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Maryland Checklist - Family: Potamogetonaceae - all-time (Total: 21)   

	Photos	Common Name	Genus	Species	Records	Category	Family	Order	Class	Kingdom
1		Robbins's Pondweed	Potamogeton	robbinsii	4	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
2		Flatstem Pondweed	Potamogeton	zosteriformis	2	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
3		Snailseed Pondweed	Potamogeton	bicupulatus	1	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
4		Large-leaved Pondweed	Potamogeton	amplifolius	12	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
5		Small Pondweed (tenuissimus)	Potamogeton	pusillus ssp. tenuissimus	0	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
6		Leafy Pondweed	Potamogeton	foliosus	22	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
7		Small Pondweed	Potamogeton	pusillus	16	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
8		Floating Pondweed	Potamogeton	natans	4	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
9		Claspingleaf Pondweed	Potamogeton	perfoliatus	60	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
10		Curly Pondweed	Potamogeton	crispus	58	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
11		Small Pondweed (pusillus)	Potamogeton	pusillus ssp. pusillus	7	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
12		Spiral Pondweed	Potamogeton	spirillus	12	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
13		Sago Pondweed	Stuckenia	pectinata	14	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
14		Variableleaf Pondweed	Potamogeton	gramineus	2	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
15		Vasey's Pondweed	Potamogeton	vaseyi	1	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
16		Horned Pondweed	Zannichellia	palustris	13	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
17		Ribbon-leaved Pondweed	Potamogeton	epihydrus	32	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
18		Illinois Pondweed	Potamogeton	illinoensis	15	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
19		Waterthread Pondweed	Potamogeton	diversifolius	51	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
20		Long-leaved Pondweed	Potamogeton	nodosus	33	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae
21		Spotted Pondweed	Potamogeton	pulcher	9	Pondweed Family	Potamogetonaceae	Najadales	Magnoliopsida	Plantae