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Übersicht Pflanzen
Abteilungen

The Botanical System of the Plants
Das Botanisches System der Pflanzen
Friedrich A. Lohmueller

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Overview Plants
Divisions

Species: ~ 30 ?
Subgenus Alnus:

• Alnus acuminata — (Andean alder). - Andes Mountains, South America.
• Alnus cordata — (Italian alder). - Italy.
• Alnus cremastogyne
• Alnus firma Siebold & Zucc. — (Kyushu) Japan.
• Alnus glutinosa (L.) Gaertn. — (black alder - Schwarz-Erle). Europe.
• Alnus incana — (grey alder). Eurasia.
• Alnus hirsuta (A. incana subsp. hirsuta) — (Manchurian alder). Northeastern Asia, and central Asia in mountains.
• Alnus japonica (Thunb.) Steud. — (Japanese alder - Japanische Erle). Japan.
• Alnus jorullensis — (Mexican alder). Mexico, Guatemala.
• Alnus mandshurica — Russian Far East, China, Korea.
• Alnus matsumurae — (Honshu) Japan.
• Alnus nepalensis — (Nepalese alder). Eastern Himalaya, southwest China.
• Alnus orientalis — (oriental alder). Southern Turkey, northwest Syria, Cyprus.
• Alnus oblongifolia (A. incana subsp. oblongifolia) — (Arizona alder). Southwestern North America.
• Alnus pendula — Japan, Korea.
• Alnus rhombifolia — (white alder). Interior western North America.
• Alnus rubra — (red alder). West coastal North America.
• Alnus rugosa (A. incana subsp. rugosa) — (speckled alder). Northeastern North America.
• Alnus serrulata — (Hazel alder), Tag Alder or Smooth alder. Eastern North America.
• Alnus sieboldiana — (Honshu) Japan.
• Alnus subcordata — (Caucasian alder). Caucasus, Iran.
• Alnus tenuifolia (A. incana subsp. tenuifolia) — (thinleaf or mountain alder). Northwestern North America.
• Alnus trabeculosa — China, Japan.

Subgenus Clethropsis:

• Alnus formosana — (Formosan alder) Taiwan
• Alnus maritima — (Seaside alder). East coastal North America, plus disjunct population in Oklahoma.
• Alnus nitida — (Himalayan alder). Western Himalaya.

Subgenus Alnobetula:

• Alnus viridis — (green alder - Grün-Erle).
• Alnus viridis subsp. viridis Eurasia.
• Alnus viridis subsp. maximowiczii (A. maximowiczii). Japan.
• Alnus viridis subsp. crispa (A. crispa). Northern North America.
• Alnus viridis subsp. sinuata (A. sinuata), (Sitka alder or Slide alder). Western North America, far northeastern Siberia.