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  1. Austral Hepaticae XVII. Pachyschistochila Schust. et Engel, gen. nov
    By: Schuster, Rudolf M - Engel, John J
    Type: Article
    In: Phytologia
    Volume: 50
    Issue: 3
    Date: 1982
    Page Range: 177--180
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  2. Austral Hepaticae XX. New species of Hygrolembidium (Lepidoziaceae)
    By: Schuster, Rudolf M - Engel, John J
    Type: Article
    In: Phytologia
    Volume: 62
    Issue: 1
    Date: 1987
    Page Range: 9--12
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  3. Austral Hepaticae. 22. The genus Balantiopsis in New Zealand, with observations on extraterritorial taxa and a phylogeny of Balantiopsis and the family Balantiopsaceae (Jungermanniales)
    By: Engel, John J - Merrill, G L Smith
    Type: Article
    In: Fieldiana Botany
    Volume: 37
    Date: 1997-01-31
    Page Range: 1--62
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  4. Austral Hepaticae. 32. a revision of the genus Lepidozia (Hepaticae) for New Zealand
    By: Engel, John J - Schuster, Rudolf M
    Type: Article
    In: Fieldiana Botany
    Volume: 42
    Date: 2001-08-31
    Page Range: 1--107
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  5. Falkland Islands (Islas Malvinas) Hepaticae and Anthocerotophyta: a taxonomic and phytogeographic study
    By: Engel, John J
    Type: Article
    In: Fieldiana Botany
    Volume: 25
    Date: 1990-11-30
    Page Range: 1--209
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  6. Haplomitrium Monoicum, A Remarkable New Species of Calobryales (Hepaticae) from New Caledonia, Together with a Reclassification of Subg. Haplomitrium
    By: Engel, John J
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 68
    Date: 1981
    Page Range: 668--676
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  7. Psiloclada major (Schust.) Engel, comb. nov. (Hepaticae) from New Zealand
    By: Engel, John J
    Type: Article
    In: Phytologia
    Volume: 58
    Issue: 5
    Date: 1985
    Page Range: 324
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