Plant Historic List

This list contains plant taxa which have been documented by herbarium voucher specimens to have occurred in Massachusetts in the past, yet have not been documented here in the past 25 years.

Historic list

Scientific Name	MA Checklist Synonym	Common Name	S Rank	New England Rank	G Rank
Amaranthus pumilus		Seabeach Amaranth	SH	FC-4	G2
Anemone virginiana var. alba	Anemone riparia; Anemone virginiana var. riparia	Riverbank Thimbleweed	SH		G5T4T5
Angelica venenosa		Hairy Angelica	SH	4	G5
Callitriche terrestris	Callitriche deflexa var. austinii	Terrestrial Starwort	SH	4	G5
Carex gracilescens		Slender Woodland Sedge	SH	2	G5?
Carex peckii	Carex nigromarginata var. elliptica	Peck's Sedge	SH		G5
Carex vacillans		Swinging Sedge	SH		G5
Carex wiegandii		Wiegand's Prickly Sedge	SH	1	G4G5
Castilleja coccinea		Scarlet Painted Cup	SH	2	G5
Crataegus lumaria		Thorny Hawthorn	SH		G3
Crataegus populnea	Crataegus iracunda var. populnea	Poplar Hawthorn	SH		GNRQ
Cuscuta indecora		Collared Dodder	SH		G5
Cuscuta pentagona		Field-dodder	SH		G5
Desmodium sessilifolium		Sessile-leaved Tick-trefoil	SH		G5
Dichanthelium ovale ssp. villosissimum	Panicum villosissimum	Villous Panic-grass	SH		G5T5
Draba reptans	Tomostima reptans	Carolina Whitlow-grass	SH	2	G5
Echinodorus tenellus	Helanthium tenellum	Little Burhead	SH	1	G5?
Eleocharis equisetoides		Horsetail Spike-rush	SH	2	G4
Eleocharis fallax		Deceitful Spike-rush	SH	2	G4G5
Eleocharis quadrangulata	Scirpus quadrangulatus; Scirpus marginatus; Eleocharis quadrangulata var. crassior	Square-stemmed Spike-rush	SH	2	G5
Elymus virginicus var. glabriflorus	Elymus virginicus var. glabriflorus	Southeastern Wild-Rye	SH		G5
Floerkea proserpinacoides		False Mermaid	SH	2	G5
Galium trifidum ssp. halophilum		Seaside Bedstraw	SH		G5T3T5
Halenia deflexa		Spurred Gentian	SH		G5
Lechea intermedia var. juniperina		Maine Pinweed	SH		G5TU
Linum sulcatum var. sulcatum	Linum sulcatum	Grooved Yellow Flax	SH	2	G5T5
Muhlenbergia capillaris		Hairgrass	SH	2	G5
Onosmodium virginianum	Lithospermum virginianum	False Gromwell	SH	2	G4
Paspalum laeve		Field Bead-grass	SH	2	G5
Platanthera ciliaris	Habenaria ciliaris	Yellow or Orange-fringed Orchis	SH	2	G5
Platanthera obtusata	Habenaria obtusata; Lysiella obtusata	Blunt-leaved Orchis	SH		G5
Polygala senega		Seneca Snakeroot	SH	2	G4G5
Potamogeton alpinus		Northern Pondweed	SH	2	G5
Pseudognaphalium micradenium	Gnaphalium helleri var. micradenium; Pseudognaphalium micradenium	Heller's Everlasting	SH	IND.	G4G5T3?
Puccinellia fasciculata		Bunched Alkali-grass	SH		G3G5
Puccinellia pumila		Northern Alkali-grass	SH	IND.	G5
Ranunculus ambigens		American Spearwort	SH	2	G2
Saururus cernuus		Lizard's Tail	SH	2	G5
Schoenoplectus hallii	Scirpus hallii; Schoenoplectus supinus ssp. hallii; Schoenoplectus hallii; Scirpus supinus var. hallii	Hall's Bulrush	SH	4	G3
Schoenoplectus heterochaetus	Scirpus heterochaetus	Slender Bulrush	SH	IND.	G5
Scutellaria integrifolia		Hyssop Skullcap	SH	2	G5
Selaginella eclipes	Lycopodioides sp. 4	Hidden Spike-moss	SH		G5
Solidago rigida	Solidago rigida	Stiff Goldenrod	SH	2	G5
Sporobolus heterolepis		Northern Dropseed	SH	2	G5
Woodsia glabella		Smooth Woodsia	SH	2(a)	G5

The conservation status of a species is designated by a number (1-5) and preceded by a letter reflecting the appropriate geographic scale of the assessment.  S Rank refers to "subnational" or the local/state status, while G Rank refers to the "global" status (looking at the species as a whole).

Last updated:	February 11, 2025