Howard Alvin Crum

American bryologist (1922-2002).

Howard Alvin Crum (July 14, 1922 – April 30, 2002) was an American botanist dedicated to the study of mosses, and was a renowned expert on the North American bryoflora.

Abbreviations: H.A.Crum
Occupations: writer, scientific collector, bryologist, botanist, botanical collector
Citizenships: United States
Languages: English
Dates: 1922-00-00T00:00:00Z – 2002-04-30T00:00:00Z
Birth place: Mishawaka
Direct attributions: 254 plants, 0 fungi
Authorship mentions: 273 plants, 0 fungi

254 plants attributed, 19 plants contributed to273 plants:

Plagiopus oederianus (Oeder's Apple Moss) (Sw.) H.A.Crum & L.E.Anderson 1981
plant species in the bartramiaceae family
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Wijkia H.A.Crum 1971
plant genus in the pylaisiadelphaceae family
Wijkia is a genus of mosses belonging to the family Pylaisiadelphaceae, with its species found in Southeastern Asia, Africa, Australia and America. This tropical to subtropical genus consists of about 25-30 Old and New World species, and some notable species are: Wijkia albescens H.Crum, 1971 Wijkia alboalaris Manuel, 1981 Wijkia extenuata H. Crum, 1971
Platydictya jungermannioides (Spruce's Leskea) (Brid.) H.A.Crum 1964
plant species in the plagiotheciaceae family
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Callicladium haldaneanum (Beautiful Branch Moss) (Grev.) H.A.Crum 1971
plant species in the callicladiaceae family
Callicladium haldanianum, commonly known as beautiful branch moss, or in horticulture tousled treasure moss, is a species of moss native to North America. It is known for its easy care requirements, vibrant colours, and suitability for terrariums. This slow-growing plant remains small in size and exhibits adaptability to different environments, along with resistance to pests and diseases. During the autumn and winter seasons, Callicladium haldanianum produces reddish orange-brown capsules that develop slight wrinkles when dry.
Wijkia extenuata H.A. Crum 1971
plant species in the pylaisiadelphaceae family
Wijkia extenuata, commonly known as spear moss or spiky wiki, is a species of moss from the family Pylaisiadelphaceae. It can be divided into two varieties Wijkia extenuata var. caudata and Wijkia extenuata var. extenuata. It is commonly found throughout the tropical, subtropical, and temperate forests of eastern Australasia and New Zealand.
Donrichardsia macroneuron (Donrichard Moss) (Grout) H.A.Crum & L.E.Anderson 1979
vulnerable plant species in the brachytheciaceae family
Donrichardsia macroneuron, also known as the South Llano springs moss, is an aquatic moss found in Texas. It is listed as a vulnerable species by the IUCN Red List. The moss is found in a relatively small area, only in the South Llano River, with two general locations being in the counties of Kimble and Edwards.
Callicladium H.A.Crum 1971
plant genus in the callicladiaceae family
Callicladium is a genus of mosses belonging to the family Hypnaceae. It formerly only held one species, Callicladium haldanianum, but now it holds multiple.
Wijkia carlottae (Carlott's Wijkia Moss) (W.B.Schofield) H.A.Crum 1971
plant species in the pylaisiadelphaceae family
Wijkia carlottae, or Carlott's wijkia moss, is a species of moss of the family Pylaisiadelphaceae and genus Wijkia. It is endemic to the Haida Gwaii archipelago in British Columbia, Canada. It occurs in a number of different habitats, but only 10 occurrences are known. It is possibly threatened by logging and it currently classified as vulnerable by NatureServe.
Iwatsukiella leucotricha (Iwatsukiella Moss) (Mitt.) W.R.Buck & H.A.Crum 1978
plant species in the leskeaceae family
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Wijkia tanytricha (Mont.) H.A.Crum 1971
plant species in the pylaisiadelphaceae family
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Wijkia deflexifolia (Mitt. ex Renauld & Cardot) H.A.Crum 1971
plant species in the pylaisiadelphaceae family
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Weissia inoperculata (Weissia Moss) (H.A.Crum) H.A.Crum, Steere & L.E.Anderson 1964
plant species in the pottiaceae family
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Trichostomum portoricense (Trichostomum Moss) H.A.Crum & Steere 1956
plant species in the pottiaceae family
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Splachnum pensylvanicum (Southern Dung Moss) (Brid.) Grout ex H.A.Crum 1966
plant species in the splachnaceae family
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Sphagnum wilfii (Wilf's Sphagnum) H.A.Crum 1984
plant species in the sphagnaceae family
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Sphagnum uruguayense H.A.Crum 2002
plant species in the sphagnaceae family
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Sphagnum trollii H.A.Crum 2002
plant species in the sphagnaceae family
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Sphagnum antioquiense H.A.Crum 1995
critically endangered plant species in the sphagnaceae family
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Roellia roellii (Roell's Moss) (Broth.) A.L.Andrews ex H.A.Crum 1941
plant species in the bryaceae family
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Pseudoleskea julacea (Pseudoleskea Moss) (Besch. & Cardot) H.A.Crum, Steere & L.E.Anderson
plant species in the pseudoleskeaceae family
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Pseudocrossidium obtusulum (Pseudocrossidium Moss) (Lindb.) H.A.Crum & L.E.Anderson 1989
plant species in the pottiaceae family
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Orthothecium diminutivum (Diminutive Orthothecium Moss) (Grout) H.A.Crum, Steere & L.E.Anderson
plant species in the plagiotheciaceae family
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Leptohymenium sharpii (Sharp's Leptohymenium Moss) (H.A.Crum & L.E.Anderson) W.R.Buck & H.A.Crum 1990
plant species in the hylocomiaceae family
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Groutiella wagneriana (Müll.Hal.) H.A.Crum & Steere 1849
plant species in the orthotrichaceae family
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Groutiella mucronifolia (Hook. & Grev.) H.A.Crum & Steere 1827
plant species in the orthotrichaceae family
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Groutiella husnotii (Schimp. ex Besch.) H.A.Crum & Steere 1950
plant species in the orthotrichaceae family
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Groutiella apiculata (Hook.) H.A.Crum & Steere 1950
plant species in the orthotrichaceae family
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Fallaciella H.A.Crum 1991
plant genus in the lembophyllaceae family
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Entosthodon kochii (Koch's Cord Moss) H.A.Crum & L.E.Anderson 1955
plant species in the funariaceae family
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Entosthodon californicus (California Entosthodon Moss) (Sull. & Lesq.) H.A.Crum & L.E.Anderson 1955
plant species in the funariaceae family
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