New Zealand Journal of Botany 1980 vol. 18

• Vegetation on heated soils at Karapiti, central North Island, New Zealand, and its relation to ground temperature pp.1-13
• Botanical features of Motutapu, Motuihe, and Motukorea, Hauraki Gulf, New Zealand pp.15-36
• Hybrid asteliads (Liliaceae) pp.37-42
• Natural hybridism in Pseudowintera (Winteraceae) pp.43-51
• Floristic notes for the region between the Taramakau and Haast Rivers, Westland, New Zealand pp.53-9
• Lichens from the summit of Hirakimata, Great Barrier Island, New Zealand pp.61-4
• New Zealand Fungi 27. New species of Guedea, Hadrosporium, and Helminthosporium* pp.65-72
• The genus Pythium in New Zealand pp.73-102
• Sexual strategies in plants. III. A quantitative method for describing the gender of plants pp.103-8
• Sexual strategies in plants. IV. The distributions of gender in two monomorphic shrub populations pp.109-14
• Aciphylla trifoliolata Petrie and A. stannensis sp. nov. pp.115-20
• Sex ratios in New Zealand apioid Umbelliferae pp.121-6
• A taxonomic revision of Celmisia coriacea (Forst.f.) Hook.f. and its immediate allies (Astereae-Compositae) pp.127-40
• New plant records from Northland, New Zealand pp.141-3
• Further notes on Doodia, Grammitis, and Blechnum (Filicales) pp.145-7
• Dacty/anthus taylori: in North-West Nelson, New Zealand? pp.149-52
• Book Review pp.153-4
• Book Review pp.155
• Book Review pp.157
• New Zealand Fungi 29. Rhinocladium Sacc. et March. pp.163-72
• Fungi Agaricini Novazelandiae VIII. Phaeomarasmius Scherffel and Flammulaster Earle* pp.173-82
• Fungi Agaricini Novazelandiae IX. Lepiotula (Maire) Locquin ex Horak pp.183-8
• Fungi Agaricini Novazelandiae X. Simocybe Karsten pp. 189-96
• First report of the natural occurrence of Pyrenopeziza brassicae Sutton et Rawlinson, the apothecial state of Cylindrosporium concentricum Greville, in brassica crops in New Zealand pp.197-202
• Parthenogenetic diploidy and egg transformation induced by irradiated pollen in Nicotians pp.203-1
• Micropropagation method for a hybrid willow [Salix matsudana x alba NZ-1002) pp.209-14
• Hybrids between Trifolium ambiguum and T. hybridum obtained with the aid of embryo culture pp.15-20
• Primary succession in Westland National Park and its vicinity, New Zealand pp.221-32
• Responses of Leptospermum scoparium and L. ericoides (Myrtaceae) to waterlogging pp.233-46
• A provisional survey of the interaction between net photosynthetic rate, respiratory rate, and thallus water content in some New Zealand cryptogams pp.247-56
• The influx of potential macrofossils into Lady Lake, north Westland, New Zealand pp.257-74
• Modern pollen rain and Aranuian vegetation from Lady Lake, north Westland, New Zealand pp.275-84
• Parahebe catarractae (Scrophulariaceae): infraspecific taxonomy pp.285-98
• Observations on some chemical parameters and the phytoplankton of five west coast dune lakes in Northland, New Zealand pp.299-320
• Long-distance dispersal of plant macrofossils pp.321-22
• The correct author citation for Rytidosperma tenuius pp.323
• New Zealand Fungi 30. Cirrosporium novae-zelandiae gen. nov., sp. nov. pp.329-33
• New graminicolous rust fungi, Puccinia rara sp. nov. and P. polypogonobia sp. nov. pp.335-7
• Pollen nuclei after ionising irradiation for egg transformation in Nicotian a pp.339-41
• The status of New Zealand Actinotus (Umbelliferae) pp.343-5
• New and significant plant distribution records from northern New Zealand pp.347-51
• Some studies on the New Zealand species of Botrychium Sw. (Ophioglossaceae) pp.353-66
• A comparative study of Andreaea acutifolia, A. mutabi/is, and A. rupestris pp.367-77
• A record of some coastal marine diatoms from Porirua Harbour, North Island, New Zealand pp.379-403
• Annotated summaries of letters to colleagues by the New Zealand botanist Leonard Cockayne pp.405-32
• Bibliography of the freshwater algae of New Zealand 1849-1980 pp.433-47
• Unilocular anthers in the Carmichaelieae (Papilionaceae) pp.449-50
• Fossil and modern Beilschmiedia (Lauraceae) pollen in New Zealand pp.453-7
• Revision of the fossil tetrad-pollen genus Dicotetradites Couper 1953 pp.459-62
• Checklist of dicotyledons naturalised in New Zealand. 5. Leguminosae pp.463-72
• Phoma rumicicola sp. nov., a cause of leaf spots on Rumex obtusifolius pp.473-6
• Microflora of an arable New Zealand soil pp.477-9
• Knightiella Mull.Arg., a monotypic lichen genus from Australasia pp.481-6
• Germination, establishment, and spread of Soliva valdiviana (Compositae) pp.487-93
• Germination in some New Zealand species of Gent/ana: a preliminary report pp.495-501
• Adiantum hispidulum Swartz and A. pubescens Schkuhr (Adiantaceae: Filicales) in New Zealand pp.503-6
• Wood anatomy of the dicotyledons indigenous to New Zealand 14. Piperaceae pp.507-13
• Ascomycetes of New Zealand 1. Ohleria brasiliensis and its Monodictys anamorph, with notes on taxonomy and systematics of Ohleria and Monodictys pp.515-23
• Xanthoparmelia and Chondropsis (Lichenes) in New Zealand pp.525-52
• Contributions to a chromosome atlas of the New Zealand flora - 20 Celmisia and Damnamenia (Compositae) pp.553-8
• Contributions to a chromosome atlas of the New Zealand flora - 21 Umbelliferae (miscellaneous genera) pp.559-62
• Contributions to a chromosome atlas of the New Zealand flora - 22 Gentiana (Gentianaceae) pp.563-4
• A list of lichens from Jackson Bay, South Westland, New Zealand pp.565-7
• Key to the common Characeae of New Zealand pp.569-70