Botany.
59:258-265.
1972
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Chromosome numbers in Umbelliferae. IV..
American Journal of Botany.
58:557-587.
1971
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Observations on root-parasitism in Cordylanthus (Scrophulariaceae)..
American Journal of Botany.
58:218-228.
1971
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Chromosome numbers of the vascular plants of Taiwan. I..
Taiwania.
8:51.
1962
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A systematic anatomical study of the Genus Perideridia (Umbelliferae-Apioideae)..
American Journal of Botany.
57:495-503.
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Chromosome numbers and their systematic significance in some Mexican Melastomataceae..
Systematic Botany.
17:583-593.
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Chromosome numbers in Umbelliferae. V..
American Journal of Botany.
63:608-625.
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Chromosome numbers of New World Acanthaceae.
Systematic Botany.
18:283-289.
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Flavonoid systematics of the genus Perideridia (Umbelliferae)..
Brittonia.
28:177-194.
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Morphology, evolution, and taxonomic significance of the inflorescence in Cordylanthus (Scrophulariaceae)..
American Journal of Botany.
63:272-282.
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Chromosome numbers of Umbelliferae (Apiaceae) from Africa south of the Sahara..
Botanical Journal of the Linnean Society.
65:195-208.
1982
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book
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Systematic and evolution of Cordylanthus (Scrophulariaceae-Pedicularieae)..
Ann Arbor, MI: American Society of Plant Taxonomists.
1986
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A systematic study of Perideridia (Umbelliferae-apioideae)..
Berkeley, CA: University of California Press..
1969
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Umbelliferae of Taiwan..
Taiwan, China: Experimental Forest of National Taiwan University.
1961
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Systematic and evolution of Cordylanthus (Scrophulariaceae-Pedicularieae)..
Ann Arbor, MI: American Society of Plant Taxonomists.
1986
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thesis or dissertation