Aquatic and wetland plants of southwestern United States (1972) (19560299650)
Title: Aquatic and wetland plants of southwestern United States
Identifier: aquaticwetlandpl00corr (find matches)
Year: 1972 (1970s)
Authors: Correll, Donovan Stewart, 1908-; Correll, Helen B
Subjects: Aquatic plants -- Southwestern States; Wetland plants -- Southwestern States
Publisher: [Washington Environmental Protection Agency; [For sale by the Supt. of Docs. , U. S. Govt. Print. Off. ]]
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library
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Fig. 20: Thelypteris paliistris: a, upper part of frond, X 1/2; b, rootstock, X 1/2; c, pinnae showing one fertile pinnule, X 5; d, sporangia before spores are released, X 10; e, sporangia after rupturing and releasing spores, X 10, (V.F.).
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ThelypterisThelypteris ist eine Pflanzengattung in der Familie der Sumpffarngewächse (Thelypteridaceae). Die früher bis zu etwa 875 Arten, je nachdem wie eng man die Arten definiert, kommen weltweit in den gemäßigten bis tropischen Gebieten vor. Es gibt nur noch zwei oder drei Arten in der Gattung Thelypteris s. str., die fast weltweit vorkommen. .. weiterlesen