Reference health
Flowering phenology, pollen flow, and seed production in Marathrum rubrum (Podostemaceae)
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18/18 checkable references clean · checked 2026-07-21
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
8 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 18 checked references that resolve
resolves10.2307/2418821
Aspects of Floral Biology, Breeding System, and Seed and Seedling Biology in Podostemum ceratophyllum (Podostemaceae)
resolves10.2307/2419218
Implications of Pollen/Ovule Ratios and Pollen Size for the Reproductive Biology of Potamogeton and Autogamy in Aquatic Angiosperms
resolves10.1016/0304-3770(92)90045-K
Isozyme variation and population structure in Podostemum ceratophyllum Michx (Podostemaceae): implications for colonization of glaciated North America
resolves10.1016/S0304-3770(96)01121-7
Ovule number, seed number and seed size in Mexican and North American species of Podostemaceae
resolves10.1016/S0304-3770(96)01118-7
Water chemistry and the distribution of Mexican Podostemaceae: a preliminary evaluation
resolves10.1146/annurev.es.13.110182.002433
Pollination by Wind and Animals: Ecology of Geographic Patterns
resolves10.2307/2406479
Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations
The 8 references without a DOI — listed, not checked
no DOI — not checkedGrimm, N.B., 1993. Implications of climate change on stream communities. In: Kareiva, P.M., Kingsolver, J.G., Huey, R.B. (Eds.), Biotic Interactions and Global Change. Sinauer, Sunderland, MA, pp. 293–314
no DOI — not checkedApomixis in higher plants. I. The mechanism of apomixis
no DOI — not checkedHorne, A.J., Goldman, C.R., 1994. Limnology, 2nd ed., McGraw-Hill, New York, p, 576
no DOI — not checkedProctor, M., Yeo, P., Lack, A., 1996. The Natural History of Pollination. Timber Press, Portland, OR, p. 479
no DOI — not checkedRichards, A.J., 1986. Plant Breeding Systems. George Allen and Unwin, London, p. 529
no DOI — not checkedRutishauser, R., Novelo R., A., Philbrick, C.T., Developmental morphology of Mexican Podostemaceae: Marathrum and Vanroyenella. Int. J. Pl. Sci., Submitted for publication
no DOI — not checkedSculthorpe, C.D., 1967. The Biology of Aquatic Vascular Plants. St. Martin's Press, New York, p. 610
no DOI — not checkedSYSTAT, 1992. SYSTAT for the Macintosh, Version 5.2. SYSTAT, Evanston, IL
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work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
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