| WebNameShort | |
| Amphora acuta var. labyrinthica (Grunow in Cleve & Grunow) Cleve 1895 |
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| Amphora acutiuscula var. constricta (Grunow) Cleve 1895 |
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| Amphora acutiuscula var. subconstricta (Grunow) Cleve 1895 |
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| Amphora alata var. aptera Cleve 1895 |
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| Amphora alata var. major Cleve 1895 |
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| Amphora angulosa var. lyrata ‘Van Heurck’ according to Cleve 1895 |
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| Amphora angusta var. diducta (Schmidt in Schmidt et al.) Cleve 1895 |
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| Amphora angusta var. eulensteinii (Grunow in Schmidt et al.) Cleve 1895 |
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| Amphora angusta var. incurvata (Brun) Cleve 1895 |
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| Amphora angusta var. minuta (Grunow in Schmidt et al.) Cleve 1895 |
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| Amphora angusta var. oblongella (Grunow) Cleve 1895 |
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| Amphora angusta var. typica Cleve 1895 |
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| Amphora angusta var. ventricosa (Gregory) Cleve 1895 |
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| Amphora angusta var. zebrina (Schmidt in Schmidt et al.) Cleve 1895 |
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| Amphora antiqua Cleve & Grove in Cleve 1895 |
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| Amphora arcus var. sulcata Cleve 1895 |
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| Amphora arcus f. typica Cleve 1895 |
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| Amphora arenaria var. donkinii (Rabenhorst) Cleve 1895 |
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| Amphora arenaria var. rattrayi Cleve 1895 |
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| Amphora arenaria var. typica Cleve 1895 |
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