Dear Jorge, For what its worth, both GRIN and The Plant List consider both to be accepted names.
http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?17250 : GRIN Taxonomy for Plants GRIN Species Records of Ceratopteris ***Please tell us why you value GRIN Taxonomy*** 2. Ceratopteris richardii Brongn. 3. Ceratopteris thalictroides (L.) Brongn. Synonyms: o (≡) Acrostichum thalictroides L. The Plant List: http://www.theplantlist.org/tpl1.1/search?q=Ceratopteris Ceratopteris richardii Brongn. Accepted TRO 2012-04-18 Ceratopteris thalictroides (L.) Brongn. Accepted TRO 2012-04-18 Keith Keith E. Clancy, Ph.D Identifier/Botanist USDA, APHIS, PPQ Plant Inspection Station 230-59 Int'l Airport Center Blvd. Suite 100, Room 109 Jamaica, NY 11413 Office: 718 553-3500 Fax: 718-553-3510 [email protected] -----Original Message----- From: Ecological Society of America: grants, jobs, news [mailto:[email protected]] On Behalf Of Jorge A. Santiago-Blay Sent: Thursday, July 24, 2014 8:41 AM To: [email protected] Subject: [ECOLOG-L] C-fern: Ceratopteris richardii or C. thaalictroides? Dear Ecolog-Listers: Can someone tell me the currently accepted scientific name of C-fern: *Ceratopteris richardii* or* C. thaalictroides*? I have consulted several sources and there seems to be disagreement on the matter. If you have an answer, please email me directly at [email protected]. Thank you. Sincerely, Jorge Jorge A. Santiago-Blay, PhD blaypublishers.com http://blayjorge.wordpress.com/ http://paleobiology.si.edu/staff/individuals/santiagoblay.html This electronic message contains information generated by the USDA solely for the intended recipients. Any unauthorized interception of this message or the use or disclosure of the information it contains may violate the law and subject the violator to civil or criminal penalties. If you believe you have received this message in error, please notify the sender and delete the email immediately.
