Nebraska Invasive Species

Vascular Plants of Nebraska

Steve Rolfsmeier and Gerry Steinauer
Nebraska Natural Heritage Program and Nebraska Game and Parks Commission

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Species	Common Name	Physiog	CofW	Wetness	Family	Grank	Srank
Impatiens capensis	Orange Jewelweed	A-forb	2	FACW	Balsaminaceae	G5	S5
Impatiens pallida	Yellow Jewelweed	A-forb	2	FACW	Balsaminaceae	G5	S5
Ipomoea hederacea var. hederacea	Ivyleaf Morning-glory	A-vine	4	FACU	Convolvulaceae	G5TNR	SE
Ipomoea hederacea var. integriuscula	Ivyleaf Morning-glory	A-vine	4	FACU	Convolvulaceae	G5TNR	SE
Ipomoea leptophylla	Bush Morning-glory	P-forb	5	UPL	Convolvulaceae	G3G5	S5
Ipomoea pandurata	Wild Sweet Potato	P-vine	3	FAC	Convolvulaceae	G5	S1
Ipomoea purpurea	Common Morning-glory	A-vine	4	FACU	Convolvulaceae	GNR	SE
Ipomopsis congesta var. congesta	Ballhead Ipomopsis	P-forb	5	UPL	Polemoniaceae	G5T5?	S4?
Ipomopsis laxiflora	Small-flower Ipomopsis	A-forb	5	UPL	Polemoniaceae	G5	SE
Ipomopsis longiflora	Showy Ipomopsis	A-forb	5	UPL	Polemoniaceae	G5	S5
Ipomopsis rubra	Scarlet Gilia	B-forb	5	UPL	Polemoniaceae	G4G5	SE
Ipomopsis spicata var. spicata	Spike Gilia	P-forb	5	UPL	Polemoniaceae	G5T4T5	S4?
Iris germanica	German Iris	P-forb	5	UPL	Iridaceae	GNR	SE
Iris missouriensis	Western Blue-flag	P-forb	1	OBL	Iridaceae	G5	S1
Iris pseudacorus	Yellow Water Iris	P-forb	1	OBL	Iridaceae	GNR	SE
Iris versicolor	Northern Blue-flag	P-forb	1	OBL	Iridaceae	G5	SE
Iris virginica var. shrevei	Eastern Blue-flag	P-forb	1	OBL	Iridaceae	G5T5	S3?
Isoetes melanopoda	Quillwort	Fern	1	OBL	Isoetaceae	G5	S1
Iva annua	Annual Marsh-elder	A-forb	3	FAC	Asteraceae	G5	S5
Iva axillaris var. axillaris	Poverty Sumpweed	P-forb	3	FAC	Asteraceae	G5TNR	S2?
Iva axillaris var. robustior	Poverty Sumpweed	P-forb	3	FAC	Asteraceae	G5TNR	S4