Monilophytes (ferns): Ophioglossoid Ferns (eusporangiate ferns): Ophioglossales
		
	
	
	
	
						
	
	
	
	
	
	
	
	
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
	
	
		 
		
	
Ophioglossum pycnostichum 	
	
	
		
		
		
	
	 
	 
	FAMILY
	Ophioglossaceae
	
	
	
		 
		 
		
		Go to FSUS key
	
	
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Ophioglossum from the Vascular Plants of North Carolina.
INCLUDED WITHIN
	
	
	
	
	PLANTS NATIONAL DATABASE:
	
			
	
	
	
    
	
	Ophioglossum vulgatum 
	
	
	
	 
	 
	FAMILY
	Ophioglossaceae
	
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Ophioglossum vulgatum
INCLUDED WITHIN Flora of North America
Ophioglossum vulgatum
INCLUDED WITHIN The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)
Ophioglossum vulgatum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 006-02-004:
Ophioglossum vulgatum var. pycnostichum FAMILY Ophioglossaceae
INCLUDED WITHIN Ferns of the Southeastern States (Small, 1938)
Ophioglossum vulgatum
COMMON NAME:
Southern Adder's-tongue
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm180408_1146
April McCormick County SC
Parks Mill
Sporangia fused together in two partially buried rows on erect stalk, per Ferns of the Smokies (Evans, 2005).
	
	
 COMPARE 
Adder's Mouth and Adder's Tongue
Roxanna Martin rlm4910_047
April Spartanburg County SC
Blade is oval, rounded at top with broad, abruptly tapering base, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
Betsy George bmg_39
May Greenville County SC
Ophioglossum's chromosome numbers are the highest known in all vascular plants, per Flora of North America.
JK Marlow jkm110522_677
May Greenville County SC
Firefly Forest
Elusive, 4-10" tall, withering in midsummer, per Peterson Field Guide to Ferns of Northeastern and Central North America.
	
	
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
	
	
		 
		
	
Ophioglossum pycnostichum 	
	
	
		
		
		
	
	 
	 
	FAMILY
	Ophioglossaceae
	
INCLUDED WITHIN
	
	
	PLANTS NATIONAL DATABASE:
	
			
	
	
	
    
	
	
	Ophioglossum vulgatum 
	
	 
	 
	FAMILY
	Ophioglossaceae
	
	INCLUDED WITHIN
	
 
	Floristic Synthesis of North America. BONAP (Kartesz, 2021)
	
	
	Ophioglossum vulgatum
	
	INCLUDED WITHIN
	
	Flora of North America
	
	Ophioglossum vulgatum
	
	INCLUDED WITHIN
	
 
	The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)
	
	
	Ophioglossum vulgatum
	
 
SYNONYMOUS WITH
	
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 006-02-004:
Ophioglossum vulgatum var. pycnostichum 
 
 
 
FAMILY
Ophioglossaceae
INCLUDED WITHIN
	
 
Ferns of the Southeastern States (Small, 1938)
	
  
	Ophioglossum vulgatum
	
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